Launching your iOS app in different countries can be a game-changer, but it's not as simple as just translating the text. To truly connect with users in different regions, your app needs to feel local—like it was built with them in mind. That’s where app localization companies come in. These experts help adapt your app's language, content, and overall experience for new markets. In this article, we’ll dive into some of the top iOS app localization companies that can help you reach global audiences smoothly and effectively.
1. Mobian
Mobian is a mobile app development company that specializes in creating custom applications for industries like medtech and fintech. With a focus on user experience and interface design, Mobian’s team of developers builds intuitive mobile solutions tailored to meet the specific needs of businesses. Their expertise includes designing healthcare applications and Clinical Trial Management Systems (CTMS) with a strong emphasis on data security, regulatory compliance, and seamless system integration. Mobian’s solutions help organizations improve operational efficiency and enhance customer engagement through flexible, reliable, and innovative software.
Key Highlights
- Specializes in medtech and fintech mobile app development
- Offers custom Clinical Trial Management Systems (CTMS)
- Prioritizes data security and regulatory compliance
- Experienced in Android and iOS app development
- Utilizes advanced analytics tools like Google Analytics, Crashlytics, and New Relic
Services
- Mobile app development for Android and iOS
- Custom Clinical Trial Management Systems (CTMS)
- Healthcare application development
- UX/UI design
- Data analytics and reporting integration
Contact Information
2. NERDZ LAB
NERDZ LAB is a software product design and development company based in Lviv, Ukraine, and Tallinn, Estonia. The company offers a range of services tailored to both startups and established businesses. With a focus on full-cycle software development, NERDZ LAB provides mobile and web application development, product design, and digital transformation services. For startups, NERDZ LAB offers MVP (Minimum Viable Product) development, allowing companies to bring their ideas to market efficiently. For growing businesses, the company provides team extension, IT staff augmentation, and digital transformation services.
Key Highlights
- Full-cycle product development services for startups and established businesses
- Expertise in mobile and web application development
- Offers design, development, and ongoing product support
- Based in Ukraine and Estonia
Services
- Product design (UX/UI, brand identity, design testing)
- Mobile app development (iOS, Android, custom applications)
- Web development (full-stack, server-side, custom web applications)
- Team extension and IT staff augmentation
- Digital transformation
Contact and Social Media Information
- Website: nerdzlab.com
- Address: Viacheslava Chornovola Ave, 57a, Lviv, Ukraine
- Email: supernerd@nerdzlab.com
- Phone number: +380 (50) 298 57 79
- LinkedIn: linkedin.com/company/nerdzlab
- Twitter: twitter.com/nerdz_lab
- Facebook: facebook.com/nerdzlab
3. Crowdin
Crowdin is a platform specializing in localization and translation management for mobile applications. It enables companies to streamline the process of adapting their apps for various languages and regions. Crowdin integrates with development workflows to automate the localization of content, facilitating continuous updates and ensuring that translations are consistently up-to-date.
The platform supports a range of features for both small-scale projects and large enterprises. Its tools include automated updates of source content, integration with version control systems, and the ability to synchronize translations with app store listings. Crowdin also offers a software development kit (SDK) for Android and iOS apps, allowing for real-time delivery of translations without needing to update the app through traditional app stores.
Key Highlights
- Continuous localization and integration into development workflows
- Automated updates of source content and translations
- Real-time preview of translations within the app
- SDK for seamless integration with Android and iOS applications
- Support for store listing localization and app store optimization (ASO)
Services
- Mobile app localization and translation
- Continuous integration with version control systems (e.g., GitHub, GitLab)
- Real-time translation preview and in-context translation tools
- Localization for app store listings
- Language services provided by Crowdin’s team
Contact and Social Media Information
- Website: crowdin.com
- LinkedIn: linkedin.com/company/crowdin
- Twitter: twitter.com/crowdin
- YouTube: youtube.com/@crowdin-localization
- Facebook: facebook.com/crowdin
4. Gengo
Gengo provides app localization services designed to help companies adapt their mobile applications for different languages and markets. The company's approach involves translating and localizing app content to suit foreign language users while maintaining the original intent and functionality of the application. Gengo’s services aim to enhance the global visibility of apps and increase their downloads by making them more accessible to international audiences.
