Sleep Calculator: Cycle Alarm

Sleep Calculator: Cycle Alarm

Wake up with smart timing

1 ratings
1 review
Free
In-App Purchases

Details

  • Released
  • Updated
  • June 29, 2025
  • June 15, 2026

Features

Sleep Calculator: Cycle Alarm screenshot #1 for iPhone
Sleep Calculator: Cycle Alarm screenshot #2 for iPhone
Sleep Calculator: Cycle Alarm screenshot #3 for iPhone
Sleep Calculator: Cycle Alarm screenshot #4 for iPhone
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About

Optimize your sleep schedule by aligning with natural 90-minute sleep cycles. This app provides recommended times to fall asleep and wake up, helping you feel more rested and energized. It also offers calming sleep sounds and smart reminders to ensure you don't miss your ideal sleep windows.

Smart sleep cycle calculations
Recommended wake-up times
Optimal sleep time suggestions
Calming sleep sounds
Smart reminders
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What's New in Sleep Calculator

1.2.0

June 15, 2026

Fresh new UI with a cleaner and more elegant sleep experience

3

In-App Purchases

$3.99

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User reviews

the best sleep and relaxation apps I’ve used — easy 5 stars

I’ve tried a lot of sleep apps, but this one feels genuinely thoughtful.
The sleep cycle planner helps me choose the best time to sleep or wake up based on natural 90-minute cycles, and I wake up feeling much less groggy.

Response from developer

Thank you so much for the thoughtful feedback!

Developer apps

FAQ

How does Sleep Calculator determine the best wake-up times?

Sleep Calculator uses principles of sleep science to align your sleep with natural 90-minute sleep cycles. It recommends wake-up times that aim to minimize grogginess and help you feel more refreshed.

Can Sleep Calculator help me fall asleep faster?

Yes, by suggesting optimal times to fall asleep based on your desired wake-up time and natural sleep cycles, Sleep Calculator aims to improve your overall sleep efficiency and reduce the time it takes to fall asleep.

What kind of sounds does Sleep Calculator offer?

The app provides calming sleep sounds designed to help users fall asleep peacefully. Specific details on the types of sounds are not provided in the description.

Does Sleep Calculator have ads?

No, Sleep Calculator is ad-free, allowing for an uninterrupted user experience focused on improving sleep.

What devices does Sleep Calculator support?

Currently, Sleep Calculator is supported on iPhone devices. Information regarding Android or other platform compatibility is not available.

How often is Sleep Calculator updated?

The latest version, 1.2.0, was last updated on June 15, 2026. While specific update frequency isn't detailed, this indicates recent development activity.

What is the age rating for Sleep Calculator?

Sleep Calculator has an age rating of 4+, making it suitable for a wide range of users.

Is Sleep Calculator free to use?

Yes, Sleep Calculator is available for free. There are no in-app purchases mentioned, suggesting all core features are accessible without cost.