Submate: Dual Subtitles for YT
Bilingual Captions for YouTube
About
Enhance language learning by watching YouTube videos with dual subtitles. Save key phrases as video flashcards for contextual review and utilize AI-powered scheduling to reinforce vocabulary.
What's New in Submate
1.2.0
August 22, 2026
Watch directly on your phone with an incredible UX.
Subscription plans
Submate Pro (Monthly)
A monthly subscription for Submate Pro
Developer apps
FAQ
How does Submate help with language learning?
Submate displays dual subtitles for YouTube videos, allowing you to see translations in real-time. You can also save specific moments as video flashcards to review vocabulary and phrases in context.
Can I use Submate on my smart TV?
Yes, Submate supports watching YouTube with dual subtitles on your Smart TV or Apple TV. You can then use your phone to view the dual captions.
What is the FSRS review scheduling in Submate?
FSRS (Free Spaced Repetition System) is an AI-powered scheduling algorithm used by Submate. It predicts when you're likely to forget a flashcard and schedules it for review just before that point, optimizing your study efficiency.
Does Submate have ads?
No, Submate is ad-free, allowing for an uninterrupted learning experience.
What devices does Submate support?
Submate is available for iPhone and iPod devices.
What are the subscription options for Submate Pro?
Submate Pro offers monthly and yearly subscription plans. The monthly plan costs $6.99 per month, and the yearly plan is $49.99 per year.
How often is Submate updated?
The latest version of Submate is 1.1.0, which was released on August 18, 2026. Updates are generally released to improve features and performance.
What is the age rating for Submate?
Submate has an age rating of 4+, making it suitable for a wide range of users.