# Number Grid vs Math Block Blast

The clearest difference is in-app purchases: Math Block Blast at none against Number Grid's 2. Math Block Blast also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Number Grid sells 2 in-app purchases, starting at $1.99 per month. Math Block Blast asks for nothing beyond the download.

Number Grid ships an update weekly, Math Block Blast every 5 days. The most recent releases landed on October 28, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Number Grid | Math Block Blast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Size | 6 MB | 23 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI HASHIMOTO](https://appshunter.io/developer/1689527181) | [OUPS SERVICES FOR WEB-DESIGN](https://appshunter.io/developer/1680165311) |

## What reviewers say

### Number Grid

[App page](https://appshunter.io/ios/app/number-grid-sudoku/id6757116929)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プレミアム | $1.99 | per month |
| 年額プレミアム | $14.99 | per year |


### Math Block Blast

[App page](https://appshunter.io/ios/app/math-block-blast/id6759151886)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Grid free?

Number Grid is free to download, with in-app purchases available.

### Is Math Block Blast free?

Math Block Blast is free to download, with no in-app purchases.

### Do Number Grid or Math Block Blast have ads?

Number Grid shows ads; Math Block Blast does not.

### Which is updated more often, Number Grid or Math Block Blast?

Number Grid ships an update weekly, and Math Block Blast every 5 days. Most recently, Number Grid was updated on October 28, 2026 and Math Block Blast on November 9, 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.*