SleepTrack vs REM Sleep Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SleepTrack
Easily log your sleep duration and wake times. Gain insights into your sleeping habits with detailed reviews and averages. The app offers guidance to help identify good or bad sleep patterns and integrates with Apple Watch and HealthKit.
- Track time in bed
- Log go-to-bed and wake-up times
- Review sleep duration
- Trace sleeping habits
- Detect good/bad sleep
- Review sleep averages
- Apple Watch integration
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Feeling sleepy again? Would you like to take your sleep time under control? Or you are just curious? Introducing - SleepTrack. This app will allow you to track how much time you spend in bed, provide an overview of your "go to bed" times and time when you awake. Tap Sleep before going to bed - tap Awake when you woke up and this is it. - Review your sleep duration - Trace your sleeping habits - Guides to help you detect good or bad sleep - Review your sleep Averages to determine your next goals - Handy notification center widget - SleepTrack is also on Apple Watch for even better control - Sync your data with Health app using Health Kit integration and sync *** Please note that currently developers are not able to use sensors in Apple Watch so app currently will help you track your asleep time.
REM Sleep Tracker
This app analyzes Apple Watch sensor data to provide a sleep quality score. It offers detailed insights into sleep stages, heart rate, and weekly trends, helping users understand and improve their rest habits.
- Sleep quality scoring
- Detailed sleep stage analysis (light, deep, REM)
- Heart rate monitoring
- Weekly trend tracking
- Sleep bank concept for habit analysis
- Apple Health integration
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Sleep Monitor is the perfect app for people eager to enhance the quality of their nighttime rest. Thanks to an advanced algorithm, Sleep Monitor processes the data gathered by your Apple Watch sensors to provide you with an overall score representing the quality of your sleep. This innovative app offers a detailed analysis of the different sleep stages, monitoring light, deep, and REM sleep cycles, and providing information about your heart rate throughout the night. Additionally, Sleep Monitor allows you to track your progress with the "sleep bank" concept, a repository of your rest data that helps you better understand your habits and identify any issues. With Sleep Monitor, you can also monitor the weekly trends of various parameters, such as sleep duration, rest quality, and time spent in each sleep stage. This valuable information will enable you to make targeted lifestyle changes to improve your nighttime rest. Don't miss the opportunity to transform your Apple Watch into a powerful tool for better sleep and waking up more rejuvenated each day. Sleep Monitor is the ideal app for those seeking an ally in sleep management, with an intuitive design and a rich array of features. Download Sleep Monitor today and begin your journey towards more restful and regenerative sleep. Maximize the potential of your Apple Watch and discover how quality rest can improve your daily life! HealthKit Integrated with Apple Health for sleep stages, heart rate, respiratory frequency, age and gender data to calculate sleep quality. Sleep Monitor Premium Sleep Monitor offers a Premium version available as an auto-renewable subscription. Payment will be charged to iTunes Account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period at the rate of your selected plan above. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings on the device. Once purchased, refunds will not be provided for any unused portion of the term. Privacy policy: http://app.sleepscoreapp.com/Home/Privacy Terms of use: http://app.sleepscoreapp.com/Home/Terms
Screenshots
Verdict
The clearest difference is review sentiment: SleepTrack at 38% against REM Sleep Tracker's 0%. SleepTrack also leads on in-app purchases (none vs 2) and device support (3 vs 1). REM Sleep Tracker's advantage is update cadence (every 2 weeks vs monthly) and rating (4.2 vs 4.0). On price and ads 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
Both are free to download. REM Sleep Tracker sells 2 in-app purchases, starting at $9.99 per year. SleepTrack asks for nothing beyond the download.
REM Sleep Tracker holds the better App Store score, 4.2 against 4.0. Both are backed by a comparable volume of ratings — 16 and 49 respectively. Written reviews complicate that: 38% of SleepTrack's written reviews are positive against 0% of REM Sleep Tracker's, so the app with the better star average is not the one people write more warmly about.
SleepTrack ships an update monthly, REM Sleep Tracker every 2 weeks. Both last shipped on October 24, 2026.
| Parameter | SleepTrack | REM Sleep Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (16 ratings) | 4.2 (49 ratings) — better |
| Positive reviews | 37.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 16 | 49 — better |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | a3team | Nicola Eusebi |
Customer experience
SleepTrack
REM Sleep Tracker
Bugs and requests
SleepTrack
Reported bugs
10 issues- App not updated for newer iOS/watchOS versions
- Data not transferred to new phone
- Cannot see 'awake' button in the morning
- Sleep not recorded if less than 15 minutes
- App crashes or doesn't work
Show 5 moreShow fewer
- No data recorded
- Watch app doesn't work or is useless
- Sleep timer can be accidentally deactivated
- Time zone issues when traveling
- Sleep data is confusing
Requested features
14 requests- Option to change time format to AM/PM
- Ability to add notes (e.g., how felt next day)
- Option to record short naps
- Export data to CSV
- Sleep reminder
Show 9 moreShow fewer
- Weekly/monthly graphs
- Icon on the badge for forgotten stops
- Time Zone adaptation for travel
- Option to edit clock for easier reading
- Add a number for cumulative sleep over 24 hours
- Change log entry section color
- Change color when entering sleep mode
- Auto-sync with Health app
- Make minimum sleep duration optional
REM Sleep Tracker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SleepTrack
No in-app purchases
REM Sleep Tracker
- Sleep Score Premium Yearly$9.991 Year
- Sleep Score Premium Yearly7 Days trial$29.991 Year
Questions
Is SleepTrack free?
Is REM Sleep Tracker free?
Which has better reviews, SleepTrack or REM Sleep Tracker?
Do SleepTrack or REM Sleep Tracker have ads?
Which is updated more often, SleepTrack or REM Sleep Tracker?
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