# Unstable! vs Code Burst

The clearest difference is rating: Code Burst at 5.0 against Unstable!'s 3.8. Code Burst also leads on ads (none vs shown) and update cadence (every 9 days vs every 4 months). Unstable!'s advantage is ratings volume (5 vs 1) and device support (3 vs 1). On price 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.

Code Burst holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Unstable! has 5 ratings behind it against 1, so its average is the more settled of the two.

Unstable! ships an update every 4 months, Code Burst every 9 days. The most recent releases landed on September 13, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Unstable! | Code Burst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/unstable/id1282444122/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/code-burst/id6747095878/reviews)** |
| Number of ratings | **5** | 1 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Ad-supported | **Free** |
| Size | 153 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Leonardo Amora](https://appshunter.io/developer/690988469) | [MFX Studios](https://appshunter.io/developer/344206779) |

## 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


### Code Burst

[App page](https://appshunter.io/ios/app/code-burst/id6747095878)

Engage your logic and deduction skills in this addictive puzzle game. Guess a secret code and use color-coded feedback to crack it. Offers multiple difficulty levels and progress tracking.

**Highlights:** Code-breaking logic puzzles, Multiple difficulty modes, Custom game challenges, Game Center integration, Detailed statistics and progress tracking, Share game results

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

**In-app purchases:** none


## Frequently asked questions

### Is Unstable! free?

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

### Is Code Burst free?

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

### Which has better reviews, Unstable! or Code Burst?

Code Burst is rated higher. Unstable! averages 3.8 out of 5 from 5 ratings, while Code Burst averages 5.0 from 1 ratings.

### Do Unstable! or Code Burst have ads?

Unstable! shows ads; Code Burst does not.

### Which is updated more often, Unstable! or Code Burst?

Unstable! ships an update every 4 months, and Code Burst every 9 days. Most recently, Unstable! was updated on September 13, 2026 and Code Burst on September 5, 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.*