
About
This app creates subtitles for videos entirely on your device, without needing a server or account. It allows you to view original and translated text side-by-side and export subtitles as SRT files. Enjoy seamless subtitle playback even when rewinding.
What's New in Presub
1.1.0
October 7, 2026
• Save & Review — Press and hold a subtitle line to save sentences, and save words from the dictionary lookup • "Review" tab — Divided into "Learning" and "Learned". Filter by "Difficulty" and "Review with cards". Listen again with device TTS • Export to Anki & CSV (when limits are removed) • "Redeem Code" on the purchase screen • Fixed: Some text on the purchase screen showing in Korean for other languages; displayed filename of imported files
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FAQ
Does Presub have ads?
No, Presub does not contain advertisements. The app is free to use with limitations on new subtitle creation per day, which can be removed with a one-time purchase.
How much does Presub cost?
Presub is free to download and use, allowing up to 3 new subtitle creations per day. A one-time purchase removes this daily limit and is not a subscription.
What devices does Presub support?
Presub is available for iPhone and iPad devices. It was last updated on 2026-09-27 with version 1.0.2.
Can Presub translate YouTube or Netflix videos?
No, Presub cannot handle protected videos like those from YouTube or Netflix. It supports local video/audio files and unprotected web videos accessed through its in-app browser.
What languages does Presub support for translation?
Presub supports Korean, English, Japanese, and Traditional Chinese for its subtitle generation and translation features.
How often is Presub updated?
Presub was last updated on 2026-09-27 to version 1.0.2. The release date for the app was 2026-09-25.
Is Presub suitable for younger users?
Presub has an age rating of 17+, indicating it may contain content or features not suitable for all ages. Users should exercise discretion.
Can I export subtitles from Presub?
Yes, Presub allows you to export generated subtitles as SRT files or plain text. The subtitle list itself also functions as a script.