Their services include a translation management system that facilitates the localization process, and a translation API that allows for seamless integration into app development workflows. The company’s pricing structure includes different levels of translation quality to meet varying business needs.
Key Highlights
- Utilizes a network of over 21,000 translators
- Offers translation management system (TMS) for project oversight
- Provides a translation API for direct integration
- Fast turnaround times with translations available in hours
- Pricing options include standard and advanced quality levels
Services
- App localization
- Website localization
- Professional human translation
- Translation management system
- Translation API
Contact and Social Media Information
- Website: gengo.com
- LinkedIn: linkedin.com/company/gengo
- YouTube: youtube.com/user/gengo
- Facebook: facebook.com/mygengo
5. MK
MK is a translation and localization services company based in Kyiv, Ukraine. The company specializes in providing linguistic support for various industries, offering services like app localization, website translations, and content adaptation for global markets. With over 8 years of experience, MK serves a wide range of sectors, assisting clients in overcoming language barriers and entering international markets. The company emphasizes tailored solutions for localization, focusing on the cultural and linguistic needs of target audiences. MK handles projects in 80+ languages, ensuring that each translation is performed by native speakers familiar with the relevant market.
Key Highlights
- Over 8 years of experience
- More than 500 professional translators
- Localized content in over 80 languages
- Continuous localization services for dynamic projects
- Customized services based on project needs
Services
- iOS and Android app localization
- Website and software localization
- Technical translation
- Blockchain translation services
- Localization for the gambling sector
- Linguistic testing
Contact and Social Media Information
- Website: mk-translations.ua
- Address: Bohdan Khmelnytsky Street, 52, 7th floor, Kyiv, Ukraine
- Email: hi@mk-translations.ua
- Phone number: +38 (044) 299 46 57
- LinkedIn: linkedin.com/company/mk-translations
6. OneSky
OneSky provides a platform for app localization and translation services. The company specializes in offering access to a network of over 1,000 professional translators who are experienced in localizing mobile apps and games. Their platform supports integration with major app stores like the Apple App Store and Google Play, allowing users to translate app descriptions with ease. OneSky also supports a variety of technical file formats commonly used in app development, ensuring compatibility across different platforms.
The company’s services include on-device testing to address potential UI issues and tailored project management for larger localization projects. This ensures that app translations are accurate and maintain a high-quality user experience across different languages.
Key Highlights
- Access to over 1,000 professional translators
- Support for over 50 languages
- Integration with Apple App Store and Google Play
- On-device testing to prevent UI issues
- Support for 19 technical file formats
Services
- Mobile app localization
- Game localization
- Technical file format support
- On-device testing
- Project management support
Contact and Social Media Information
- Website: oneskyapp.com
- Email: hello@oneskyapp.com
- LinkedIn: linkedin.com/company/onesky-inc-
- Twitter: twitter.com/oneskyapp
- Facebook: facebook.com/onesky.io
7. Phrase
Phrase is a provider of localization solutions designed to automate, manage, and translate content. The company's platform integrates AI-driven tools to support the translation needs of organizations across various industries. It focuses on streamlining the localization process through a suite of products that address different aspects of content translation and management.
The Phrase Localization Platform is central to its offering, providing a cloud-based solution for translating and integrating content quickly and accurately. The platform includes tools for customizing machine translation engines, automating workflows, and analyzing localization performance. Phrase also supports a wide range of integrations with existing systems, enhancing its adaptability for different business needs.
Key Highlights
- AI-powered translation and localization tools
- Customizable machine translation engines
- Workflow automation with drag-and-drop editor
- Analytics and reporting capabilities
- Broad range of integrations with existing systems
Services
- Phrase TMS: Translation management system for automating and managing translation projects
- Phrase Custom AI: Customizable machine translation engines tailored to company terminology and style
- Phrase Orchestrator: Workflow automation tool with drag-and-drop functionality
- Phrase Strings: Localization of web and mobile applications, websites, and video games
