# Sleep Central vs Rem

The clearest difference is in-app purchases: Sleep Central at none against Rem's 8. Sleep Central also leads on iOS requirement (7.0 vs 16.0). Rem's advantage is review sentiment (38% vs 6%) and ratings volume (2.7K vs 2). On price, rating, update cadence and ads there is nothing between them.

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

Rem holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: Rem has 2.7K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 6% of Sleep Central's written reviews are positive against 38% of Rem's.

Sleep Central ships an update every 5 weeks, Rem every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sleep Central | Rem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/sleep-central/id1132102655/reviews) | **[4.2 (2.7K ratings)](https://appshunter.io/ios/app/rem-auto-sleep-tracker-watch/id1534499292/reviews)** |
| Number of ratings | 2 | **2.7K** |
| Positive reviews | 6.3% of reviews | **37.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 51 MB | 102 MB |
| Requires iOS | **7.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 12+ | 12+ |
| Developer | [Shenzhen Medica Technology Development Co., Ltd.](https://appshunter.io/developer/928761012) | [WELLBEINE TECHNOLOGIES INC](https://appshunter.io/developer/1529157912) |

## What reviewers say

### Sleep Central

[App page](https://appshunter.io/ios/app/sleep-central/id1132102655)

This app helps you improve your sleep with a smart alarm, sleep aid features, and detailed monitoring. It provides suggestions for better sleep and integrates with Apple Health to track your sleep data.

**Highlights:** Sleep aid with light and music, Smart alarm for optimal wake-up times, Accurate sleep monitoring, Targeted improvement suggestions, Apple Health integration

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Sleep Central free?

Sleep Central 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, Sleep Central or Rem?

Rem is rated higher. Sleep Central averages 4.0 out of 5 from 2 ratings, while Rem averages 4.2 from 2.7K ratings.

### Do Sleep Central or Rem have ads?

Neither Sleep Central nor Rem shows ads.

### Which is updated more often, Sleep Central or Rem?

Sleep Central ships an update every 5 weeks, and Rem every 6 weeks. Most recently, Sleep Central was updated on November 2, 2026 and Rem on November 3, 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.*