# CrispSudoku vs Spatial Block

The clearest difference is in-app purchases: CrispSudoku at none against Spatial Block's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Spatial Block sells 1 one-off in-app purchase. CrispSudoku asks for nothing beyond the download.

CrispSudoku ships an update fortnightly, Spatial Block weekly. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CrispSudoku | Spatial Block |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 20 MB | 107 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christian Strobele](https://appshunter.io/developer/6788864041) | [Makio Shishiuchi](https://appshunter.io/developer/1463272543) |

## What reviewers say

### CrispSudoku

[App page](https://appshunter.io/ios/app/crispsudoku/id6788990894)

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

**In-app purchases:** none


### Spatial Block

[App page](https://appshunter.io/ios/app/spatial-block-3d-logic-puzzle/id6797232429)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version Unlock | $0.99 | one-time |


## Frequently asked questions

### Is CrispSudoku free?

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

### Is Spatial Block free?

Spatial Block is free to download, with in-app purchases available.

### Do CrispSudoku or Spatial Block have ads?

Neither CrispSudoku nor Spatial Block shows ads.

### Which is updated more often, CrispSudoku or Spatial Block?

CrispSudoku ships an update fortnightly, and Spatial Block weekly. Most recently, CrispSudoku was updated on October 15, 2026 and Spatial Block on October 25, 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.*