Comparison

Sleep Time vs Sleepace

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

Sleepace

This app monitors your sleep patterns, offering professional suggestions to improve sleep quality and build healthy habits. It also provides ambient light and music to help you fall asleep faster and a smart alarm to wake you at the optimal time.

Highlights
  • Accurate sleep monitoring
  • Professional sleep suggestions
  • Ambient light and music sleep aid
  • Smart alarm for optimal wake-up
  • Apple Health integration
Features
Read full description

Sleepace focuses on sleep monitoring and sleep-aid, we have these 4 main features for you to create better sleep: 1. Sleep Monitoring Accurate sleep monitoring and professional suggestions to improve your sleep quality, and even to build up good sleep habit 2.Sleep-Aid Efficient ambient light (from our Nox series products) and music enable you to fall asleep quickly, over 85% of the testing participants give us positive feedback 3.Smart Alarm Our alarm is smart enough to wake you up in the most suitable time in the morning, so that you could fulfill healthy sleep cycle and feel refreshed 4.Apple Health You can upload your sleep data, including sleep time, fall asleep time, sleep score, sleep cycle, heart rate and breath rate, to Apple Health and benefit from easier registration with Apple Health data

Screenshots

Sleep Time4 screens
Sleepace4 screens

Verdict

The call

The clearest difference is review sentiment: Sleep Time at 76% against Sleepace's 21%. Sleep Time also leads on rating (4.7 vs 1.9) and ratings volume (5.4K vs 29). Sleepace's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price, update cadence and device support 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. Sleepace asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sleep Time holds the better App Store score, 4.7 against 1.9. That said, the two scores are not equally well evidenced: Sleep Time has 5.4K ratings behind it against 29, so its average is the more settled of the two. Written reviews point the same way: 76% of Sleep Time's written reviews are positive against 21% of Sleepace's.

UpkeepUpdate frequency

Sleep Time ships an update monthly, Sleepace every 2 months. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

Scorecard7 real differences · 3 level
Sleep Time versus Sleepace: the parameters behind the verdict, then further details
ParameterSleep TimeSleepace
PriceFreeFree
Rating4.7 (5.4K ratings) — better1.9 (29 ratings)
Positive reviews75.7% of reviews — better20.9% of reviews
Number of ratings5.4K — better29
Update frequencyMonthly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhoneiPhone, iPod — better
Requires iOS16.07.1 — better
Further details — not scored
Size185 MB59 MB
Age rating4+4+
DeveloperAzumio Inc.Shenzhen Medica Technology Development Co., Ltd.

Customer experience

Sleep Time

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

Sleepace

All ratings27 ratings
Positive18.5%
Neutral7.4%
Negative74.1%
Written reviews134 reviews
Positive20.9%
Neutral8.2%
Negative70.9%

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

Sleepace

Not enough reviews yet to summarise bugs or requests.

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
None

Sleepace

No in-app purchases

Questions

Is Sleep Time free?
Sleep Time is free to download, with in-app purchases available.
Is Sleepace free?
Sleepace is free to download, with no in-app purchases.
Which has better reviews, Sleep Time or Sleepace?
Sleep Time is rated higher. Sleep Time averages 4.7 out of 5 from 5.4K ratings, while Sleepace averages 1.9 from 29 ratings.
Do Sleep Time or Sleepace have ads?
Sleep Time shows ads; Sleepace does not.
Which is updated more often, Sleep Time or Sleepace?
Sleep Time ships an update monthly, and Sleepace every 2 months. Most recently, Sleep Time was updated on October 23, 2026 and Sleepace on October 22, 2026.

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