Dual subtitles
Follow the original dialogue and reveal a translation only when you need help.
DualSub
Learn languages with the videos you want to watch.
DualSub is an Android language-learning app that combines video playback, dual subtitles, a contextual dictionary, saved vocabulary and spaced review. It supports YouTube videos, local video files and guided listening practice.
Contextual dictionary
Press a subtitle word to understand its meaning in the current sentence.
Vocabulary review
Save useful words and review them later with flashcards and spaced repetition.
Listening practice
Use phrase controls, optional automatic pauses and guided lessons to train comprehension.