
About
Easily add permanent subtitles to any video. Transcribe audio in one language, optionally translate to another, and burn both tracks directly into the video for universal playback. Customize appearance and timing for clear, readable captions.
What's New in SubStamp
1.8.5
September 28, 2026
Improved the offline transcription and translation quality
Subscriptions & In-App Purchases
Billed weekly
Unlimited save and share for exported videos
User reviews
Developer apps
FAQ
Does SubStamp have ads?
SubStamp does not contain advertisements, providing an uninterrupted user experience.
How much does SubStamp cost?
SubStamp is free to download and use, with optional in-app purchases available for advanced features or content. A weekly subscription is offered at $1.99.
What devices is SubStamp available on?
SubStamp is compatible with both iPhone and iPad devices.
How often is SubStamp updated?
The app was last updated on April 27, 2026, with version 1.8.3. Update frequency indicates ongoing development and support.
Can I edit the subtitles before exporting in SubStamp?
Yes, SubStamp allows you to preview, edit, and fix captions for text, timing, and line breaks before exporting the final video.
What is the age rating for SubStamp?
SubStamp has an age rating of 4+, making it suitable for a wide range of users.
How does SubStamp handle different languages for translation?
SubStamp supports translating subtitles to a second language. It offers standard and AI translation modes, and can fall back to translating via English if a direct pair isn't available.
What are the export options for videos in SubStamp?
You can preserve the original audio and choose export quality and resolution where available. The finished video can be saved to Photos or shared to other apps.




