# SleepTrack vs REM Sleep Tracker

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.

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.

## The numbers

| Metric | SleepTrack | REM Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (16 ratings)](https://appshunter.io/ios/app/sleeptrack-your-sleep-log/id987269039/reviews) | **[4.2 (49 ratings)](https://appshunter.io/ios/app/rem-sleep-tracker/id6446677275/reviews)** |
| Number of ratings | 16 | **49** |
| Positive reviews | **37.7% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 1 MB | 25 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [a3team](https://appshunter.io/developer/324331321) | [Nicola Eusebi](https://appshunter.io/developer/737311863) |

## What reviewers say

### SleepTrack

[App page](https://appshunter.io/ios/app/sleeptrack-your-sleep-log/id987269039)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Fast and efficient
- 🆓 No ads or subscriptions
- ✨ Clean and basic interface
- 📊 Good overview of sleep patterns

**What reviewers complain about**

- 🕰️ Only tracks time, not quality
- ⏱️ Essentially a manual timer
- ⌚ Doesn't utilize watch sensors
- 🤔 Requires manual start/stop
- ⏳ Outdated compared to modern apps

**Reported bugs**

- 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

**Requested features**

- 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


### REM Sleep Tracker

[App page](https://appshunter.io/ios/app/rem-sleep-tracker/id6446677275)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Score Premium Yearly | $9.99 | per year |
| Sleep Score Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is SleepTrack free?

SleepTrack is free to download, with no in-app purchases.

### Is REM Sleep Tracker free?

REM Sleep Tracker is free to download, with in-app purchases available.

### Which has better reviews, SleepTrack or REM Sleep Tracker?

REM Sleep Tracker is rated higher. SleepTrack averages 4.0 out of 5 from 16 ratings, while REM Sleep Tracker averages 4.2 from 49 ratings.

### Do SleepTrack or REM Sleep Tracker have ads?

Neither SleepTrack nor REM Sleep Tracker shows ads.

### Which is updated more often, SleepTrack or REM Sleep Tracker?

SleepTrack ships an update monthly, and REM Sleep Tracker every 2 weeks. Most recently, SleepTrack was updated on October 24, 2026 and REM Sleep Tracker on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*