# SleepImage vs SomnologyMD

The clearest difference is review sentiment: SomnologyMD at 100% against SleepImage's 30%. SomnologyMD also leads on rating (5.0 vs 3.1). SleepImage's advantage is ratings volume (186 vs 6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SomnologyMD holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: SleepImage has 186 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 30% of SleepImage's written reviews are positive against 100% of SomnologyMD's.

SleepImage ships an update monthly, SomnologyMD every 3 weeks. The most recent releases landed on October 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SleepImage | SomnologyMD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (186 ratings)](https://appshunter.io/ios/app/sleepimage/id1504760736/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/somnologymd/id1562152782/reviews)** |
| Number of ratings | **186** | 6 |
| Positive reviews | 30.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 27 MB | 237 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [SleepImage](https://appshunter.io/developer/1504760405) | [Somnology, Inc.](https://appshunter.io/developer/1437011497) |

## What reviewers say

### SleepImage

[App page](https://appshunter.io/ios/app/sleepimage/id1504760736)

This app records, transfers, and analyzes sleep quality data when paired with specific devices. It offers a simple, intuitive experience for understanding sleep diagnostics and empowering better health decisions. It is designed for reliability and accuracy, turning complex sleep information into actionable insights.

**Highlights:** Record sleep quality data, Transfer sleep data, Analyze sleep quality, Pair with SleepImage devices, Intuitive user experience, Actionable sleep insights

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easiest apnea testing method
- 👍 Comfortable and least obstructive
- 👍 Simple to use
- 👍 Game changer sleep study
- 👍 Excellent device

**What reviewers complain about**

- 🐛 Error messages on patient ID entry
- 🐛 Device disconnects frequently
- 🐛 Uploads get stuck
- 🐛 Data not received by clinic
- 🐛 Confusing setup instructions

**Reported bugs**

- Error messages when entering patient ID
- Device disconnects
- Uploads get stuck
- Data not received by sleep clinic
- App doesn't work on newer iPhones/Android

**Requested features**

- Notification for Bluetooth disconnection
- Notification for recording stoppage
- App continues to collect and sync data when closed
- Option to bypass email sign-up
- Improved customer service


### SomnologyMD

[App page](https://appshunter.io/ios/app/somnologymd/id1562152782)

Monitor your sleep patterns with real-time tracking and gain insights into your SpO₂ and heart rate. Receive detailed reports on your sleep stages and duration to understand and improve your rest.

**Highlights:** Real-time sleep tracking, SpO₂ monitoring, Heart rate insights, Detailed sleep reports, Sleep stages & duration analysis, Wearables support

**In-app purchases:** none


## Frequently asked questions

### Is SleepImage free?

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

### Is SomnologyMD free?

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

### Which has better reviews, SleepImage or SomnologyMD?

SomnologyMD is rated higher. SleepImage averages 3.1 out of 5 from 186 ratings, while SomnologyMD averages 5.0 from 6 ratings.

### Do SleepImage or SomnologyMD have ads?

Neither SleepImage nor SomnologyMD shows ads.

### Which is updated more often, SleepImage or SomnologyMD?

SleepImage ships an update monthly, and SomnologyMD every 3 weeks. Most recently, SleepImage was updated on October 29, 2026 and SomnologyMD on October 10, 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.*