# Eight Sleep vs OOLER

The clearest difference is in-app purchases: OOLER at none against Eight Sleep's 4. OOLER also leads on review sentiment (40% vs 28%) and iOS requirement (14.0 vs 17.0). Eight Sleep's advantage is update cadence (every 3 days vs every 4 weeks) and ratings volume (17K vs 3.1K). On price, rating, 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. OOLER asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Eight Sleep against 4.8 for OOLER. That said, the two scores are not equally well evidenced: Eight Sleep has 17K ratings behind it against 3.1K, so its average is the more settled of the two. Written reviews are what separate them: 28% of Eight Sleep's written reviews are positive against 40% of OOLER's.

Eight Sleep ships an update every 3 days, OOLER every 4 weeks. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Eight Sleep | OOLER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (17K ratings)](https://appshunter.io/ios/app/eight-sleep/id1086913845/reviews) | [4.8 (3.1K ratings)](https://appshunter.io/ios/app/ooler/id1381533477/reviews) |
| Number of ratings | **17K** | 3.1K |
| Positive reviews | 27.8% of reviews | **40.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 245 MB | 32 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Eight Sleep, Inc](https://appshunter.io/developer/1105586839) | [Sleepme Inc.](https://appshunter.io/developer/1381533476) |

## 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


### OOLER

[App page](https://appshunter.io/ios/app/ooler/id1381533477)

This app controls a smart sleep system that regulates your sleeping surface temperature for optimal rest. It allows for personalized schedules, temperature adjustments, and features like a gentle warming alarm to improve your sleep and wake routines.

**Highlights:** Adjustable mattress temperature (55-110°F), Personalized sleep schedules, Temperature variations for sleep, Warm Awake alarm feature, Adjustable fan speed modes

**In-app purchases:** none

**What reviewers like**

- 💤 Improved sleep quality
- ❄️ Effective cooling/heating
- 🌙 Warm wake-up feature
- 🌟 Life-changing product
- 🛌 Comfortable sleeping experience

**What reviewers complain about**

- 🐛 Buggy app with connectivity issues
- 🕰️ Unreliable scheduling/timer features
- 🚫 Requires account/login to use
- 💧 Lack of low water level notifications
- 📱 App needs more advanced functionality

**Reported bugs**

- App randomly resets temperature settings
- Schedules not working as expected
- Bluetooth connectivity issues
- App logging users out unexpectedly
- Water level monitoring not functioning properly

**Requested features**

- Add Celsius temperature display option
- Implement variable/customizable sleep schedules
- Integrate with smart home platforms (Alexa, HomeKit, etc.)
- Add automatic shut-off timer feature
- Improve app UI and user experience


## Frequently asked questions

### Is Eight Sleep free?

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

### Is OOLER free?

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

### Which has better reviews, Eight Sleep or OOLER?

Eight Sleep and OOLER are both rated 4.8 out of 5 on the App Store, from 17K and 3.1K ratings respectively.

### Do Eight Sleep or OOLER have ads?

Neither Eight Sleep nor OOLER shows ads.

### Which is updated more often, Eight Sleep or OOLER?

Eight Sleep ships an update every 3 days, and OOLER every 4 weeks. Most recently, Eight Sleep was updated on October 15, 2026 and OOLER on October 8, 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.*