String Catalog
AI-powered app localization platform automating translation for iOS & Android apps.
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- AI-powered app localization platform automating translation for iOS & Android apps
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- Paid · From $15 / month
Overview
String Catalog is an AI-powered app localization platform that automates iOS & Android localization. It integrates with GitHub, translates apps into 40+ languages, and streamlines the localization workflow with features like automatic pull requests and AI-powered accuracy checks.
Access & connections
Where you can use String Catalog, and what it plugs into.
Integrations
Capabilities
What this tool accepts, produces, and is strongest at.
Highlights
- AI-Powered Translation
- GitHub Integration
- Automated Pull Requests
- Contextual Guidance
- Support for 40+ Languages
- Collaborative Workflow
- Real-Time Localization
- AI-Powered Accuracy Checks
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- Custom Translation Preferences
FAQ 12
What is String Catalog?
String Catalog is an AI-powered app localization platform that automates iOS & Android localization. It integrates with GitHub, translates apps into 40+ languages, and streamlines the localization workflow with features like automatic pull requests and AI-powered accuracy checks.
How to use String Catalog?
Connect your GitHub repository to String Catalog, and the platform will automatically detect new strings, translate them into your chosen languages, and create pull requests for you to review and merge.
What is String Catalog?
String Catalog is a developer-focused service that simplifies localization and management of app strings in Xcode and Android. It supports key file formats like .xcloc, .xliff, .xcstring, and Android XML, streamlining localization and App Store Connect release notes management. Learn more in our Xcode localization guide.
How does String Catalog keep my localizations up to date when I update my app?
Our Auto Sync feature, when enabled, automatically runs each time you push code to your GitHub repository. It detects new or changed strings, updates translations accordingly, and removes obsolete ones—keeping your localizations always in sync without any manual steps.
How does String Catalog enhance my localization workflow?
String Catalog automates translation and localization updates by connecting to your GitHub repository and generating pull requests with localized strings. This streamlines review and integration, improving accuracy and accelerating your release cycle.
Can I customize the tone or style of my localizations?
Yes. Developers can customize the localization tone and style to better match their brand voice. You can also provide custom prompts to guide the AI translation engine for improved accuracy and relevancy.
What does it cost to localize my app with String Catalog?
We offer flexible subscription plans starting at $15/month, designed to suit projects of all sizes—from indie apps to enterprise-level solutions.
Are there limits on the number of strings or characters I can submit?
Yes. The Hobby Plan supports up to 3,000 base strings, Growth up to 7,500, and Pro up to 15,000 strings per month. Each string can contain up to 400 characters to ensure full coverage of your app’s text.
What is the difference between translation and localization?
Translation converts text from one language to another, while localization adapts content to cultural, regional, and contextual nuances. String Catalog focuses on localization to make your app more relevant and engaging in each market.
Which languages does String Catalog support?
We support a wide range of languages—including English, Spanish, Chinese, and many more—covering major global languages as well as regional ones to help you reach diverse audiences.
Why was String Catalog created?
String Catalog was built to solve the complexities developers face managing and localizing app strings, making localization faster, easier, and more reliable on Apple platforms and Android.
How do I get started with String Catalog?
Create an account, connect your GitHub repository, select your target languages, and submit your localization files. String Catalog will handle translations and open a pull request in GitHub for you to review and merge.
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From $15 / month