Best Sleep Time Calculator Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

Whether you're new to sleep time calculator 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 Time Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sleep Time CalculatorSleep Time CalculatorFree3.7★ (22)NoNoMay 2026
2Sleep Timer – Smart alarmSleep Timer – Smart alarmFree4.7★ (1.5K)NoYesAug 2026
3Sleep Time - Alarm CalculatorSleep Time - Alarm CalculatorFree4.5★ (6)NoNoAug 2026
4Sleep Cycle - Tracker & SoundsSleep Cycle - Tracker & SoundsFree4.7★ (28K)NoYesAug 2026
5Sleep Calculator ProSleep Calculator ProFree5.0★ (75)NoNoAug 2026
6Sleep Time: Cycle Alarm ClockSleep Time: Cycle Alarm ClockFree4.7★ (5.4K)YesYesAug 2026
7sleepytime calculatorsleepytime calculatorFree4.9★ (13)NoYesAug 2026
8Sleep Time CalcSleep Time CalcFreeNoNoMay 2026

Top Picks for Sleep Time Calculator

Sleep Time Calculator#1

Sleep Time Calculator by Recked Software LLC

Get the sleep you deserve
Editor's Choice
🔧 Utilities
3.7(22 ratings)
Free
Sleep Time Calculator screenshot 1
Sleep Time Calculator screenshot 2
Sleep Time Calculator screenshot 3
Sleep Time Calculator screenshot 4

This free utility helps you determine optimal wake-up times based on sleep cycles. It aims to reduce grogginess by recommending times to rise at the end of a sleep cycle, promoting a more alert feeling.

Sleep Timer – Smart alarm#2

Sleep Timer – Smart alarm by Kodeon, Inc.

Helps you wake up easy
Strong Contender
💪 Health & Fitness
4.7(1.5K ratings)
FreeIn-App Purchases
Sleep Timer – Smart alarm screenshot 1
Sleep Timer – Smart alarm screenshot 2
Sleep Timer – Smart alarm screenshot 3
Sleep Timer – Smart alarm screenshot 4
Sleep Timer – Smart alarm screenshot 5
Sleep Timer – Smart alarm screenshot 6

This app helps you wake up feeling refreshed by tracking your sleep cycles. It calculates the optimal time to go to bed or wake up based on your sleep patterns and allows you to set an alarm for the ideal moment.

Sleep Time - Alarm Calculator#3

Sleep Time - Alarm Calculator by Oleg Filimonov

Sleep Efficiently
Worth Considering
🔧 Utilities
4.5(6 ratings)
Free
Sleep Time - Alarm Calculator screenshot 1
Sleep Time - Alarm Calculator screenshot 2
Sleep Time - Alarm Calculator screenshot 3
Sleep Time - Alarm Calculator screenshot 4

This utility helps you wake up feeling rested by calculating ideal sleep and wake-up times. It considers the time it takes to fall asleep and provides timely notifications. Enjoy a more efficient sleep schedule with its user-friendly interface.

More Sleep Time Calculator apps to explore

4
Sleep Cycle - Tracker & Sounds
Sleep Cycle - Tracker & Sounds
Sleep Cycle - Tracker & Sounds
Alarm Clock and Tracking App
Free

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.

AI sleep coachSmart Alarm clockSleep pattern tracking
💪 Health & Fitness
(28K)
free with in-app purchases
5
Sleep Calculator Pro
Sleep Calculator Pro
Sleep Calculator Pro
by DealWatch24 LLC
Free

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.

Calculate best time to go to sleepCalculate best time to wake upTrack and analyze sleep cycles
💪 Health & Fitness
(75)
free
6
Sleep Time: Cycle Alarm Clock
Sleep Time: Cycle Alarm Clock
Sleep Time: Cycle Alarm Clock
Smart Bedtime Timer & Tracker
Free

This app helps you fall asleep, stay asleep, and wake up refreshed with advanced sleep cycle analysis and a smart alarm. It offers detailed sleep tracking, soundscapes, and integration with Apple Health.

Smart alarm clock with single gesture settingSleep cycle analysisSoundscapes and white noise for falling asleep
💪 Health & Fitness
(5.4K)
freemium
7
sleepytime calculator
sleepytime calculator
sleepytime calculator
Wake up refreshed
Free

This app helps you determine optimal sleep and wake times to feel more rested. It calculates ideal bedtimes based on your desired sleep duration and natural sleep cycles.

