On-Device AI Translator
昌文 李 Reference iPhoneiPadiPod touch
On-Device AI Translator is a free Reference app for iPhone and iPad by 昌文 李. Requires iOS 18.4. Updated October 19, 2026.
- Price
- Free
- on the App Store
- Size
- 104 MB
- Age 4+
- Updated
- Oct 19
- 2026 · v1.2
Screenshots
About On-Device AI Translator
AI Translator keeps the translation model on your iPhone. The text you translate never leaves the device, and it works in airplane mode. Two engines · System Translation: free, no model download. The system downloads a language pack the first time you use a language. · On-device AI models: Tencent Hy-MT2 1.8B / 7B, Google TranslateGemma 4B, Qwen3 and Qwen2.5. Pick one to match your device's memory and the quality you need — once downloaded, everything runs offline. Replace the system translator Make this your default translation app, then select text in any app and tap Translate. This app opens, translates with your chosen local model, and can replace the original text in place or copy it. 20 languages Simplified and Traditional Chinese, English, Japanese, Korean, French, German, Spanish, Italian, Portuguese, Russian, Arabic, Thai, Vietnamese, Indonesian, Turkish, Dutch, Polish, Ukrainian and Hindi. Star the ones you use and they stay at the top of every menu. Privacy No account, no server. Translating with an AI model makes no network requests at all — the only time the app goes online is to download a model. Purchases · Lifetime: a one-time purchase that unlocks Hy-MT2 1.8B and the Qwen models, including inside the system translate sheet. · Pro: everything in Lifetime plus the large models, TranslateGemma 4B and Hy-MT2 7B, billed monthly or yearly. A free 3-day trial is available. Customers who bought the app when it was paid get Lifetime automatically. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Payment is charged to your Apple Account and can be managed in your App Store account settings.
What’s new
Version 1.2 · Updated October 19, 2026
• Adds two-way voice conversations and continuous listening. • View originals and translations in split view, and save transcripts and recordings on your device. • Improves offline model downloads, language switching, and text display. • Improves continuous transcription, punctuation, translation, and timer reliability.
App privacy
The developer, 昌文 李, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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