# Styku vs Solius

The clearest difference is review sentiment: Solius at 100% against Styku's 56%. Solius also leads on in-app purchases (none vs 3) and rating (5.0 vs 4.7). Styku's advantage is ratings volume (250 vs 70) and iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Styku sells 3 in-app purchases, starting at $49.99 per 3 months. Solius asks for nothing beyond the download.

Solius holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 250 and 70 respectively. Written reviews point the same way: 56% of Styku's written reviews are positive against 100% of Solius's.

Styku ships an update monthly, Solius every 3 weeks. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Styku | Solius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (250 ratings)](https://appshunter.io/ios/app/styku/id1626065310/reviews) | **[5.0 (70 ratings)](https://appshunter.io/ios/app/solius/id6762333424/reviews)** |
| Number of ratings | **250** | 70 |
| Positive reviews | 55.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 69 MB | 325 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Styku LLC](https://appshunter.io/developer/1626065312) | [Solius Labs, Inc.](https://appshunter.io/developer/1314011843) |

## What reviewers say

### Styku

[App page](https://appshunter.io/ios/app/styku/id1626065310)

Visualize your body's transformation in 3D with advanced body scanning technology. Track key metrics beyond the scale, gain personalized wellness insights, and compare progress with dynamic side-by-side visuals. Understand your body's changes like never before.

**Highlights:** 3D body visualization, Wellness and shape insights, Track key body metrics, Compare scan progress, Non-invasive 3D scanning

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 3 Months Plan | $49.99 | per 3 months |
| Premium 6 Months Plan | $79.99 | per 6 months |
| Premium Annual Plan | $99.99 | per year |


### 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 Styku free?

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

### Is Solius free?

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

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

Solius is rated higher. Styku averages 4.7 out of 5 from 250 ratings, while Solius averages 5.0 from 70 ratings.

### Do Styku or Solius have ads?

Neither Styku nor Solius shows ads.

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

Styku ships an update monthly, and Solius every 3 weeks. Most recently, Styku was updated on September 24, 2026 and Solius on September 17, 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.*