Comparison

Sleep++ vs Sleep Cycle Bedtime Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sleep++

This app automatically tracks your sleep duration and quality using your Apple Watch. Gain insights into your rest patterns to improve your sleep routines. Offers both automatic and manual tracking options for personalized control.

Highlights
  • Automatic sleep tracking
  • Sleep duration measurement
  • Sleep quality analysis
  • Manual sleep tracking
  • Health App integration
  • Detailed nightly reports
Read full description

Use your Apple Watch to AUTOMATICALLY track your sleep! Sleep++ takes advantage of the motion and health monitoring capabilities of your Apple Watch to measure both the duration and quality of your sleep. The better you understand how well you are sleeping the more you are able to make changes in your routines to benefit your rest. Simply wear your Apple Watch overnight and each morning Sleep++ will analyze your sleep and give you a report about how long and restfully you slept. NOTES: Sleep++ integrates with the Health App providing you a safe and private way to share your activity data with Sleep++. This data is used for automatic sleep tracking. You can also optionally have Sleep++ save your Sleep Analysis into your Health database after each night.

About

Sleep Cycle Bedtime Calculator

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.

Highlights
  • Calculate optimal wake-up times
  • Calculate optimal bedtime
  • Based on 90-minute sleep cycles
  • Supports 5-6 sleep cycles
  • Customizable fall asleep time
  • Apple Watch support
Features
Read full description

Plan your bedtime, calculate wake-up options, and explore your sleep history with Sleep Calc for iPhone and Apple Watch. No account or sign-up required. Find a time that fits Enter your wake-up time to see bedtime options, or enter your bedtime to see wake-up options. Adjust the time you need to fall asleep and the range of sleep cycles shown. Calculate on Apple Watch Check bedtime and wake-up options from your wrist. Your calculator settings sync between your iPhone and paired Apple Watch. Review your sleep history Connect Apple Health to view sleep records from your Apple Watch or other compatible apps. Explore your sleep duration, bedtime consistency, interruptions and Sleep Scores with summaries and charts. The most recent 14 days are available for free. Full available sleep history requires Sleep Calc Pro. Set bedtime and wake-up alarms Create alarms from your calculated times, edit their times and labels, choose repeat days and select an alarm sound. Requires Sleep Calc Pro and an iPhone or iPad running iOS 26 or iPadOS 26 or later. Purchases and subscriptions Additional paid features are available through one-time purchases and auto-renewable subscriptions. Available options, included features, and prices are shown in the app before purchase. Subscriptions renew automatically unless canceled. You can manage or cancel them in your App Store account settings. About the estimates The calculator uses fixed 90-minute cycle estimates; actual sleep cycles vary. It does not measure or predict your sleep stages. Sleep Scores summarize the sleep data available in Apple Health and are not a medical assessment. Privacy Policy: https://sleepcycles.carrd.co/#privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sleep++4 screens
Sleep Cycle Bedtime Calculator3 screens

Verdict

The call

Sleep++ and Sleep Cycle Bedtime Calculator both sit at 4.1 stars, but that hides the real split: 80% of Sleep Cycle Bedtime Calculator's written reviews are positive against 39% of Sleep++'s. Sleep Cycle Bedtime Calculator also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). Sleep++'s advantage is ratings volume (5.7K vs 303). On price, rating, update cadence and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sleep++ sells 1 one-off in-app purchase and Sleep Cycle Bedtime Calculator sells 3 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.1 for Sleep++ against 4.1 for Sleep Cycle Bedtime Calculator. That said, the two scores are not equally well evidenced: Sleep++ has 5.7K ratings behind it against 303, so its average is the more settled of the two. Written reviews are what separate them: 39% of Sleep++'s written reviews are positive against 80% of Sleep Cycle Bedtime Calculator's.

UpkeepUpdate frequency

Sleep++ ships an update every 2 months, Sleep Cycle Bedtime Calculator every 3 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Sleep++ versus Sleep Cycle Bedtime Calculator: the parameters behind the verdict, then further details
ParameterSleep++Sleep Cycle Bedtime Calculator
PriceFreeFree
Rating4.1 (5.7K ratings)4.1 (303 ratings) — better
Positive reviews38.6% of reviews80.0% of reviews — better
Number of ratings5.7K — better303
Update frequencyEvery 2 months — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad, Apple Watch — better
Requires iOS26.018.0 — better
Further details — not scored
Size11 MB35 MB
Age rating4+4+
DeveloperCross Forward Consulting, LLCKai Oelfke

Customer experience

Sleep++

All ratings5,653 ratings
Positive76.2%
Neutral9.0%
Negative14.8%
Written reviews868 reviews
Positive38.6%
Neutral15.8%
Negative45.6%

Sleep Cycle Bedtime Calculator

All ratings300 ratings
Positive77.3%
Neutral5.3%
Negative17.3%
Written reviews80 reviews
Positive80.0%
Neutral3.8%
Negative16.3%

User reviews

Sleep++

From 5.7K App Store ratings

What we love

  • 🚀 Great tracking
  • 👍 Easy to use
  • 💡 Detailed sleep data
  • 👍 Accurate
  • 🚀 Works perfectly with Apple Watch

Room to improve

  • 🐛 No deeper analysis beyond health app data
  • 🐛 Inconsistent output from night to night
  • 🐛 Requires going to bed at the same time every day
  • 🐛 Fails to account for menstrual cycle changes
  • 🐛 Stops working after updates

Sleep Cycle Bedtime Calculator

From 303 App Store ratings

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

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

Bugs and requests

Sleep++

Reported bugs

4 issues
  • Doubles data on some nights
  • Misses some nights of sleep
  • Incorrectly records awake time as sleep
  • Stops working after iOS updates

Requested features

5 requests
  • Add sleep diary
  • Include pre-sleep factors
  • Graph core sleep, deep sleep, and REM over time
  • Add alarm that wakes during light sleep
  • Integrate with Fitbit data

Sleep Cycle Bedtime Calculator

Reported bugs

5 issues
  • Touch screen unresponsive
  • App settings reset upon closing
  • Alarm goes off at unintended times
  • Skips certain time slots in calculations
  • Confusing icon similarity with Apple Watch app

Requested features

9 requests
  • Add graphs and visual data representations
  • Integrate with Apple Health or Fitbit data
  • Display number of sleep cycles achieved
  • Built-in alarm functionality
  • Persist settings when closing app
Show 4 more
  • Multi-language support
  • Detailed sleep analysis and personalized insights
  • Larger, more detailed charts for phone display
  • Calculate wake time from current time

In-app purchases

1 purchases

Sleep++

One-time1
  • Support Development$1.99
3 purchases

Sleep Cycle Bedtime Calculator

Subscriptions2
  • SleepCalc Pro Yearly3 Days trial$4.991 Year
  • SleepCalc Pro Yearly$4.991 Year
One-time1
  • SleepCalc Pro2 variants$9.99

Questions

Is Sleep++ free?
Sleep++ is free to download, with in-app purchases available.
Is Sleep Cycle Bedtime Calculator free?
Sleep Cycle Bedtime Calculator is free to download, with in-app purchases available.
Which has better reviews, Sleep++ or Sleep Cycle Bedtime Calculator?
Sleep Cycle Bedtime Calculator is rated higher. Sleep++ averages 4.1 out of 5 from 5.7K ratings, while Sleep Cycle Bedtime Calculator averages 4.1 from 303 ratings.
Do Sleep++ or Sleep Cycle Bedtime Calculator have ads?
Sleep++ shows ads; Sleep Cycle Bedtime Calculator does not.
Which is updated more often, Sleep++ or Sleep Cycle Bedtime Calculator?
Sleep++ ships an update every 2 months, and Sleep Cycle Bedtime Calculator every 3 months. Most recently, Sleep++ was updated on October 25, 2026 and Sleep Cycle Bedtime Calculator on October 24, 2026.

Other comparisons