# Space Crab vs Solid Sliding Puzzle

The clearest difference is in-app purchases: Solid Sliding Puzzle at none against Space Crab's 6. Solid Sliding Puzzle also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.6). Space Crab's advantage is update cadence (every 3 days vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Space Crab sells 6 one-off in-app purchases. Solid Sliding Puzzle asks for nothing beyond the download.

Space Crab ships an update every 3 days, Solid Sliding Puzzle every 2 months. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Space Crab | Solid Sliding Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 47 MB | 32 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CHI HO WONG](https://appshunter.io/developer/1863820141) | [Sooyeol Jeong](https://appshunter.io/developer/1877260413) |

## What reviewers say

### Space Crab

[App page](https://appshunter.io/ios/app/space-crab/id6756942205)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TChalla | $1.00 | one-time |
| Genie | $1.00 | one-time |
| Bak Mei | $1.00 | one-time |
| Simpson | $1.00 | one-time |
| Kirby | $1.00 | one-time |
| no ad | $2.00 | one-time |


### Solid Sliding Puzzle

[App page](https://appshunter.io/ios/app/solid-sliding-puzzle/id6760256107)

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

**In-app purchases:** none


## Frequently asked questions

### Is Space Crab free?

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

### Is Solid Sliding Puzzle free?

Solid Sliding Puzzle is free to download, with no in-app purchases.

### Do Space Crab or Solid Sliding Puzzle have ads?

Both Space Crab and Solid Sliding Puzzle show ads.

### Which is updated more often, Space Crab or Solid Sliding Puzzle?

Space Crab ships an update every 3 days, and Solid Sliding Puzzle every 2 months. Most recently, Space Crab was updated on October 28, 2026 and Solid Sliding Puzzle on October 31, 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.*