Fully Offline · Privacy First

Translate Live. Offline.

Bilingual simultaneous translation — Chinese ↔ English. Runs entirely on your iPhone. No internet. No data upload.

NoNetPlay

Truly Offline

Download once, use forever. Works in airplane mode.

Voice Stays on Device

All recognition & translation on-device. No servers, no stored recordings.

Real-Time as You Speak

Translation streams sentence by sentence with voice output — no waiting.

Translation
Core Feature

Simultaneous Translation

Speak Chinese to get English, speak English to get Chinese — automatic language detection. Translation streams with real-time voice output.

AI Tools

AI Chat

Built-in offline AI chat assistant for free-form conversations. Switch between different AI options mid-conversation. Real-time word-by-word output.

Privacy Protection

All AI runs on-device — no data uploaded to any server. No account, no login — just open and use.

Screenshots

Splash
Home
Prep
Models
Settings
Translation

Pricing

  • 7-day free trial
  • One-time purchase, no subscription
  • AI Chat free after download

Requirements

  • iPhone 15 Pro or newer
  • iOS 18.0+
  • ~2.5 GB storage

Frequently Asked Questions

You need internet only once to download the AI (~2.5 GB). After that, everything works fully offline — even in airplane mode.

Translation requires ~2.5 GB. AI Chat models need an additional 2.5–3.5 GB depending on your choice.

Currently supports Chinese ↔ English bidirectional translation.

No. Audio is discarded immediately after recognition — nothing is saved or uploaded.

Yes, completely free after downloading the AI. No usage limits.

Ready to Translate Offline?

Download NoNetPlay and start translating without internet.