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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
SPEAKPAL logo
SPEAKPAL
✓ verifiedFreemium

AI language tutor offering role-play conversations, pronunciation coaching and instant grammar correction across 30+ languages.

193K visits/mo16K saves
InterSub logo
InterSub
✓ verifiedFreemium

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

100K visits/mo
Lingotrack logo
Lingotrack
✓ verifiedFreemium

Social tracker for language immersion that logs study time and media while surfacing level-appropriate content.

48K visits/mo
Hallo logo
Hallo
✓ verifiedPaid

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

178K visits/mo
Pricing

No public pricing

No public pricing

Free: $0/mo
Pay-as-you-go: from $1.50
Premium: from $6/mo

Free trial available

Free: $0/mo (track one language)
Pro: $3/mo (unlimited languages)

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
  • Real-life role-play conversation practice
  • AI pronunciation coaching for accent and rhythm
  • Real-time grammar correction during chats
  • Adaptive tutoring based on skill level
  • Downloadable course and audio materials
  • AI-generated, QR-verifiable proficiency certificates
  • 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
  • One-click activity and media logging
  • Crowdsourced, difficulty-rated content database
  • Progress dashboards and visualizations
  • Community leaderboards and reading challenges
  • AI-assisted logging and GPT integration
  • 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
Use cases
  • Learn a language while watching shows
  • Look up and save new words from video
  • Study with dual subtitles
  • Practicing job interview or travel conversations in a new language
  • Getting pronunciation feedback without a live tutor
  • Preparing for language proficiency verification
  • Supervised language practice for teen learners
  • Learning a language via shows and courses
  • Looking up words while watching
  • Building and reviewing vocabulary
  • Tracking immersion hours and media consumed
  • Finding level-appropriate foreign content
  • Connecting and competing with other learners
  • Pre-employment language screening
  • BPO and customer-service hiring
  • HR and placement testing
  • Learning-and-development assessment
  • Enterprise global hiring
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