Best Sleep Calculator App

249+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated October 2026

Whether you're new to sleep calculator app or looking for an upgrade, our curated collection of 249+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Sleep Calculator App (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sleep Calculator ProSleep Calculator ProFree5.0★ (76)NoNoOct 2026
2Sleep Calculator PlusSleep Calculator PlusFree4.8★ (32)NoNoOct 2026
3Sleep Calculator AppSleep Calculator AppFree3.0★ (2)YesYesSep 2026
4Sleep Cycle - Tracker & SoundsSleep Cycle - Tracker & SoundsFree4.7★ (32K)NoYesNov 2026
5Sleep Timer – Smart alarmSleep Timer – Smart alarmFree4.7★ (1.5K)NoYesNov 2026
6Sleep Time CalculatorSleep Time CalculatorFree3.8★ (23)NoNoOct 2026
7Sleep Calculator: BedtimeSleep Calculator: BedtimeFree—NoYesOct 2026
8Sleep Cycle - Sleep CalculatorSleep Cycle - Sleep CalculatorFree4.5★ (19)YesYesOct 2026

Top Picks for Sleep Calculator App

Sleep Calculator Pro#1

Sleep Calculator Pro by DealWatch24 LLC

Sleep cycles & smart alarm
Editor's Choice
💪 Health & Fitness
5.0(76 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.

Sleep Calculator Plus#2

Sleep Calculator Plus by Kevin Hausen

Optimize sleep cycles
Strong Contender
🔧 Utilities
4.8(32 ratings)
Free
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This utility helps you determine the ideal times to sleep or wake up by calculating based on natural 90-minute sleep cycles. It aims to help users feel more refreshed and energized by waking them between these cycles.

Sleep Calculator App#3
3.0(2 ratings)
FreeAdsIn-App Purchases
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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.

More Sleep Calculator App apps to explore

FAQ about Sleep Calculator App

What is the best sleep calculator app for iPhone?
Sleep Calculator Pro tops our sleep calculator app ranking as of October 2026, with a 5.0-star average from 76 App Store ratings, and it's free to download.
Yes — 20 of the top sleep calculator app we rank are free to download, including Sleep Calculator Pro and Sleep Calculator Plus.
Sleep Calculator Pro has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 249+ sleep calculator app on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.