Best Sleep Cycle Calculator Apps

248+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good sleep cycle calculator apps. We benchmark 248+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Sleep Cycle Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sleep Timer – Smart alarmSleep Timer – Smart alarmFree4.7★ (1.5K)NoYesSep 2026
2Sleep Calculator ProSleep Calculator ProFree5.0★ (75)NoNoAug 2026
3Sleep Cycle - Tracker & SoundsSleep Cycle - Tracker & SoundsFree4.7★ (29K)NoYesSep 2026
4Sleep Cycle Simple CalculatorSleep Cycle Simple CalculatorFreeNoNoMay 2026
5Sleep Time CalculatorSleep Time CalculatorFree3.7★ (22)NoNoMay 2026
6Sleep Calculator: Cycle AlarmSleep Calculator: Cycle AlarmFree5.0★ (1)NoNoJun 2026
7Nighty: Sleep Cycle CalculatorNighty: Sleep Cycle CalculatorFree5.0★ (4)NoNoMay 2026
8Sleep Cycle Calculator - BedtiSleep Cycle Calculator - BedtiFreeNoYesAug 2026

Top Picks for Sleep Cycle Calculator

5.0(75 ratings)
Free
Sleep Calculator Pro screenshot 1
Sleep Calculator Pro screenshot 2
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Sleep Calculator Pro screenshot 6

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 Cycle - Tracker & Sounds#3

Sleep Cycle - Tracker & Sounds by Sleep Cycle AB

Alarm Clock and Tracking App
Worth Considering
💪 Health & Fitness
4.7😐(29K ratings)
FreeIn-App Purchases
#59in Health & Fitness
Sleep Cycle - Tracker & Sounds screenshot 1
Sleep Cycle - Tracker & Sounds screenshot 2
Sleep Cycle - Tracker & Sounds screenshot 3
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Sleep Cycle - Tracker & Sounds screenshot 5
Sleep Cycle - Tracker & Sounds screenshot 6

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

More Sleep Cycle Calculator apps to explore

FAQ about Sleep Cycle Calculator

What are the best sleep cycle calculator apps for iPhone?
Sleep Timer – Smart alarm tops our sleep cycle calculator apps ranking as of September 2026, with a 4.7-star average from 1.5K App Store ratings, and it's free to download.
Yes — 20 of the top sleep cycle calculator apps we rank are free to download, including Sleep Timer – Smart alarm and Sleep Calculator Pro.
Sleep Timer – Smart alarm has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 248+ sleep cycle calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app tracks your sleep cycles to help you wake up at the optimal time. It calculates when you should go to bed or wake up to ensure you're not disturbed mid-cycle, leading to a more refreshed feeling.
The app's subscription management is handled through iTunes/App Store Account Settings, indicating it is available on iOS devices.

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