# Somnee vs Solius

The clearest difference is rating: Solius at 5.0 against Somnee's 3.7. Solius also leads on monetization model (free vs paid) and review sentiment (100% vs 63%). Somnee's advantage is iOS requirement (15.1 vs 17.0). On price, ratings volume, 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.

Solius holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 71 and 70 respectively. Written reviews point the same way: 63% of Somnee's written reviews are positive against 100% of Solius's.

Somnee ships an update every 2 months, Solius every 3 weeks. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Somnee | Solius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (71 ratings)](https://appshunter.io/ios/app/somnee/id6445828473/reviews) | **[5.0 (70 ratings)](https://appshunter.io/ios/app/solius/id6762333424/reviews)** |
| Number of ratings | **71** | 70 |
| Positive reviews | 63.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 164 MB | 237 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [StimScience](https://appshunter.io/developer/1575603571) | [Solius Labs, Inc.](https://appshunter.io/developer/1314011843) |

## What reviewers say

### Somnee

[App page](https://appshunter.io/ios/app/somnee/id6445828473)

This app works with a smart headband to improve sleep quality using personalized neurostimulation and EEG tracking. It provides detailed sleep reports and insights to help you sleep faster, longer, and deeper.

**Highlights:** Personalized sleep neurostimulation, Clinical-grade EEG sleep tracking, Detailed sleep performance reports, AI sleep coach, Phone-free session start, Comfortable, breathable headband design

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

**In-app purchases:** none

**What reviewers like**

- 👍 Helps fall asleep faster
- 👍 Improves deep sleep quality
- 👍 Customer service is responsive and helpful
- 👍 App is easy to use
- 👍 Device is comfortable to wear

**What reviewers complain about**

- 🐛 App is buggy and unreliable
- 🐛 Device can be inaccurate in tracking sleep
- 🐛 Headband falls off frequently
- 🐛 Subscription model is mandatory and costly
- 🐛 Customer service can be unhelpful or evasive

**Reported bugs**

- App malfunctions and prevents use
- Sleep reports are delayed or unavailable
- Device asks for reset in the middle of the night but won't restart
- App stops tracking sleep if woken up and button is pressed
- Device inaccurately registers sleep patterns (e.g., REM sleep)

**Requested features**

- Add more sleep tones or meditation sounds
- Provide a better tutorial on data interpretation
- Improve headband design for comfort
- Offer bulk electrode sales
- Provide warranty on the headband


### Solius

[App page](https://appshunter.io/ios/app/solius/id6762333424)

This app pairs with a UVB light therapy device to deliver personalized doses of UVB light based on your skin tone. It offers guided sessions, reminders, and progress tracking for year-round health benefits. The device is FDA-cleared and requires no prescription.

**Highlights:** Personalized UVB dosing based on skin tone, FDA-cleared over-the-counter device, Short weekly sessions (approx. 5 minutes), Guided session setup and safety checks, Weekly reminders and progress tracking, Therapy history and trends

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

**In-app purchases:** none


## Frequently asked questions

### Is Somnee free?

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

### Is Solius free?

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

### Which has better reviews, Somnee or Solius?

Solius is rated higher. Somnee averages 3.7 out of 5 from 71 ratings, while Solius averages 5.0 from 70 ratings.

### Do Somnee or Solius have ads?

Neither Somnee nor Solius shows ads.

### Which is updated more often, Somnee or Solius?

Somnee ships an update every 2 months, and Solius every 3 weeks. Most recently, Somnee was updated on October 16, 2026 and Solius on October 18, 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.*