- Phrase Language AI: Machine translation add-on for efficient translation
- Phrase Analytics: Customizable analytics dashboards for localization data
- Phrase Portal: Direct access to machine translation and AI capabilities
- Phrase Quality Technologies: Tools for quality assessment in localization
Contact and Social Media Information
- Website: phrase.com
- LinkedIn: linkedin.com/company/phraseplatform
- Twitter: x.com/PhrasePlatform
- YouTube: youtube.com/@phraseplatform
- Facebook: facebook.com/PhrasePlatform
8. Apple Inc.
Apple Inc. is a global technology company renowned for its innovation across hardware, software, and digital services. The company offers a comprehensive ecosystem for developers to build, distribute, and monetize apps through the App Store. Apple's developer resources include tools like Xcode and Swift, designed to help developers create apps for iOS, macOS, and other Apple platforms. With a focus on localization and global reach, Apple supports developers in expanding their apps to a worldwide audience by providing resources to adapt apps for multiple languages and cultural contexts.
Localization plays a crucial role in Apple's strategy, making apps accessible to a broader market. The company provides developers with tools to internationalize their apps, ensuring seamless user experiences across different regions and languages. Apple’s services also include features to assist with localized content, payment methods, and market-specific adjustments, all aimed at enhancing app discoverability and usability in various markets.
Key Highlights
- Tools like Xcode and Swift for app development
- Global distribution through the App Store in 175 regions and 40 languages
- Support for internationalization and localization of apps
- Resources for developers to adapt apps to cultural and market-specific needs
Services
- App Store distribution and marketing tools
- App localization and internationalization support
- Payment processing in multiple regions and currencies
- Search Ads for promoting apps within the App Store
Contact and Social Media
- Website: developer.apple.com
- Twitter: twitter.com/Apple
- LinkedIn: linkedin.com/company/apple
9. ironSource
ironSource is a technology company specializing in app monetization, user growth, and engagement solutions. It provides mobile app developers with tools to maximize the potential of their apps by offering various services such as mediation platforms, user acquisition optimization, and in-app advertising. The company’s primary focus is helping developers generate revenue from their apps while enhancing the overall user experience through localized content and personalized engagement tools.
With a global reach, ironSource connects developers with millions of users across multiple countries, providing tailored services to suit different regional markets. Its Aura platform works with mobile operators to localize device experiences by offering country-specific apps and interfaces, which supports over 80 languages. The company also offers detailed analytics, allowing developers to track user behavior, optimize app performance, and increase engagement.
Key Highlights
- Specializes in app monetization, user growth, and engagement.
- Offers localization services for apps, marketing, and user interfaces.
- Supports over 80 languages and operates across 45+ countries.
- Provides real-time analytics and user engagement tools.
- Solutions for both app developers and mobile operators.
Services
- Monetization platforms (LevelPlay, Tapjoy, Offerwall)
- User growth tools (automated user acquisition optimizers, cross-promotion)
- Analytics and real-time pivot reports
- Localization services via Aura
- Game publishing services
Contact and Social Media Information
- Website: is.com
- Address: 121 Menachem Begin Road, Tel Aviv-Yafo, Israel
- Email: contact@ironsource.com
- Phone number: +972-3-611-6100
- LinkedIn: linkedin.com/company/ironsource
- Twitter: twitter.com/ironsource
- YouTube: youtube.com/channel/UCVB1Ajv11AfjIEnm2xi7t-w
- Facebook: facebook.com/ironSource
10. TextUnited
TextUnited is an automated language platform designed for companies that need efficient and scalable translation solutions. The platform leverages artificial intelligence to provide automated translations, complemented by human expertise to ensure high-quality outcomes. It supports various file formats and integrates with numerous Content Management Systems, offering both self-service and managed translation options. The company focuses on providing tailored translations that meet specific business needs while ensuring robust linguistic quality and data security.
Key Highlights
- AI-powered translation technology combined with human linguists.
- Integration with over 30 file types and various Content Management Systems.
- Continuous improvement of translation quality through built-in translation memories and machine learning models.
