# SleepMapper vs Rem

The clearest difference is rating: SleepMapper at 4.7 against Rem's 4.2. SleepMapper also leads on in-app purchases (none vs 8). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Rem sells 8 in-app purchases, starting at $4.99 per month. SleepMapper asks for nothing beyond the download.

SleepMapper holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 3.8K and 2.7K respectively. Written reviews complicate that: 30% of SleepMapper's written reviews are positive against 38% of Rem's, so the app with the better star average is not the one people write more warmly about.

SleepMapper ships an update every 2 months, Rem every 6 weeks. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SleepMapper | Rem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.8K ratings)](https://appshunter.io/ios/app/sleepmapper/id1258577276/reviews)** | [4.2 (2.7K ratings)](https://appshunter.io/ios/app/rem-auto-sleep-tracker-watch/id1534499292/reviews) |
| Number of ratings | **3.8K** | 2.7K |
| Positive reviews | 30.2% of reviews | **37.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 193 MB | 102 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Philips](https://appshunter.io/developer/355645429) | [WELLBEINE TECHNOLOGIES INC](https://appshunter.io/developer/1529157912) |

## What reviewers say

### SleepMapper

[App page](https://appshunter.io/ios/app/sleepmapper/id1258577276)

This app enhances sleep quality by connecting with smart headbands and wake-up lights. It tracks sleep stages, provides soothing audio, and offers smart alarms to improve daytime energy and promote a refreshed awakening.

**Highlights:** Deep sleep enhancement with audio tones, Sleep stage tracking, Smart alarm for gentle waking, Bedroom environment monitoring, Guided wind-down feature, HealthKit integration

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent wake-up light
- 🌙 Helps with sleep
- 👍 Customizable settings
- 🌞 Simulates sunrise/sunset

**What reviewers complain about**

- 🐛 Connectivity issues with app
- 🔌 Unreliable WiFi connection
- 📱 App is buggy and unstable
- 🕰️ Difficult to set up and use

**Reported bugs**

- App won't connect to device
- Alarm settings not saving
- Frequent disconnections and need to reset
- App crashes on launch

**Requested features**

- Integrate with smart home platforms
- Add more sound/music options
- Improve sleep tracking and data analysis
- Allow remote control from anywhere


### Rem

[App page](https://appshunter.io/ios/app/rem-auto-sleep-tracker-watch/id1534499292)

This app automatically tracks your sleep cycles using your Apple Watch, providing detailed analysis of your sleep patterns. It offers insights into sleep quality, disruptions, and heart rate, helping you understand and improve your rest.

**Highlights:** Automatic sleep tracking, Sleep pattern analysis, Snore detection, Sleep score and breakdown, Heart rate analysis, Smart alarm clock

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| 3 Month Subscription | $19.49 | per 3 months |
| 6 Month Subscription | $25.99 | per 6 months |
| Yearly Subscription | $29.99 | per year |
| Yearly Subscription | $29.99 | per year |
| Rem Premium | $29.99 | per year |
| Yearly Subscription | $59.99 | per year |
| Lifetime Subscription | $49.99 | one-time |

**What reviewers like**

- 🚀 Accurate sleep tracking
- 📊 Detailed sleep data
- 🔍 Helpful for monitoring sleep issues
- 👍 Simple and intuitive interface
- 💤 Tracks naps

**What reviewers complain about**

- 🐛 Inconsistent data recording
- ⏰ Inaccurate sleep/wake times
- 💰 Expensive subscription
- 🔇 Snoring/noise tracking not working
- 🔄 Changing/inconsistent sleep results

**Reported bugs**

- App crashes or freezes
- Disconnection issues with Apple Watch
- Lack of customer support responsiveness

**Requested features**

- Historical sleep data and trends
- Ability to edit sleep times
- Improved smart alarm functionality
- Better integration with Apple Health
- More customization options


## Frequently asked questions

### Is SleepMapper free?

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

### Is Rem free?

Rem is free to download, with in-app purchases available.

### Which has better reviews, SleepMapper or Rem?

SleepMapper is rated higher. SleepMapper averages 4.7 out of 5 from 3.8K ratings, while Rem averages 4.2 from 2.7K ratings.

### Do SleepMapper or Rem have ads?

Neither SleepMapper nor Rem shows ads.

### Which is updated more often, SleepMapper or Rem?

SleepMapper ships an update every 2 months, and Rem every 6 weeks. Most recently, SleepMapper was updated on October 18, 2026 and Rem on October 14, 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.*