# Number Grid Challenge vs Number Blunder

The clearest difference is price: Number Grid Challenge at Free against Number Blunder's $0.99. Number Grid Challenge also leads on update cadence (every 4 days vs every 11 months) and iOS requirement (11.0 vs 14.0). Number Blunder's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Number Grid Challenge is free to download; Number Blunder costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Number Grid Challenge ships an update every 4 days, Number Blunder every 11 months. The most recent releases landed on October 30, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Number Grid Challenge | Number Blunder |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 11 months |
| Size | 38 MB | 80 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Davide Sardei](https://appshunter.io/developer/668430430) | [Triston Gude](https://appshunter.io/developer/1533926412) |

## What reviewers say

### Number Grid Challenge

[App page](https://appshunter.io/ios/app/number-grid-challenge/id6453168573)

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

**In-app purchases:** none


### Number Blunder

[App page](https://appshunter.io/ios/app/number-blunder/id6664058795)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Grid Challenge free?

Number Grid Challenge is free to download, with no in-app purchases.

### Is Number Blunder free?

Number Blunder costs $0.99, with no in-app purchases.

### Do Number Grid Challenge or Number Blunder have ads?

Number Grid Challenge shows ads; Number Blunder does not.

### Which is updated more often, Number Grid Challenge or Number Blunder?

Number Grid Challenge ships an update every 4 days, and Number Blunder every 11 months. Most recently, Number Grid Challenge was updated on October 30, 2026 and Number Blunder on September 16, 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.*