DreamKnock

Lucid Dream Trainer

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

Wake up inside your dreams. DreamKnock turns your Apple Watch into a lucid-dreaming trainer. While you sleep, the DreamSense™ engine reads your heart-rate dynamics and wrist stillness to sense when you're dreaming — then plays a gentle, distinctive haptic rhythm, soft enough not to wake you. Trained by day, that rhythm means exactly one thing inside a dream: this is a dream. HOW IT WORKS • Tap Start Sleep, set your intention, and drift off • DreamSense™ fuses heart-rate dynamics, micro-motion atonia sensing and sleep-architecture modeling — self-calibrating to your body every single night • When REM holds, a quiet cue slips into your dream BUILT TO PROTECT YOUR SLEEP • Adaptive backoff: if a cue wakes you, the next one waits twice as long; three awakenings stop cues for the night • Cues wait for the REM-rich second half of the night • A battery guard ends the session gracefully and saves your report THE COMPLETE METHOD • Wake Back to Bed (WBTB) timed gentle wake • MILD intention screen at bedtime • Daytime rhythm training and reality-check reminders • Morning report: REM timeline, cue moments, heart-rate curve, sleep latency • Dream journal with dictation, lucid wins and dream-sign tags • Trends: lucid rate, REM per night, your top dream signs • Three cue rhythms, three strengths PRIVATE BY DESIGN No account. No cloud. No analytics. Heart-rate data is processed on your watch via HealthKit and never leaves the device. Your Apple Watch runs the whole night on its own — your iPhone can charge in another room. Requires iPhone (iOS 17) and Apple Watch (watchOS 10) or later. DreamKnock is a wellness tool, not a medical device. Sleep inferences are estimates and vary by person. What's New: Welcome to DreamKnock 1.0 — sweet dreams, and see you on the other side of the mirror. Privacy Policy: https://dreamknock.com/privacy Terms of Use (EULA): https://dreamknock.com/terms

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• Subscribe right from your iPhone — one Face ID tap, and your watch unlocks automatically • Smoother, more reliable purchase flow on the watch • Overnight session stability improvements and bug fixes

Version 1.0.1

The developer, 俊杰 沈, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • 俊杰 沈
    Size
    • 2.6 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Watch
      Requires watchOS 10.0 or later.
    Languages
    English and 6 more
    • English, Dutch, French, German, Japanese, Korean, Simplified Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Shen Junjie
  • Developer Website
  • Privacy Policy

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