# ONX + Amelia vs Studio Sunna

The clearest difference is rating: Studio Sunna at 5.0 against ONX + Amelia's 3.7. On price, ratings volume, update cadence and ads there is nothing between them.

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

Studio Sunna holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

ONX + Amelia ships an update every 6 weeks, Studio Sunna every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | ONX + Amelia | Studio Sunna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/onx-plus-amelia/id1587893378/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/studio-sunna/id6744676351/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 193 MB | 193 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ONX and Amelia LLC](https://appshunter.io/developer/1587893380) | [Studio Sunna, LLC](https://appshunter.io/developer/1808858001) |

## What reviewers say

### ONX + Amelia

[App page](https://appshunter.io/ios/app/onx-plus-amelia/id1587893378)

Easily view the latest class schedules, register for sessions, and handle payments. This application aims to streamline the process of booking and paying for classes.

**Highlights:** View up-to-date class schedules, Register for classes, Pay for classes, Easy class booking

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

**In-app purchases:** none


### Studio Sunna

[App page](https://appshunter.io/ios/app/studio-sunna/id6744676351)

Easily plan and schedule your fitness classes directly from your mobile device. View class schedules, sign up for sessions, and find the studio's location. Optimize your time and convenience for class bookings.

**Highlights:** View class schedules, Sign up for classes, View studio location, Optimize time, Maximize convenience

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

**In-app purchases:** none


## Frequently asked questions

### Is ONX + Amelia free?

ONX + Amelia is free to download, with no in-app purchases.

### Is Studio Sunna free?

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

### Which has better reviews, ONX + Amelia or Studio Sunna?

Studio Sunna is rated higher. ONX + Amelia averages 3.7 out of 5 from 3 ratings, while Studio Sunna averages 5.0 from 2 ratings.

### Do ONX + Amelia or Studio Sunna have ads?

Neither ONX + Amelia nor Studio Sunna shows ads.

### Which is updated more often, ONX + Amelia or Studio Sunna?

ONX + Amelia ships an update every 6 weeks, and Studio Sunna every 2 months. Most recently, ONX + Amelia was updated on October 24, 2026 and Studio Sunna on October 24, 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.*