AutoSub - Video Translator
AI Video Subtitles & Captions
Free · In‑App Purchases
Transcribe video fast, translate subtitles offline, or use AI Translate for high accuracy. Export 4K videos with burned-in captions. Full on-device privacy. 50+ languages
AutoSub is a professional subtitle and video translation studio for iPhone and iPad. Six transcription modes, 50+ languages, AI-powered translation, and full offline privacy — all on-device. Built for content creators, educators, filmmakers, and video editors.
Transcription
• 6 transcription modes, all processed on-device
• Fast: quick speech-to-text, 10 languages
• Accurate: 3 model variants (Standard, Balanced, Max) supporting 50 languages with high-quality transcription
• Fusion: 2 model variants — English & European (25 languages, ultra-fast) and Multilingual (30+ languages including Chinese, Japanese, Korean, Arabic, and Hindi)
Translation
• Apple Translate: fully offline, 17 languages
• Google Translate: fully offline, 50+ languages
• AI Translate: context-aware cloud translation using advanced AI models like Gemini and GPT — handles slang, idioms, and natural phrasing
• AI Enhance: improve existing translations at lower cost without retranslating from scratch
• Switch between AI models in Settings
Subtitles & Editing
• View all subtitle lines in one clean place
• Edit both original transcript and translated text per segment
• Copy individual subtitle lines
• Subtitle sync adjustment (fine-tune timing from -5 to +5 seconds)
• Dual subtitle display (show original and translation together)
• Import existing SRT files
Video OCR
• Draw a rectangle on the video to select on-screen text
• Translate signs, captions, graphics, and any visual text instantly
Export
• SRT file export (original or translated)
• Video export with burned-in subtitles and captions, up to 4K at 24/30/60fps
• Customizable subtitle styling: font, size, weight, color, position, shadow, and background
Offline & Private
• All transcription and offline translation run entirely on-device
• Your video and audio never leave your iPhone or iPad
Pro Subscription
• Unlocks unlimited transcription, AI Translate, AI Enhance, Accurate and Fusion modes, offline language downloads, SRT exports, 4K video exports, and all advanced features
Payment charged to your Apple ID account
Auto-renews unless canceled 24 hours before renewal
Manage in App Store account settings
Privacy Policy https://basels.tech/privacy-policy-autosub-ai/
Terms of Use https://basels.tech/terms-of-use-autosub-ai/
- General Fixes and Performance Improvements
- Redesigned Home Screen
- AI SRT Bulk Translate
- 2 Fusion Transcription Models
- AI Enhance All Subtitles
- AI Enhance Single Subtitle Line
Note: If you experience any issues, please contact us at basel.developer@gmail.com
. Leaving a negative review does not provide enough details for us to properly investigate and resolve the problem.
The developer, Basel Baragabah, 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:
- Purchases
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Basel Baragabah
- Size
- 208.4 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 18 or later.
- iPhone
Requires iOS 18 or later. - iPad
Requires iPadOS 18 or later. - Apple Vision
Requires visionOS 2.0 or later.
- Languages
English and 25 more
- English, Arabic, Dutch, Finnish, French, German, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese, Turkish, Ukrainian, Urdu, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Weekly $4.99
- Pro Yearly $39.99
- Copyright
- © 2026 Basel Baragabah