SubEnvoy - AI Subtitle Editor
Offline Video Transcription
Free · In‑App Purchases
Struggling with missing subtitles? Tired of inaccurate auto-translations?
SubEnvoy is your private AI specialist for subtitle translation and video transcription.
【Privacy-First & On-Device】
Your videos never leave your device. Powered by the Whisper model, all processing is done 100% offline. Total privacy, zero data usage.
【Core Features】
- Context-Aware AI Translation: Go beyond literal translation. Our AI understands the nuance of dialogues for natural, fluid subtitles.
- Mobile Player Ready: Export standard SRT files perfectly compatible with Infuse, nPlayer, and VLC on iOS/iPadOS.
- Fair Pay-As-You-Go: No monthly subscription traps. Pay only for what you process.
SubEnvoy makes every foreign movie feel native.
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Privacy Policy: https://subenvoy.app/en/privacy
Terms of Use: https://subenvoy.app/en/terms
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
SubEnvoy Translation brings several optimizations to improve the efficiency and stability of your video translation process.
- Optimized the model download process to increase success rates and shorten waiting times.
- Removed the pre-warming feature and tuned memory management to fix performance issues in specific scenarios.
- Added dynamic progress indicators for AI engine initialization to improve the pre-task waiting experience.
- Introduced timeout consolation logic to provide better feedback during longer initialization periods.
SubEnvoy: Making every foreign film as easy to read as your native language.
The developer, 祎 万, 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 Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Contact Info
- User Content
- Identifiers
- Usage Data
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
- 祎 万
- Size
- Up to 20.8 MB
- Category
- Utilities
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
English and 12 more
- English, French, German, Indonesian, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Thai, Traditional Chinese, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Ultra (Yearly) $139.99
- Points Pack 2000 $19.99
- Points Pack 4000 $39.99
- Pro (Monthly) $6.99
- Pro (Yearly) $69.99
- Points Pack 1000 $9.99
- Points Pack 400 $3.99
- Starter (Yearly) $29.99
- Starter (Monthly) $2.99
- Ultra (Monthly) $13.99
- Copyright
- © 2026 Wan Yi