# GridUnfold vs Blitz Math

The clearest difference is ads: GridUnfold at none against Blitz Math's shown. Blitz Math's advantage is iOS requirement (14.1 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | GridUnfold | Blitz Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 weeks |
| Size | 7 MB | 65 MB |
| Requires iOS | 17.6 | **14.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Agostino  Lecci](https://appshunter.io/developer/1461660623) | [VELI OZBAY](https://appshunter.io/developer/6790209771) |

## What reviewers say

### GridUnfold

[App page](https://appshunter.io/ios/app/gridunfold/id6758383846)

**Features:** macOS Compatibility

**In-app purchases:** none


### Blitz Math

[App page](https://appshunter.io/ios/app/blitz-math-puzzle-challenge/id6790209769)

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

**In-app purchases:** none


## Frequently asked questions

### Is GridUnfold free?

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

### Is Blitz Math free?

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

### Do GridUnfold or Blitz Math have ads?

Blitz Math shows ads; GridUnfold does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*