Services
- Automated Translation
- Human Translation Services
- Content Automation
- API Integrations
- Multilingual Customer Experience
Contact and Social Media Information
- Website: textunited.com
- Address: Attemsgasse 7/D/20, 1220 Vienna, Austria
- Email: info@textunited.com
- LinkedIn: linkedin.com/company/textunited
- Twitter: twitter.com/TextUnited
11. POEditor
POEditor is a translation and localization management platform designed to support the efficient handling of multilingual content. It offers tools for collaborative translation, including a real-time editor and automated quality assurance checks. The platform is used by a wide range of clients, helping them manage translation projects across multiple languages. It integrates with various Git hosting services and communication platforms to facilitate smooth workflow management and automation.
The platform supports numerous file formats and includes features for translating, recovering, and managing strings. POEditor aims to streamline the localization process with its API, integrations, and automation options, making it easier for teams to handle complex translation tasks.
Key Highlights
- Supports over 270 languages
- Real-time online translation editor
- Integration with Git hosting services (e.g., GitHub, Bitbucket, GitLab, Azure Repos)
- Slack and Microsoft Teams integration
- Multiple file format support
- REST API for workflow automation
Services
- Translation management
- Glossary and automated quality assurance checks
- Collaborative translation tools
- Translation memory and string recovery
- Integration with code repositories and communication platforms
- Automation of recurring tasks
Contact and Social Media Information
- Website: poeditor.com
- Address: 1004 Sandstone Drive, Jeffersonville, IN 47130, United States
- Email: info@poeditor.com
- LinkedIn: linkedin.com/company/poeditor
- Twitter: twitter.com/poeditor
- Facebook: facebook.com/poeditor
12. Babble-on
Babble-on is a San Francisco-based localization service specializing in iOS app translation. The company focuses on streamlining the localization process for developers, ensuring that apps are translated effectively and integrated into Apple's various platforms, including iOS, macOS, tvOS, and watchOS. Babble-on allows developers to localize their apps into all App Store languages and offers continuous localization services, where updates and new texts are translated as they come in. They aim to provide a flexible, customizable approach to localization, syncing with back-end platforms or working directly with translation files from Xcode.
One of Babble-on’s key offerings is their "pay-for-what’s-new" pricing structure, meaning developers only pay for new or changed texts, reducing costs for apps that share assets across platforms like iPhone, iPad, and Mac. Babble-on's translators localize apps into their native languages to ensure the content feels natural to international users. With no setup fees, contracts, or hidden charges, Babble-on provides an accessible option for developers seeking efficient app localization.
Key Highlights
- Specialized in iOS app localization for iPhone, iPad, Mac, tvOS, and watchOS.
- Continuous localization process that updates and pushes translations as new content is available.
- "Pay-for-what’s-new" pricing model to avoid paying for repeated translations.
- Personalized localization strategies and advice for international app success.
- Over 17 years of experience in app translation.
Services
- iOS app localization
- Mac app localization
- Game localization services
- Website localization services
- Continuous localization support
- Translation memory and glossary management
Contact and Social Media Information
- Website: www.ibabbleon.com
- Address: San Francisco, California
- Email: localize@ibabbleon.com
- Phone number: +1 415 702 0096
- LinkedIn: linkedin.com/in/babbleon
- Twitter: twitter.com/BabbleonTrans
13. Lokalise
Lokalise is a platform designed to streamline the localization and translation of digital content, including mobile apps and websites. It offers a collaborative environment where teams can manage and automate translation workflows, ensuring that content is accurately and efficiently adapted for different languages. The platform integrates with various development tools, allowing for seamless updates and version control without manual file uploads. The platform is tailored to different roles in the localization process, such as developers, product managers, and translators, each of whom can benefit from its specific functionalities.
Key Highlights
- Collaborative translation management
- Automation of localization workflows
- Integration with development tools and design platforms
- Real-time support translation
- Quality assurance features including spellcheck and glossaries
Services
- AI translation
- Localization workflow management
- In-context editing
- Translation services
- Translation quality assurance
- Real-time support translation
- Automation of translation processes
Contact and Social Media Information
- Website: lokalise.com
- Email: support@lokalise.com
- LinkedIn: linkedin.com/company/lokalise
- Twitter: twitter.com/lokalise
- YouTube: youtube.com/channel/UCeMlHsaatSTxv6qbdgSvCng
- Facebook: facebook.com/lokalise
14. Smartling
Smartling offers a translation management platform designed to streamline the process of app localization. Their software addresses challenges in mobile and web app translation by providing tools that centralize and simplify content management across various platforms and devices. Smartling’s solution aims to enhance the user experience by allowing businesses to manage translations efficiently and reduce bottlenecks in the localization process.
