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Language REACTOR
✓ verifiedFreemium
Browser extension that adds dual subtitles and click-to-lookup to Netflix and YouTube for learning languages.
1.7M visits/mo
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Fluently AI
✓ verifiedFreemium
Mobile AI tutor for English speaking practice with instant pronunciation, fluency, vocabulary and grammar feedback.
534K visits/mo4.4K saves
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InterSub
✓ verifiedFreemium
Browser extension offering interactive dual subtitles and instant word translations for language learning while streaming.
100K visits/mo
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Think in Italian AI Tutor
✓ verifiedFreemium
Structured online Italian course combining audio lessons and readings with an AI conversation tutor for speaking practice.
67K visits/mo7.3K saves
Pricing
No public pricing
No public pricing
Free: $0/mo
Pay-as-you-go: from $1.50
Premium: from $6/mo
Free trial available
No public pricing
Core features
- ✦Dual subtitles on Netflix and YouTube
- ✦Click-to-lookup word translations
- ✦Saveable vocabulary items
- ✦Playback controls for language study
- ✦Works as a browser extension
- ✦Conversational AI speaking practice, no button pushing
- ✦Scoring across pronunciation, fluency, vocabulary and grammar
- ✦Games for gamified word practice
- ✦Structured courses by goal and level
- ✦Job/industry interview practice
- ✦Available for individuals and teams on iOS and Android
- ✦Interactive dual subtitles
- ✦Instant hover word translations
- ✦On-the-fly subtitle translation
- ✦Personal wordbook with Anki sync
- ✦Multi-platform (YouTube, Netflix, Coursera, etc.)
- ✦Phrase/idiom collocation detection
- ✦250-lesson structured audio course
- ✦1,200+ bilingual short-story readings with audio
- ✦AI conversation tutor with real-time speech feedback
- ✦AI-generated personalized lesson reviews
- ✦Companion mobile app (SpeakTwice)
- ✦Free introductory course offerings
Use cases
- →Learn a language while watching shows
- →Look up and save new words from video
- →Study with dual subtitles
- →Practicing spoken English conversationally
- →Preparing for job interviews in English
- →Improving pronunciation and fluency
- →Building workplace English confidence
- →Learning a language via shows and courses
- →Looking up words while watching
- →Building and reviewing vocabulary
- →Beginners wanting to build spoken Italian fluency
- →Learners who dislike traditional grammar-heavy courses
- →Busy learners fitting in short daily reading practice
- →Students wanting AI-guided pronunciation correction
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