Best Sleep Calculator Pro Apps

244+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

If you already know Sleep Calculator Pro, this is the deeper bench. 244+ sleep calculator pro apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Sleep Calculator Pro Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sleep Calculator ProSleep Calculator ProFree5.0★ (75)NoNoAug 2026
2sleepytime calculatorsleepytime calculatorFree4.9★ (13)NoYesAug 2026
3Sleep Time - Alarm CalculatorSleep Time - Alarm CalculatorFree4.5★ (6)NoNoSep 2026
4Sleep Calculator PlusSleep Calculator PlusFree4.8★ (31)NoNoSep 2026
5Sleep Cycle Simple CalculatorSleep Cycle Simple CalculatorFreeNoNoMay 2026
6REM Sleep Calculator & SoundsREM Sleep Calculator & SoundsFree5.0★ (2)NoNoMay 2026
7Sleep CalculatorSleep CalculatorFree4.7★ (19)NoNoAug 2026
8Sleep Calculator AppSleep Calculator AppFree3.0★ (2)YesYesAug 2026

Top Picks for Sleep Calculator Pro

5.0(75 ratings)
Free
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This app helps you determine the optimal times to go to sleep and wake up to align with your natural 90-minute sleep cycles. It calculates ideal bedtime based on your desired wake-up time and vice-versa, promoting a more rested feeling upon waking. It also includes features for tracking sleep phases and a smart alarm to wake you gently.

More Sleep Calculator Pro apps to explore

FAQ about Sleep Calculator Pro

What are the best sleep calculator pro apps for iPhone?
Sleep Calculator Pro tops our sleep calculator pro apps ranking as of September 2026, with a 5.0-star average from 75 App Store ratings, and it's free to download.
Yes — 20 of the top sleep calculator pro apps we rank are free to download, including Sleep Calculator Pro and sleepytime calculator.
Sleep Calculator Pro has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 244+ sleep calculator pro apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you determine the best times to go to sleep and wake up to maximize rest. It calculates these times based on natural 90-minute sleep cycles, aiming to wake you during a lighter sleep phase for a more refreshed feeling. It also includes sleep tracking and a smart alarm.
The app assumes a human takes about 15 minutes to fall asleep and that a good night's sleep consists of 5-6 complete 90-minute sleep cycles. By selecting your desired wake-up time, it calculates the ideal bedtime, or vice-versa, to ensure you wake up between these cycles.