# Eight Sleep vs SensifyAware

The clearest difference is rating: Eight Sleep at 4.8 against SensifyAware's 3.7. Eight Sleep also leads on update cadence (every 3 days vs every 3 weeks) and ratings volume (17K vs 35). SensifyAware's advantage is in-app purchases (none vs 4). On price, ads, device support and iOS requirement there is nothing between them.

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

Eight Sleep holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Eight Sleep has 17K ratings behind it against 35, 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 11% of SensifyAware's.

Eight Sleep ships an update every 3 days, SensifyAware every 3 weeks. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Eight Sleep | SensifyAware |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17K ratings)](https://appshunter.io/ios/app/eight-sleep/id1086913845/reviews)** | [3.7 (35 ratings)](https://appshunter.io/ios/app/sensifyaware/id1638890466/reviews) |
| Number of ratings | **17K** | 35 |
| Positive reviews | **28.0% of reviews** | 11.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 245 MB | 107 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Eight Sleep, Inc](https://appshunter.io/developer/1105586839) | [Sensify Inc](https://appshunter.io/developer/1666776813) |

## 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


### SensifyAware

[App page](https://appshunter.io/ios/app/sensifyaware/id1638890466)

This app helps you track your senses and cognitive functions to understand your brain health. It includes tests for smell, vision, hearing, memory, and language, with an optional kit for olfactory training. Gain insights into your brain's inner workings and identify potential early signs of neurodegenerative diseases.

**Highlights:** Sense and cognition tracking, Olfactory test modules, Fine motor skills evaluation, Memory and vocabulary tests, Language and grammar assessment, Optional scent training kit

**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 SensifyAware free?

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

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

Eight Sleep is rated higher. Eight Sleep averages 4.8 out of 5 from 17K ratings, while SensifyAware averages 3.7 from 35 ratings.

### Do Eight Sleep or SensifyAware have ads?

Neither Eight Sleep nor SensifyAware shows ads.

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

Eight Sleep ships an update every 3 days, and SensifyAware every 3 weeks. Most recently, Eight Sleep was updated on October 16, 2026 and SensifyAware on October 1, 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.*