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Language REACTOR logo
Language REACTOR
✓ verifiedFreemium

Browser extension that adds dual subtitles and click-to-lookup to Netflix and YouTube for learning languages.

1.7M visits/mo
BoldVoice logo
BoldVoice
✓ verifiedPaid

American-accent training app pairing Hollywood dialect-coach video lessons with instant AI pronunciation feedback.

512K visits/mo2.1K saves
Hallo logo
Hallo
✓ verifiedPaid

AI platform that scores speaking, writing, reading and listening in 80+ languages for pre-hire language screening.

178K visits/mo
InterSub logo
InterSub
✓ verifiedFreemium

Browser extension offering interactive dual subtitles and instant word translations for language learning while streaming.

100K visits/mo
ChatGPT English Praktika App logo
ChatGPT English Praktika App
✓ verifiedFreemium

Mobile app that pairs language learners with AI conversation tutors for real-time pronunciation, grammar, and speaking practice.

233K visits/mo11K saves
Pricing

No public pricing

No public pricing

Free trial available

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
  • Hollywood dialect-coach video lessons
  • Instant AI pronunciation feedback
  • Sound-level mistake analysis with tips
  • Targeted practice drills
  • Conversation practice and AI role-play
  • Progress and score tracking
  • Scenario-based, open-response speaking and writing tests
  • CEFR score reports with skill-level feedback
  • Pronunciation and accent evaluation
  • Coverage of 80+ languages
  • Proctoring and cheating-prevention controls
  • Admin dashboard with shareable results
  • White labeling and multi-factor authentication
  • 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
  • Multiple AI tutor personas for conversation practice
  • Real-time pronunciation and grammar correction
  • Adaptive personalized study plans
  • Adjustable feedback intensity (soft to strict)
  • Free-topic open conversation mode
  • Native-language onboarding for beginners
Use cases
  • Learn a language while watching shows
  • Look up and save new words from video
  • Study with dual subtitles
  • Reduce accent and improve clarity
  • Prepare to speak confidently at work
  • Practice English pronunciation daily
  • Pre-employment language screening
  • BPO and customer-service hiring
  • HR and placement testing
  • Learning-and-development assessment
  • Enterprise global hiring
  • Learning a language via shows and courses
  • Looking up words while watching
  • Building and reviewing vocabulary
  • Practicing spoken conversation without a human partner
  • Refreshing language skills before travel
  • Building a daily language practice habit
  • Starting a new language from scratch
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