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Notes on App Localization

Practical guides on Xcode String Catalogs, App Store metadata, and shipping multilingual iOS and macOS apps.

May 14, 2026 · 11 min read

GPT vs Claude vs Gemini vs DeepSeek for App Localization

I tested GPT-4o, Claude Sonnet, Gemini 2.5 Pro, and DeepSeek on the same app string catalog across 8 languages.
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May 7, 2026 · 14 min read

How to Localize an iOS App with Xcode String Catalogs

Set up Xcode String Catalogs, add languages, translate .xcstrings with AI, review the result, and ship a localized iOS app.
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April 30, 2026 · 12 min read

Translating App Store Connect Metadata

Translate App Store name, subtitle, keywords, description, and What's New across locales with limits, ASO notes, and a practical workflow.
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