AI Video Translator: Captioner
Captions, subtitles & summary
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Captioner is an AI video translator: it turns a video in a language you don't speak into one you can watch in your own.
Choose a video from your photo library — Captioner transcribes the speech, translates it, and plays the video back with captions in your language, plus an AI summary of what it says.
Any language in, any language out: Thai speech to English captions, English to Burmese, Chinese to Vietnamese — every direction works.
No account. No editing skills. Free translations every day.
HOW IT WORKS
1. Choose a video from your photo library
2. Choose your language — 100+ supported
3. Watch with translated captions, or skim the AI summary first
WHAT YOU GET
• AI subtitles — accurate speech-to-text, automatically timed
• Translation across 100+ languages: Burmese, Thai, Vietnamese, Indonesian, Malay, Tagalog, Khmer, Lao, plus English, Chinese, Hindi, Japanese, Korean, Spanish and 90+ more
• Hardcoded captions? Covered. Captioner reads burned-in captions on screen and shows the translation right under them — the text other video translator apps can't touch
• AI summary — know what a video says before you watch it
• Library — translated videos stay saved on your device for rewatching
WORKS WITH
• Videos saved in your photo library
• Video files shared directly to Captioner from another app
• Only use videos you own or have permission to process
PERFECT FOR
• Watching foreign-language videos with subtitles in your language
• Understanding a video someone sent you, fast — read the summary first
• Translating videos for friends and family who speak another language
• Language learners who want real subtitles on real videos
FREE EVERY DAY
Captioner comes with free daily translations, no sign-up needed. It runs on the same engine as captioner.io, our AI subtitle generator and video translator on the web.
Your videos are processed securely and never shared.
Terms of Service: https://captioner.io/en/terms
Privacy Policy: https://captioner.io/en/privacy
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Botisan AI 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 Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Botisan AI Pte. Ltd.
- Size
- 64.6 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Copyright
- © 2026 Botisan AI Pte. Ltd.