# Eight Sleep vs RLT SYSTEM

The clearest difference is rating: Eight Sleep at 4.8 against RLT SYSTEM's 3.0. Eight Sleep also leads on review sentiment (28% vs 0%) and ratings volume (17K vs 2). RLT SYSTEM's advantage is in-app purchases (none vs 4) and iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Eight Sleep sells 4 in-app purchases, starting at $10.00 per month. RLT SYSTEM asks for nothing beyond the download.

Eight Sleep holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Eight Sleep has 17K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 28% of Eight Sleep's written reviews are positive against 0% of RLT SYSTEM's.

## The numbers

| Metric | Eight Sleep | RLT SYSTEM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17K ratings)](https://appshunter.io/ios/app/eight-sleep/id1086913845/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/rlt-system/id6448385441/reviews) |
| Number of ratings | **17K** | 2 |
| Positive reviews | **28.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 245 MB | 13 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Eight Sleep, Inc](https://appshunter.io/developer/1105586839) | [中玲 曹](https://appshunter.io/developer/1682161709) |

## What reviewers say

### Eight Sleep

[App page](https://appshunter.io/ios/app/eight-sleep/id1086913845)

This intelligent sleep system actively manages your sleep environment by adjusting temperature and elevation. It tracks detailed sleep metrics and provides personalized insights to help you wake up feeling refreshed. The system supports individual sleep profiles for multiple users.

**Highlights:** Personalized temperature control, Automatic elevation adjustments, Sleep stage tracking, Heart rate and HRV monitoring, Snoring detection, Gentle wake-up alarms, Dual sleep profiles

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 8+ Standard (Monthly) | $10.00 | per month |
| 8+ Pro (Monthly) | $18.99 | per month |
| 8+ Standard (Annual) | $96.00 | per year |
| 8+ Pro (Annual) | $179.99 | per year |

**What reviewers like**

- 🚀 Amazing sleep quality
- 🌡️ Effective temperature control
- 📊 Detailed sleep tracking
- 🤖 Helpful AI features
- 🏆 Great customer service

**What reviewers complain about**

- 🐛 Buggy app with frequent crashes
- 🔌 Requires constant internet connection
- 🕰️ Alarm and temperature controls not intuitive
- 🔄 Inconsistent sleep data and metrics
- 💰 Expensive with mandatory subscription

**Reported bugs**

- App freezes and loses connection to pod
- Alarms not working or turning off properly
- Temperature settings not saving or resetting
- Sleep data not syncing or displaying accurately
- Frequent app crashes and performance issues

**Requested features**

- Apple Watch app integration
- Offline temperature/alarm controls
- Customizable sleep tracking and insights
- Improved alarm snooze/dismiss functionality
- Nap mode and more sleep schedule flexibility


### RLT SYSTEM

[App page](https://appshunter.io/ios/app/rlt-system/id6448385441)

Control smart lamps within a 5-meter radius using Bluetooth broadcast signals. Adjust on/off status, brightness, runtime, and pulse frequency. The system executes the last received command when multiple apps are connected.

**Highlights:** Bluetooth broadcast signal control, Lamp on/off functionality, Brightness adjustment, Runtime setting, Pulse frequency control, Last command execution

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eight Sleep free?

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

### Is RLT SYSTEM free?

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

### Which has better reviews, Eight Sleep or RLT SYSTEM?

Eight Sleep is rated higher. Eight Sleep averages 4.8 out of 5 from 17K ratings, while RLT SYSTEM averages 3.0 from 2 ratings.

### Do Eight Sleep or RLT SYSTEM have ads?

Neither Eight Sleep nor RLT SYSTEM shows ads.

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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.*