Freemium Free tier; Pro ~$5/mo
Language Reactor
Dual subtitles for Netflix and YouTube
Last verified: Jul 1, 2026
Language Reactor (formerly Language Learning with Netflix) adds dual-language subtitles, popup dictionaries, and playback controls to Netflix and YouTube. Save words and review them in-app. The free tier is generous; Pro adds more features. Transform passive video watching into active study.
Pros
- ✓Dual subtitles on streaming
- ✓Word saving
- ✓Playback speed control
Cons
- −Chrome only
- −Requires Netflix/YouTube
- −Best for intermediate+