The platform supports various methods of integration, including web proxies, native integrations, and API endpoints. It features tools for visual context, fast content launch, and detailed analytics, which help users manage translation projects effectively. Smartling’s service is used by organizations to maintain consistency in translations and to optimize their localization strategies.
Key Highlights
- Web Proxy: Allows for fast translation of web apps with minimal developer involvement.
- Integrations: Connects with existing tech stacks for streamlined translation management.
- API Endpoints: Provides custom functionality for diverse translation needs.
- Visual Context: Enables preview of translations in-app to reduce errors.
- Analytics and Optimization: Offers insights and quality metrics to improve translation efficiency and effectiveness.
Services
- App Localization: Centralizes and manages translation across various platforms.
- Translation Management System: Facilitates smooth integration and management of translation projects.
- Full-Service Translation: Provides access to professional translators and translation technology.
- Analytics Tools: Tracks and reports on translation quality, costs, and project progress.
Contact and Social Media Information
- Website: smartling.com
- Address: 28 W 44th St, New York, NY 10036, USA
- Email: info@smartling.com
- Phone number: +1 844-665-4242
- LinkedIn: linkedin.com/company/smartling
- Twitter: twitter.com/smartling
- YouTube: youtube.com/SmartlingInc
- Facebook: facebook.com/smartlinginc
15. Transifex
Transifex provides a platform designed to support translation and localization processes for businesses. The platform aims to simplify and streamline the management of translation workflows by integrating content from various sources into a centralized hub. Users can automate tasks, manage content, and collaborate with teams more efficiently through the platform.
Transifex offers a suite of tools that leverage AI to deliver context-aware translations. The platform is designed to handle various localization needs, allowing for scalable and adaptive content management. This setup helps businesses ensure that their translated content remains consistent and on-brand while speeding up the overall process.
Key Highlights
- Centralized platform for managing localization processes
- AI-powered translation for context-aware results
- Automation of workflow and task management
- Integration with multiple content sources
- Tools for both manual and advanced translation workflows
Services
- Transifex AI
- Transifex Live
- Transifex Native
- Continuous Localization
- Workflow Management
- Advanced CAT Solutions
Contact and Social Media Information
- Website: transifex.com
- Address: 333 W 52nd St, New York, NY 10019, USA
- Email: info@transifex.com
- Phone number: +1 (646) 862-8841
- LinkedIn: linkedin.com/company/transifex
- Twitter: twitter.com/transifex
- YouTube: youtube.com/c/Transifex
- Facebook: facebook.com/transifex
16. Wordbee
Wordbee provides a translation management system designed to support localization teams with a range of tools for managing translation projects. Their primary product, Wordbee Translator, is an end-to-end system that facilitates various aspects of the translation process, including project management, translation, and quality assurance. The platform also offers automation features for tasks such as quoting and invoicing, which can streamline workflow and reduce administrative overhead.
Additionally, Wordbee offers solutions like the Beebox, a middleware that integrates content management systems (CMS) with their translation management system to enable live previews and in-context translations. The Wordbee Flex API is another key feature, allowing for dynamic localization by integrating with various content sources such as CMS systems and databases. Wordbee supports multiple versions of the TermBase eXchange (TBX) framework for structured term data exchange.
Key Highlights
- End-to-end translation management system
- Automation of quoting and invoicing
- Middleware integration with CMS systems
- Dynamic localization via Flex API
- Support for TermBase eXchange (TBX) framework
Services
- Translation management
- Project management
- Quality assurance
- Automation of administrative tasks
- Integration with content management systems
Contact and Social Media Information
- Website: wordbee.com
- LinkedIn: linkedin.com/company/wordbee
- Twitter: twitter.com/Wordbee
- Facebook: facebook.com/Wordbee
17. Ulatus
Ulatus is a global translation and localization service provider with a focus on helping businesses and organizations expand their reach across multiple languages and markets. The company offers a wide range of services, including app localization, website translation, and document translation, designed to meet the needs of various industries, from life sciences to eLearning. Ulatus uses advanced tools like a Translation Management System (TMS) to streamline the localization process, ensuring high-quality translations delivered efficiently.
