# Unstable! vs Supersonic Stepping Exercise

The clearest difference is rating: Supersonic Stepping Exercise at 5.0 against Unstable!'s 3.8. Supersonic Stepping Exercise also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

Supersonic Stepping Exercise holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

## The numbers

| Metric | Unstable! | Supersonic Stepping Exercise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/unstable/id1282444122/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/supersonic-stepping-exercise/id1432406680/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Ad-supported | **Free** |
| Size | 153 MB | 77 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Leonardo Amora](https://appshunter.io/developer/690988469) | [58works](https://appshunter.io/developer/475571546) |

## What reviewers say

### Unstable!

[App page](https://appshunter.io/ios/app/unstable/id1282444122)

Control a bar to defend falling balls from a central core. Collect power-ups to enhance your gameplay and see how long you can survive. Enjoy endless, casual fun with new levels and music.

**Highlights:** Defend falling balls, Move bar with touch/drag, Collect power-ups, Endless gameplay, New level, new song, Casual mechanics

**Features:** Vision Pro support

**In-app purchases:** none


### Supersonic Stepping Exercise

[App page](https://appshunter.io/ios/app/supersonic-stepping-exercise/id1432406680)

Test your reflexes by tapping buttons as fast as possible to achieve high scores. Choose your character and aim for the highest rank in this fast-paced rhythm game.

**Highlights:** Realistic 3D graphics, Character selection (Boy/Girl), Grading system from [E] to [SSS], Quick play sessions, Simple touch controls

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unstable! free?

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

### Is Supersonic Stepping Exercise free?

Supersonic Stepping Exercise is free to download, with no in-app purchases.

### Which has better reviews, Unstable! or Supersonic Stepping Exercise?

Supersonic Stepping Exercise is rated higher. Unstable! averages 3.8 out of 5 from 5 ratings, while Supersonic Stepping Exercise averages 5.0 from 2 ratings.

### Do Unstable! or Supersonic Stepping Exercise have ads?

Unstable! shows ads; Supersonic Stepping Exercise does not.

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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.*