Offline Translator - Sayyi
Instant translation, no WiFi
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Instant translation with no internet: computed on your iPhone, 17 languages, both ways — even for videos. Free, no account, nothing uploaded.
Instant translation, offline: no internet, computed on your iPhone, between 17 languages. Hear it, read it — in your language. Sayyi turns speech into live captions and translates them as people talk, right on your iPhone. No internet, no account, nothing uploaded.
• Listens in English, Mandarin, Cantonese, Japanese, Korean, German, French, Spanish, Italian and Portuguese
• Translates into 17 languages, including Russian, Arabic, Thai, Vietnamese, Indonesian and Turkish
• Works in Airplane Mode once a language is downloaded — abroad, on a plane, underground
• One tap swaps the direction, so you can answer back
• A translation model built into the app for more natural sentences
• Caption what your iPhone is playing: videos, podcasts, calls
• Save any session as subtitles (SRT), text, a spreadsheet or the recording
• Everything stays on your phone. You decide how long to keep it.
For travel, meetings, lectures, videos, and conversations in a language you don't fully follow.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Layer is now Sayyi — same app, new name.
• New screenshots and a clearer store page.
• Fixes and small improvements.
The developer, SERENE TECHNOLOGIES PTE.LTD., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- SERENE TECHNOLOGIES PTE.LTD.
- Size
- 1.2 GB
- Category
- Reference
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
English and 9 more
- English, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Serene technologies Pte. Ltd.
