Best Sleep Calculator Plus Apps

245+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

With an average user rating of 4.6★, the sleep calculator plus category is one of the App Store's strongest. Browse all 245+ apps we track, sorted so the most loved ones surface first.

Compare top Sleep Calculator Plus Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sleep Calculator PlusSleep Calculator PlusFree5.0★ (14)NoNoAug 2026
2Sleep Calculator +Sleep Calculator +Free was $0.995.0★ (1)NoNoSep 2026
3Sleep Calculator ProSleep Calculator ProFree5.0★ (75)NoNoAug 2026
4sleepytime calculatorsleepytime calculatorFree4.9★ (13)NoYesAug 2026
5Sleepzy - Sleep Cycle TrackerSleepzy - Sleep Cycle TrackerFree4.3★ (22K)YesYesSep 2026
6Sleep Calculator AppSleep Calculator AppFree3.0★ (2)YesYesAug 2026
7Sleep CalculatorSleep CalculatorFree4.7★ (19)NoNoAug 2026
8Sleep Time CalculatorSleep Time CalculatorFree3.7★ (22)NoNoMay 2026

Top Picks for Sleep Calculator Plus

Sleep Calculator Plus#1

Sleep Calculator Plus by Kevin Hausen

Optimize sleep cycles
Editor's Choice
🔧 Utilities
5.0(14 ratings)
Free
Sleep Calculator Plus screenshot 1
Sleep Calculator Plus screenshot 2
Sleep Calculator Plus screenshot 3

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 +#2

Sleep Calculator + by ICSR Tech LLC

Find Your Perfect Sleep Time
Strong Contender
🔍 Reference
5.0(1 ratings)
Free
Sleep Calculator + screenshot 1
Sleep Calculator + screenshot 2
Sleep Calculator + screenshot 3

This app calculates your ideal bedtime and wake-up times using a 90-minute sleep cycle theory. It features a night-friendly interface and offers professional sleep advice to help you wake up refreshed.

Sleep Calculator Pro#3

Sleep Calculator Pro by DealWatch24 LLC

Worth Considering
💪 Health & Fitness
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 Calculator Plus apps to explore

FAQ about Sleep Calculator Plus

What are the best sleep calculator plus apps for iPhone?
Sleep Calculator Plus tops our sleep calculator plus apps ranking as of August 2026, with a 5.0-star average from 14 App Store ratings, and it's free to download.
Yes — 20 of the top sleep calculator plus apps we rank are free to download, including Sleep Calculator Plus and Sleep Calculator +.
Sleep Calculator Plus has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 245+ sleep calculator plus apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Sleep Calculator Plus factors in approximately 15 minutes to fall asleep and then calculates ideal sleep times based on complete 90-minute sleep cycles. It suggests optimal bedtimes for a desired wake-up time or the best wake-up times if you are going to bed now.
Sleep Calculator Plus is based on the principle of natural 90-minute sleep cycles. The app helps users wake up between these cycles to promote a feeling of being refreshed.