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App Store localization guides

What we've learned building a localization app and shipping our own: limits, keywords, languages and tools, checked against Apple's documentation.
  1. App Store localization: a practical guide for indie developers

    App Store localization covers your name, subtitle, keywords, screenshots and more in up to 50 languages. What to localize, in what order, and what to avoid.

    10 min read

  2. App Store character limits: every field in one table

    App Store character limits for every field: name and subtitle 30, keywords 100, promotional text 170, description and What's New 4,000. Checked against Apple.

    11 min read

  3. App Store Connect languages: all 50, with locale codes

    App Store Connect languages: all 50 metadata localizations with API locale codes (en-US, zh-Hans, pt-BR), the 11 added in 2026, and where each shows.

    9 min read

  4. App Store keyword localization: 100 characters per locale

    App Store keyword localization gives every locale its own 100-character field, and some storefronts index several locales. Apple's table, rules and an example.

    10 min read

  5. Game Center localization: achievements, leaderboards and images

    Game Center localization means a title, two descriptions and a 1024×1024 image per achievement per language, plus leaderboard names and score suffixes.

    11 min read

  6. How to translate your App Store description: tools compared

    The best way to translate App Store description copy: an LLM briefed on your app, a tool-based length check, then a native speaker on your top markets.

    13 min read

  7. Which languages to localize your app into first (2026)

    Which languages to localize your app into first: a framework built on App Store spending by country, English reach and cost, plus a 5/10/long-tail plan.

    12 min read

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