Best Sleep Cycle Bedtime Calculator Apps

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated September 2026

Sleep Cycle Bedtime Calculator is the household name in sleep cycle bedtime calculator, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Sleep Cycle Bedtime Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sleep Cycle Bedtime CalculatorSleep Cycle Bedtime CalculatorFree4.1★ (289)NoYesSep 2026
2Sleep Calculator ProSleep Calculator ProFree5.0★ (75)NoNoAug 2026
3sleepytime calculatorsleepytime calculatorFree4.9★ (13)NoYesAug 2026
4Sleep Timer – Smart alarmSleep Timer – Smart alarmFree4.7★ (1.5K)NoYesSep 2026
5SleepCycle: Sleep CalculatorSleepCycle: Sleep CalculatorFree5.0★ (1)NoYesJun 2026
6Sleep Cycle - Tracker & SoundsSleep Cycle - Tracker & SoundsFree4.7★ (29K)NoYesSep 2026
7Sleep Calculator: Cycle AlarmSleep Calculator: Cycle AlarmFree5.0★ (1)NoNoJun 2026
8Sleep Cycle Simple CalculatorSleep Cycle Simple CalculatorFreeNoNoMay 2026

Top Picks for Sleep Cycle Bedtime Calculator

Sleep Cycle Bedtime Calculator#1

Sleep Cycle Bedtime Calculator by Kai Oelfke

Wake Up & Bed Time Schedule
Editor's Choice
💪 Health & Fitness
4.1😊(289 ratings)
FreeIn-App Purchases
Sleep Cycle Bedtime Calculator screenshot 1
Sleep Cycle Bedtime Calculator screenshot 2
Sleep Cycle Bedtime Calculator screenshot 3

This app helps you determine optimal wake-up and bedtime based on sleep cycles. It calculates ideal times to go to sleep and wake up to feel more refreshed, considering the average 90-minute sleep cycle duration. You can also customize your estimated time to fall asleep.

What We Love

  • 🆓 Completely free with no ads or data collection
  • 👍 Simple and intuitive user interface
  • 🎯 Accurate sleep cycle calculations based on 90-minute cycles
  • ⚡ Quick and easy to use
  • 📊 Shows multiple sleep time options and highlights best choices
  • 🔒 Respects user privacy with no data tracking
  • 🛏️ Helps improve sleep quality and morning alertness
  • ⚙️ Allows flexible adjustment of wake and bedtime settings
  • 🎨 Clean, sleek design without clutter

Room to Improve

  • 😕 Confusing interface for some users
  • 🐛 Unresponsive touch controls reported
  • 📉 Lacks visual graphs and data visualization
  • ❌ No detailed sleep analysis or insights
  • 🔄 Settings reset when app is closed
  • ⏰ Alarm integration issues
  • 📱 Not user-friendly for new users
  • 🚫 Limited functionality compared to other sleep trackers
  • ❓ Unclear how to interpret displayed information
5.0(75 ratings)
Free
Sleep Calculator Pro screenshot 1
Sleep Calculator Pro screenshot 2
Sleep Calculator Pro screenshot 3
Sleep Calculator Pro screenshot 4
Sleep Calculator Pro screenshot 5
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.

More Sleep Cycle Bedtime Calculator apps to explore

FAQ about Sleep Cycle Bedtime Calculator

What are the best sleep cycle bedtime calculator apps for iPhone?
Sleep Cycle Bedtime Calculator tops our sleep cycle bedtime calculator apps ranking as of September 2026, with a 4.1-star average from 289 App Store ratings, and it's free to download.
Yes — 20 of the top sleep cycle bedtime calculator apps we rank are free to download, including Sleep Cycle Bedtime Calculator and Sleep Calculator Pro.
Sleep Cycle Bedtime Calculator has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ sleep cycle bedtime calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you calculate the best times to go to bed and wake up to maximize rest. It's based on the scientific principle of sleep cycles, which are approximately 90 minutes long, and aims to align your sleep schedule with these cycles for better refreshment.
The app uses the duration of sleep cycles (around 90 minutes) to determine optimal times. For example, if you need to wake up at a certain time and aim for 5-6 sleep cycles, it will suggest a corresponding bedtime. You can also input your desired wake-up time and the number of cycles you want to achieve.