Suggests ideal bedtimesCalculates wake-up timesBased on desired sleep length
💪 Health & Fitness
(13)
free with in-app purchases
8
Sleep Time Calc
Sleep Time Calc
Sleep Time Calc
by Pavel Moslienko
Free
💪 Health & Fitness
(0)
9
Sleep Time+ Cycle Alarm Clock
Sleep Time+ Cycle Alarm Clock
Sleep Time+ Cycle Alarm Clock
Smart Bedtime Timer & Tracker
Free
$8.99 | 100% OFF

Understand your sleep patterns and wake up feeling refreshed. This app tracks sleep cycles, offers soothing soundscapes for falling asleep, and measures resting heart rate without wearables. It provides detailed analysis and customizable alarms to optimize your sleep and wake-up experience.

Sleep cycle analysisSoothing soundscapesResting heart rate measurement
💪 Health & Fitness
(2.5K)
subscription
10
Good Time — Sleep Calculator
Good Time — Sleep Calculator
Good Time — Sleep Calculator
Sleep Cycle Time Calculator
Free

This app calculates optimal bedtime and wake-up times to help you feel refreshed. It uses sleep cycle data to suggest when to go to sleep if you're going to bed now, or when to wake up based on your desired bedtime. It also offers sleeping tips and reminders.

Calculate wake-up time from current bedtimeCalculate bedtime from desired wake-up timeSet bedtime reminders
💪 Health & Fitness
(5)
free
11
Sleep Calculator - Sloth
Sleep Calculator - Sloth
Sleep Calculator - Sloth
Calculate your bed & wake time
Free
💪 Health & Fitness
(0)
12
Mr Sleep - Sleep Calculator
Mr Sleep - Sleep Calculator
Mr Sleep - Sleep Calculator
Plan your best wake up time
Free
💪 Health & Fitness
(0)
13
Sleep Cycle Simple Calculator
Sleep Cycle Simple Calculator
Sleep Cycle Simple Calculator
Know when to wake up fresh
Free
💪 Health & Fitness
(0)
14
Wake Me After: Sleep Timer
Wake Me After: Sleep Timer
Wake Me After: Sleep Timer
Nap time alarm, ADHD.
Free
🔧 Utilities
(0)
15
Sleep Number
Sleep Number
Sleep Number
Start Sleeping Better
Free

This app works with a smart bed to provide personalized sleep and health insights. It tracks biosignals, adjusts bed settings, and offers data to help you understand and improve your sleep quality over time.

Personalized sleep insightsSleepIQ score trackingCircadian rhythm guidance
💪 Health & Fitness
(166K)
free
16
SleepCalc
SleepCalc
SleepCalc
Perfect Sleep, Perfect Timing
Free
💪 Health & Fitness
(0)
17
Sleep Counter
Sleep Counter
Sleep Counter
Track Hours & Awake Time
Free
💪 Health & Fitness
(0)
18
SleepViz: Sleep Recorder
SleepViz: Sleep Recorder
SleepViz: Sleep Recorder
Snore Tracker & Sleep Score
Free
💪 Health & Fitness
(0)
19
Nighty: Sleep Cycle Calculator
Nighty: Sleep Cycle Calculator
Nighty: Sleep Cycle Calculator
Sleep Timing, Simplified
Free

This app helps you time your sleep and wake-up schedule based on natural sleep cycles. It offers two simple modes, wake-up and bedtime, and accounts for the time it takes to fall asleep. All calculations are done on-device for privacy.

Sleep cycle-based timingWake-up modeBedtime mode
💪 Health & Fitness
(4)
free
20
sleep-2-Peak, sleep need tool
sleep-2-Peak, sleep need tool
sleep-2-Peak, sleep need tool
Get YOUR sleep, Give your BEST
Free

This tool helps you understand your body's natural sleep needs and circadian rhythm. Measure alertness variations with simple tests to optimize your daily schedule for peak performance and wellbeing. Export your data for personal use or research.

Measure alertness variationsIdentify unique circadian rhythmOptimize sleep and activity schedules
💪 Health & Fitness
(0)
freemium

FAQ about Sleep Time Calculator

What are the best sleep time calculator apps for iPhone?
Sleep Time Calculator tops our sleep time calculator apps ranking as of August 2026, with a 3.7-star average from 22 App Store ratings, and it's free to download.
Yes — 20 of the top sleep time calculator apps we rank are free to download, including Sleep Time Calculator and Sleep Timer – Smart alarm.
Sleep Time Calculator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ sleep time calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you find the best times to wake up in the morning. It analyzes sleep cycles to recommend wake-up times that align with the end of a cycle, aiming to make you feel more awake and less groggy.
The app is based on the understanding that sleep occurs in cycles, typically lasting around 90 minutes. Waking up at the end of a cycle, rather than in the middle, leads to feeling more alert. It calculates these optimal end-of-cycle wake-up times.