Say goodbye to repetitive, generic loops. "KaiShui" is a premium tool designed for audio customization and deep sleep analysis. Deeply integrated with iOS features, we give you ultimate control over your sleep environment.
【Key Features】
10-Track Smart Mixing Engine: Unique dual-layer logic for background ambiance and accent sounds. Supports independent volume control, random intervals, delayed starts, and fade-in/out to simulate a truly natural, non-repeating soundscape.
Live Activities & Dynamic Island: Track your sleep countdown directly on the lock screen and Dynamic Island without unlocking your phone.
HealthKit Insights: Sync with Apple Watch to monitor sleep stages (Deep, REM, etc.) and heart rate. Our algorithm analyzes which sound combination induces your deep sleep best.
Siri & Automation: Supports "Hey Siri, start sleep session" to seamlessly blend into your smart iOS life.
All-Format Audio Import: Supports MP3, M4A, FLAC, and more. Import your favorite tracks into the mixing engine for infinite possibilities.
【Our Promise】
Focused entirely on sleep. No ads, no social features, no bloated recommendations. Supports iCloud backup for cross-device syncing.
Privacy Policy:https://www.yuque.com/bashert/hzq6z2/gi672n1ydh2h02dt?singleDoc#
Terms of Use/EULA:https://www.yuque.com/bashert/hzq6z2/ezvibonrmu1mebbf?singleDoc#
Ratings & Reviews
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What’s new in KaiShui 2.7.0:
- Introducing Bedside Speaker: start a curated sleep soundscape with one tap, accompanied by gentle breathing light effects and a sleep timer.
- Discover new long-form sleep content and responsive sleep companions, including meditations, bedtime stories, and low-stimulation shows.
- A redesigned mixer makes it easier to balance individual tracks, preview your mix, and save it to a playlist.
- Sleep records now lead with last night’s summary and one clear focus for tonight, followed by trends and detailed data.
- My Content now features a more compact overview, category search, and clearer controls for favorites, playback, and management.
- Home shortcuts can be collapsed while keeping direct icon access, and playback controls now stay fixed instead of scrolling away.
- Enjoy a shorter first-run experience, three new Home Screen widget styles, improved iCloud sync, reduced-motion support, and more reliable playback.
Version 2.7.0
The developer, 凌峰 高, 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
凌峰 高
Size
248.1 MB
Category
Health & Fitness
Compatibility
Requires iOS 17.6 or later.
iPhone Requires iOS 17.6 or later.
iPad Requires iPadOS 17.6 or later.
Mac Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
Apple Vision Requires visionOS 1.3 or later.
Languages
English and 8 more
English, French, German, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese