Comparison

Sleep Time vs Sleep++

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

Head to head
About

Sleep Time

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.

Highlights
  • Smart alarm clock with single gesture setting
  • Sleep cycle analysis
  • Soundscapes and white noise for falling asleep
  • Detailed monthly and weekly sleep graphs
  • Apple Health integration
  • Instant Heart Rate integration
  • Cloud backup and restore
Features
Read full description

Fall asleep, stay asleep, and wake up refreshed! Sleep Time is a complete sleep tracker and smart alarm clock. Place your phone on the bed and Sleep Time analyzes your sleep cycles through the night, then wakes you during your lightest sleep within your chosen window — so you start the day rested instead of groggy. Trusted by over 35 million users, Sleep Time is an award-winning sleep app. ------------------ 5/5 “I finally understand why I wake up tired some mornings. Sleep Time showed me my sleep cycles, and the smart alarm has made my mornings so much easier — I haven’t hit snooze in weeks.” 5/5 “I’ve tried several apps that log sleep duration and stages, and the interface of Sleep Time is the best by far. It’s easy to understand and simple to use.” 5/5 “Fascinating results. It works remarkably well providing helpful information.” Featured on: TechCrunch, Mashable, Lifehacker, 148apps, eHealth, and many others. ----------------- MAIN FEATURES √ Set the alarm clock with a single gesture √ Fall asleep to soothing soundscapes and white noise √ Alarm rings even in silent mode √ Choose from 20 built-in alarm sounds √ Wake up to your favorite song from your music library √ Sleep Lab™ with light, deep, and REM sleep analysis √ Detailed daily, weekly, and monthly graphs √ Smart wake-up window for a gentler start to the day √ Full history makes night-to-night comparison easy √ Cloud backup and restore for your sleep data √ Clear, easy-to-read interface √ Apple Health integration We build Sleep Time for our users and would love your feedback. Tell us what you think so we can keep improving the app. Upgrade to Premium for unlimited soundscapes, advanced sleep insights, priority support, and an ad-free experience with an auto-renewable subscription. We offer auto-renewable subscriptions with the following terms: - Payment will be charged to your iTunes account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - No cancellation of the current subscription is allowed during active subscription period - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication - Our privacy policy and terms of use: https://www.azumio.com/page/privacypolicy Sweet Dreams, Azumio Team

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.

Screenshots

Sleep Time4 screens
Sleep++4 screens

Verdict

The call

The clearest difference is rating: Sleep Time at 4.7 against Sleep++'s 4.1. Sleep Time also leads on review sentiment (76% vs 39%) and update cadence (monthly vs every 2 months). On price, ratings volume, ads 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 Time sells 8 in-app purchases, starting at $4.99 per month and Sleep++ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sleep Time holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 5.4K and 5.7K respectively. Written reviews point the same way: 76% of Sleep Time's written reviews are positive against 39% of Sleep++'s.

UpkeepUpdate frequency

Sleep Time ships an update monthly, Sleep++ every 2 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Sleep Time versus Sleep++: the parameters behind the verdict, then further details
ParameterSleep TimeSleep++
PriceFreeFree
Rating4.7 (5.4K ratings) — better4.1 (5.7K ratings)
Positive reviews75.7% of reviews — better38.6% of reviews
Number of ratings5.4K5.7K — better
Update frequencyMonthly — betterEvery 2 months
AdsYesYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS16.0 — better26.0
Further details — not scored
Size185 MB11 MB
Age rating4+4+
DeveloperAzumio Inc.Cross Forward Consulting, LLC

Customer experience

Sleep Time

All ratings5,371 ratings
Positive93.6%
Neutral1.3%
Negative5.2%
Written reviews1,467 reviews
Positive75.7%
Neutral7.0%
Negative17.3%

Sleep++

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

User reviews

Sleep Time

From 5.4K App Store ratings

What we love

  • 👍 Generally a great free app
  • 👍 Accurate sleep tracking
  • 👍 Gentle alarm wakeup
  • 👍 Helpful for sleep insights
  • 👍 Dependable app for years

Room to improve

  • 🐛 Alarm doesn't always go off
  • 🔊 Loud ads that can't be closed
  • 🔋 Drains battery
  • 🤔 Inaccurate sleep tracking
  • 🐛 Crashes and bugs after updates

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

Bugs and requests

Sleep Time

Reported bugs

4 issues
  • Alarm not playing sound
  • App crashes when trying to view sleep history
  • Unable to change alarm time
  • Sleep data not recording properly

Requested features

4 requests
  • Allow alarm to play through headphones
  • Provide more sleep sound options in free version
  • Add ability to manually input sleep time
  • Improve ad placement and volume control

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

In-app purchases

8 purchases

Sleep Time

Subscriptions8
  • Premium$4.991 Month
  • Premium$8.991 Month
  • Premium$9.991 Month
Show 5 more
  • Premium7 Days trial2 variants$9.991 Month
  • Premium$19.993 Months
  • Premium$29.991 Year
  • Premium1 Month trial2 variants$29.991 Year
  • Premium$39.991 Year
1 purchases

Sleep++

One-time1
  • Support Development$1.99

Questions

Is Sleep Time free?
Sleep Time is free to download, with in-app purchases available.
Is Sleep++ free?
Sleep++ is free to download, with in-app purchases available.
Which has better reviews, Sleep Time or Sleep++?
Sleep Time is rated higher. Sleep Time averages 4.7 out of 5 from 5.4K ratings, while Sleep++ averages 4.1 from 5.7K ratings.
Do Sleep Time or Sleep++ have ads?
Both Sleep Time and Sleep++ show ads.
Which is updated more often, Sleep Time or Sleep++?
Sleep Time ships an update monthly, and Sleep++ every 2 months. Most recently, Sleep Time was updated on October 23, 2026 and Sleep++ on October 25, 2026.

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