# SleepMatic vs REM Sleep Tracker

The clearest difference is review sentiment: SleepMatic at 48% against REM Sleep Tracker's 0%. SleepMatic also leads on in-app purchases (none vs 2) and ratings volume (8.8K vs 49). REM Sleep Tracker's advantage is price (Free vs $1.99) and update cadence (every 2 weeks vs monthly). On ads and iOS requirement there is nothing between them.

REM Sleep Tracker is free to download; SleepMatic costs $1.99 up front. REM Sleep Tracker sells 2 in-app purchases, starting at $9.99 per year. SleepMatic asks for nothing beyond the download.

SleepMatic holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: SleepMatic has 8.8K ratings behind it against 49, so its average is the more settled of the two. Written reviews point the same way: 48% of SleepMatic's written reviews are positive against 0% of REM Sleep Tracker's.

SleepMatic ships an update monthly, REM Sleep Tracker every 2 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SleepMatic | REM Sleep Tracker |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.4 (8.8K ratings)](https://appshunter.io/ios/app/sleepmatic-sleep-tracker/id1179236591/reviews)** | [4.2 (49 ratings)](https://appshunter.io/ios/app/rem-sleep-tracker/id6446677275/reviews) |
| Number of ratings | **8.8K** | 49 |
| Positive reviews | **48.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 23 MB | 25 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vimo Labs Inc.](https://appshunter.io/developer/726289669) | [Nicola Eusebi](https://appshunter.io/developer/737311863) |

## What reviewers say

### SleepMatic

[App page](https://appshunter.io/ios/app/sleepmatic-sleep-tracker/id1179236591)

Automatically track your sleep cycles and naps using your Apple Watch. Wake up to detailed sleep analysis, including when you fall asleep and wake up. Log your sleep patterns with notes and hashtags to identify trends and factors affecting your rest.

**Highlights:** Automatic sleep tracking, All-day and nap tracking, Tunable detection sensitivity, Detailed sleep analysis, Add notes and hashtags, Manual sleep editing, HealthKit integration

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate sleep tracking
- 💡 Helpful for monitoring sleep patterns
- 👍 Integrates well with Apple Health
- 👍 Detailed sleep data and insights

**What reviewers complain about**

- 🐛 Inaccurate sleep detection
- 🐛 Crashes when viewing trends
- 🐛 Fails to detect some wake-ups
- 🔋 High battery consumption
- 🤔 Difficult to customize settings

**Reported bugs**

- App crashes when trying to view previous sleep data
- Inconsistent sleep tracking, sometimes registers inactivity as sleep
- Fails to sync sleep data to Apple Health on some occasions

**Requested features**

- Add ability to manually edit sleep data
- Improve trend and history visualization
- Implement automatic bedtime/wake up detection
- Provide more customization options


### 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 SleepMatic free?

SleepMatic costs $1.99, 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, SleepMatic or REM Sleep Tracker?

SleepMatic is rated higher. SleepMatic averages 4.4 out of 5 from 8.8K ratings, while REM Sleep Tracker averages 4.2 from 49 ratings.

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

Neither SleepMatic nor REM Sleep Tracker shows ads.

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

SleepMatic ships an update monthly, and REM Sleep Tracker every 2 weeks. Most recently, SleepMatic was updated on October 28, 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.*