# Eight Sleep vs 米斐AI智选系统

The clearest difference is in-app purchases: 米斐AI智选系统 at none against Eight Sleep's 4. 米斐AI智选系统 also leads on iOS requirement (12.0 vs 17.0). Eight Sleep's advantage is update cadence (every 3 days vs every 11 months). 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. 米斐AI智选系统 asks for nothing beyond the download.

Eight Sleep ships an update every 3 days, 米斐AI智选系统 every 11 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Eight Sleep | 米斐AI智选系统 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (18K ratings)](https://appshunter.io/ios/app/eight-sleep/id1086913845/reviews)** | — |
| Number of ratings | **18K** | — |
| Positive reviews | 28.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 253 MB | 93 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 12+ | 4+ |
| Developer | [Eight Sleep, Inc](https://appshunter.io/developer/1105586839) | [Shenzhen Yunzhimian Technology Co., Ltd](https://appshunter.io/developer/1457932494) |

## 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


### 米斐AI智选系统

[App page](https://appshunter.io/ios/app/ai/id1669687229)

**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 米斐AI智选系统 free?

米斐AI智选系统 is free to download, with no in-app purchases.

### Do Eight Sleep or 米斐AI智选系统 have ads?

Neither Eight Sleep nor 米斐AI智选系统 shows ads.

### Which is updated more often, Eight Sleep or 米斐AI智选系统?

Eight Sleep ships an update every 3 days, and 米斐AI智选系统 every 11 months. Most recently, Eight Sleep was updated on October 24, 2026 and 米斐AI智选系统 on October 19, 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.*