# Unstable! vs SpaceShard

The clearest difference is rating: SpaceShard at 5.0 against Unstable!'s 3.8. SpaceShard also leads on ads (none vs shown) and monetization model (free vs ad-supported). Unstable!'s advantage is iOS requirement (13.0 vs 18.5). On price, ratings volume, update cadence 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.

SpaceShard holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

Unstable! ships an update every 4 months, SpaceShard every 5 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Unstable! | SpaceShard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/unstable/id1282444122/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/spaceshard/id6751738288/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Ad-supported | **Free** |
| Size | 153 MB | 6 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Leonardo Amora](https://appshunter.io/developer/690988469) | [Paul Hall](https://appshunter.io/developer/1836545613) |

## 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


### SpaceShard

[App page](https://appshunter.io/ios/app/spaceshard/id6751738288)

Navigate procedurally generated mazes, collecting shards to increase your score and unlock upgrades. Compete in time-based multiplayer matches and customize your spacesuit. Climb leaderboards and unlock achievements.

**Highlights:** Endless procedural mazes, Time-based multiplayer matches, Achievements and milestones, Spacesuit customization, Global leaderboards

**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 SpaceShard free?

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

### Which has better reviews, Unstable! or SpaceShard?

SpaceShard is rated higher. Unstable! averages 3.8 out of 5 from 5 ratings, while SpaceShard averages 5.0 from 3 ratings.

### Do Unstable! or SpaceShard have ads?

Unstable! shows ads; SpaceShard does not.

### Which is updated more often, Unstable! or SpaceShard?

Unstable! ships an update every 4 months, and SpaceShard every 5 months. Most recently, Unstable! was updated on October 24, 2026 and SpaceShard on October 10, 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.*