String Catalog

String Catalog is an app localization tool that helps iOS and Android teams ship localized app strings, release notes, and store metadata. It integrates with Git workflows to automate translation updates and supports .xcstrings and Android strings.xml.

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At a glance

Pricing

Freemium · Paid

Free tier

Yes

API

Skill level

Technical

About

What is String Catalog?

String Catalog is an AI-powered app localization platform designed for iOS and Android development teams. It streamlines the process of localizing app strings, release notes, and store metadata by integrating directly with existing Git workflows (GitHub, GitLab, Bitbucket). The tool supports native formats like .xcstrings and Android strings.xml, eliminating the need for manual spreadsheet cleanup or one-off scripts. It allows teams to define tone guidance and protect brand terms, ensuring high-quality, context-aware translations. String Catalog also facilitates human review with secure share links and offers features like localization accuracy monitoring and automated translation updates upon code pushes, making it fast enough for release week while maintaining quality.

Best used for

Ideal for developers and product managers who need to localize iOS and Android apps, manage release notes for app stores, and align store listing metadata across locales. Especially valuable for teams seeking to integrate localization seamlessly into their existing Git-based development and release workflows.

Common actions

localize app content

automate translations

manage app store listings

integrate localization workflow

review translations

Capabilities

Key features

Localize .xcstrings
Localize Android strings.xml
Localize App Store release notes
Localize Google Play release notes
Localize App Store metadata
Localize Google Play metadata
Git workflow integration

Target Audience

developerproduct managerstartup founder

Integrations

githubgitlabbitbucket

Pricing & Plans

Freemium · Paid · Starting at USD 15.00

Starting from $15/month. Check stringcatalog.com for detailed pricing.

FAQs

What localization file formats does String Catalog support?

String Catalog primarily supports native iOS .xcstrings files and Android strings.xml files for app string localization. It also handles release notes for both Apple App Store and Google Play, as well as store listing metadata for these platforms.

How does String Catalog integrate with existing development workflows?

The tool integrates with Git-based workflows by connecting to GitHub, GitLab, or Bitbucket repositories. It works with your existing branches and generates reviewable updates, allowing teams to manage localization changes through pull requests and maintain source control.

What are the pricing tiers for String Catalog and what do they include?

String Catalog offers a free language to start. Paid plans include Hobby ($15/month), Pro ($45/month), and Business ($75/month), billed annually. All plans cover up to 40 languages and vary by base string key limits, release note capacity, and review features like human translation QA.

Can I protect specific brand terms from being translated?

Yes, String Catalog allows you to protect specific terms and add tone guidance. This feature ensures that brand names, product names, or other key terminology remain untranslated, helping to maintain brand voice and consistency across all localized versions of your app.

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Also listed in

This tool also appears in

Coding & Development › Mobile Development Productivity & Business › Workflow Automation

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