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WordLocker

Education

iOS app that blocks distracting apps until you complete a daily English vocabulary challenge. Local-first, privacy-preserving design.

Visit Website Coming soon to App Store
Platform iOS 16+
Category Education
Pricing Free + Subscription

What is WordLocker?

WordLocker is an iOS app that blocks distracting apps on your phone and asks you to complete a 3-stage English vocabulary challenge before you can open them again. It turns screen time into learning time.

Features

  • 3-stage learning flow — Card Review → Matching → Spelling
  • CEFR-calibrated vocabulary — A1, A2, B1, B2, or C1
  • Spaced repetition — Scientifically-optimized review intervals
  • Pronunciation (US & UK) — Apple AVSpeechSynthesizer, fully offline
  • Streaks & 9 badges — Premium adds streak freeze and streak recovery
  • Flashcard study mode — 3D flip cards with swipe gestures
  • Local-first — Works fully without an account; optional cloud sync
  • 10 languages — Turkish, German, French, Spanish, Portuguese, Arabic, Japanese, Korean, Chinese, English

Privacy

WordLocker uses a local-first architecture. Works fully without an account, and your data stays on your device. By Apple’s privacy design, the apps you block are stored as opaque tokens — real app names never reach our servers. No ads, no third-party tracking.

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