With a presence in over 125 countries, Ulatus provides translation services in more than 200 languages. Their offerings include app store optimization, on-device testing, and pseudolocalization to support app developers aiming for global distribution. Ulatus also offers 24/7 customer support, ensuring that clients receive ongoing assistance throughout the localization process.
Key Highlights
- ISO 9001:2015 and ISO/IEC 27001:2013 certified
- Translates in over 200 languages
- 24/7 customer support
- Expertise across multiple industries
- Uses advanced Translation Management System (TMS)
Services
- App Localization Services
- Website Localization Services
- Document Translation Services
- Audio/Video Localization Services
- Medical Translation Services
- Software Localization Services
- Game Localization Services
- Financial Translation Services
- Academic Translation Services
Contact and Social Media Information
- Phone: +1-980-294-0831
- Email: business@ulatus.com
- Address: 3525 Quakerbridge Road Suite 6600 Hamilton, NJ, 08619-1205
- Website: www.ulatus.com
- LinkedIn: linkedin.com/company/ulatus
- Twitter: twitter.com/ulatus
- YouTube: youtube.com/channel/UCo9NYNCmSeJu5RqBg5GSyng
- Facebook: facebook.com/UlatusCrimson
18. Innowise
Innowise is a software development company specializing in iOS app development. With a focus on creating tailored mobile solutions for a variety of Apple devices, including iPhones, iPads, Apple Watches, and Apple TVs, Innowise provides comprehensive services that cover the entire app development lifecycle. The company emphasizes user-centric design, robust functionality, and integration of advanced features to enhance user experience and business performance.
Key Highlights
- Custom iOS Development: Expertise in developing bespoke iOS applications for various Apple devices.
- Cross-Platform Development: Utilizes frameworks like React Native, Flutter, and Xamarin to create apps compatible with both iOS and Android.
- Quality Assurance: Rigorous testing to ensure app performance and security in real-world conditions.
- Industry-Specific Solutions: Offers tailored solutions for industries such as finance, healthcare, education, and e-commerce.
- Technology Stack: Proficient in Swift, Objective-C, Xcode, and other key iOS development tools.
Services
- iOS Application Design: Creation of user-friendly and engaging app interfaces.
- Custom iOS App Development: Development of apps for various Apple devices.
- Cross-Platform App Development: Building apps that operate on both iOS and Android platforms.
- Quality Assurance and Testing: Comprehensive testing to ensure optimal app functionality.
- IT Consulting: Strategic advice to enhance the performance and user experience of iOS apps.
- Turnkey Product Development: End-to-end development of custom iOS solutions.
- Development Outsourcing: Provision of a dedicated team for project management and execution.
- Staff Augmentation: Offering skilled developers to support existing teams.
Contact Information
- Phone number: +1 917 267 7727
- Website: innowise-group.com
- LinkedIn: linkedin.com/company/innowise-group
- Twitter: x.com/innowisegroup?s=21&t=2PSlehF0Z4zQ7OPZVthOkw
- YouTube: youtube.com/channel/UCdyIE00LjN4ar2AC9jUEWzw
In today's global market, localizing your iOS app is more than just a nice-to-have; it's a necessity if you want to reach and engage users from different cultures and languages. From improving user experience to increasing market reach, the benefits of app localization are clear.
As we've explored, choosing the right localization company can make all the difference. Each of the companies we've discussed offers unique strengths and services, catering to various needs, whether you're looking for comprehensive localization solutions, expert translation, or specialized support for different regions.
When selecting a localization partner, consider factors like their experience with iOS apps, the quality of their translation services, and their ability to understand and adapt to your specific market needs. It's also important to think about your budget and timeline, ensuring that the company you choose aligns with your project's requirements.
In the end, investing in professional localization services is an investment in your app's success across diverse markets. By making your app accessible and appealing to a global audience, you'll be setting the stage for broader user adoption and greater overall impact.
Vadym Pochernin
Andrii Bolharyn
Anna Karaulova
Artem Kolos
Eugene Davydenko
Ihor Sushynskyi