Ship your app in every language

Number, date, and currency formatting is the localization category most teams treat as solved until it breaks in production. This guide covers correct formatter usage on iOS, Android, and React Native, documents the edge cases that consistently cause bugs — Arabic-Indic numerals, zero-decimal currencies, de-CH vs. de-DE — and provides a concrete testing checklist for every new locale you ship.

Most RTL launch failures aren't caused by engineers who didn't know better — they're caused by assumptions about who was handling which part of the review. This 27-item checklist covers layout mirroring, text rendering, number formatting, string quality, input behavior, and App Store distribution across iOS, Android, and React Native. Use it as a PR gate, a release sign-off template, or a handoff document to a localization QA vendor.

RTL failures cluster in predictable patterns that most test suites never exercise. This post covers six specific failure modes — from mirroring gaps in custom views to bidi rendering breaks in formatted strings — with reproduction steps and concrete fixes for Android, iOS, and React Native. Arabic and Hebrew together represent 400M+ potential users; these bugs are preventable with systematic testing.

Localization bugs ship silently, affect entire markets, and require coordinated fixes across engineering and translation teams. This guide covers a three-layer testing strategy — pseudo-localization, layout testing, and string validation — with platform-specific implementation details for iOS, Android, and React Native.

Adding RTL support to an established mobile app isn't just a technical challenge—it's an organizational one. This guide covers the coordination, planning, and rollout strategies that successful teams use to implement Arabic and Hebrew support without breaking everything.

A comprehensive testing approach for RTL layouts that goes beyond text direction. Includes device-level testing strategies, pseudo-RTL development techniques, and automation for Arabic and Hebrew app localization.

Arabic and Hebrew support breaks mobile apps in unexpected ways across iOS, Android, and React Native. Beyond text direction, RTL languages challenge fundamental layout assumptions that cause constraint failures, incorrect icon mirroring, and navigation flow confusion.

Mobile teams often underestimate the true costs of using ChatGPT directly for localization. Beyond API fees, hidden costs include developer time for fixes, QA overhead, and re-translation cycles that professional platforms eliminate.

Learn the correct approach to AI-powered mobile app translation that preserves file structure and prevents corruption. Includes working validation scripts and safe prompting techniques for strings.xml, .strings, and React Native JSON files.

AI translation tools like ChatGPT and Claude consistently break mobile resource files in predictable ways. Here are the 5 most common failures that destroy strings.xml, .strings, and JSON localization files.