Terrible app
This app is so filled with ads it’s unusable. By the time I’ve got through trying to close all the ads I’ve missed the time it tells me I should’ve gone to bed
Free
In-App PurchasesWith Ads
About
Optimize your sleep by calculating ideal bedtime and wake-up times based on natural 90-minute sleep cycles. Includes relaxing sounds and meditation to help you fall asleep faster and wake up feeling refreshed.
✓Calculate best bedtime
✓Calculate best wake-up time
✓Select desired wake-up time
✓Relaxing sounds
✓Sleep meditation
✓No registration required
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What's New in Sleep Calculator App
8.6
July 7, 2026
Some errors from the previous version were corrected.
1
In-App Purchases
$6.99
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FAQ
How does Sleep Calculator App determine the best bedtime?
Sleep Calculator App calculates your best bedtime by working backward from your desired wake-up time, factoring in natural 90-minute sleep cycles. It aims to have you wake up at the end of a cycle.
What is the average time it takes to fall asleep according to Sleep Calculator App?
The app suggests that the average person takes about 15 minutes to fall asleep. This is considered in its calculations to ensure you are asleep before your desired wake-up window.
Does Sleep Calculator App require registration?
No, Sleep Calculator App does not require any registration. You can start using its features immediately upon downloading the app.
What devices is Sleep Calculator App available on?
Sleep Calculator App is available on iPhone, iPad, and iPod. It is designed to be compatible with these Apple devices.
What is the age rating for Sleep Calculator App?
Sleep Calculator App has an age rating of 4+. This indicates it is suitable for children and adults.
How often is Sleep Calculator App updated?
The latest version of Sleep Calculator App is 8.4, and it was last updated on March 16, 2026. This suggests a recent update, though specific update frequency is not detailed.
Does Sleep Calculator App have ads?
Yes, Sleep Calculator App contains advertisements. It is a free app that supports its development through ads.
What are the sleep cycle recommendations for Sleep Calculator App?
Sleep Calculator App recommends aiming for 3 to 6 complete 90-minute sleep cycles for a good night's sleep. Waking up at the end of a cycle is key to feeling rested.
