Circadian - Rhythm & Sleep
Master your circadian rhythm
$0.99 · Designed for iPad. Not verified for macOS.
**Master Your Rhythm, Reclaim Your Energy.**
Do you struggle with staying up late, hitting the snooze button repeatedly, or feeling groggy throughout the day?
**Circadian** is an intelligent sleep management tool designed to help you rebuild your natural body clock and improve your sleep quality. Through our scientific "Regular Sleep + Wake-up Challenge + Habit Building" loop, we transform waking up from a chore into an achievement.
**Key Features:**
* **Smart Circadian Tracking**: Real-time display of your current physiological state (Daytime, Bedtime Prep, Sleeping). Based on your personalized plan, the app intelligently reminds you when to put down your phone and start unwinding.
* **Hardcore Wake-up Challenges**: Designed for the chronic snoozers. Choose from math problems, photo verification, or QR code scanning to dismiss your alarm. Force your brain to wake up and eliminate endless snoozing.
* **Visualized Sleep Stats**: Intuitive charts showing your bedtime consistency for the week. Gain insights into your routine trends and witness every small improvement through data.
* **Minimalist Design**: Built with iOS native design aesthetics for a smooth and natural experience. Full support for Dark Mode to protect your eyes at night.
* **Achievement System**: Earn points by sticking to your healthy routine and unlock different levels of challenges. Make self-discipline as engaging as a game.
**Why Choose Circadian?**
We believe the best sleep management isn't just about logging—it's about active intervention. Circadian is more than just an alarm clock; it's your digital companion for building a sustainable, healthy lifestyle.
Download Circadian today and start your journey toward a more disciplined and energized life!
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The developer, Han Fei Shu, 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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Han Fei Shu
- Size
- 5.9 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- Simplified Chinese
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- Copyright
- © 2026 Han Fei Shu
