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Free, no-signup spaced-repetition flashcard app for language and general learning, using the SuperMemo SM-2 algorithm.

9.1K saves
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BoldVoice
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American-accent training app pairing Hollywood dialect-coach video lessons with instant AI pronunciation feedback.

512K visits/mo2.1K saves
Pricing
Free: €0 (unlimited words, sets, and flashcards)

No public pricing

Free trial available

Core features
  • Spaced repetition scheduling (SuperMemo SM-2)
  • No account required, local browser storage
  • Offline access to flashcards
  • Audio pronunciation support
  • Progress tracking and statistics
  • Optional AI translation and writing correction (bring-your-own API key)
  • 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
Use cases
  • Self-directed language learners building custom vocabulary decks
  • Students studying any subject with spaced repetition
  • Learners wanting offline-capable flashcards without an account
  • Users wanting AI-assisted translation while building flashcards
  • Reduce accent and improve clarity
  • Prepare to speak confidently at work
  • Practice English pronunciation daily
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