Best Sleep Calculator App

250+ iOS apps curated and reviewed

4.5 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 250+ 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 Cycle - Tracker & SoundsSleep Cycle - Tracker & SoundsFree4.7★ (30K)NoYesOct 2026
2Sleep Calculator ProSleep Calculator ProFree5.0★ (76)NoNoSep 2026
3Sleep Calculator PlusSleep Calculator PlusFree4.8★ (31)NoNoOct 2026
4Sleep Calculator AppSleep Calculator AppFree3.0★ (2)YesYesSep 2026
5Sleep Timer – Smart alarmSleep Timer – Smart alarmFree4.7★ (1.5K)NoYesOct 2026
6Sleep Cycle - Sleep CalculatorSleep Cycle - Sleep CalculatorFree4.5★ (19)YesYesAug 2026
7Sleep Time CalculatorSleep Time CalculatorFree3.7★ (22)NoNoMay 2026
8RISE: Sleep TrackerRISE: Sleep TrackerFree4.7★ (71K)YesYesOct 2026

Top Picks for Sleep Calculator App

Sleep Cycle - Tracker & Sounds#1

Sleep Cycle - Tracker & Sounds by Sleep Cycle AB

Alarm Clock and Tracking App
Editor's Choice
💪 Health & Fitness
4.7😐(30K ratings)
FreeIn-App Purchases
#50in Health & Fitness
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This app uses sound analysis to track sleep patterns, identify potential issues, and build healthier sleep routines. It features an AI sleep coach, a smart alarm to wake you gently, and tools to record snoring and sleep talking.

What We Love

  • 🚀 Accurate sleep tracking
  • 👍 Gentle alarm wakes you up during light sleep
  • 📊 Detailed sleep data and insights
  • 🌙 Soothing sleep aid sounds

Room to Improve

  • 🐛 Alarm not always reliable, sometimes doesn't go off
  • 🔋 High battery drain, especially on Apple Watch
  • 💰 Expensive subscription model, limited free features
  • 📉 Inaccurate sleep tracking in some cases
Sleep Calculator Pro#2

Sleep Calculator Pro by DealWatch24 LLC

Sleep cycles & smart alarm
Strong Contender
💪 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.

More Sleep Calculator App apps to explore

FAQ about Sleep Calculator App

What is the best sleep calculator app for iPhone?
Sleep Cycle - Tracker & Sounds tops our sleep calculator app ranking as of October 2026, with a 4.7-star average from 30K 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 Cycle - Tracker & Sounds and Sleep Calculator Pro.
Sleep Cycle - Tracker & Sounds has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ sleep calculator app on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.