# Grid vs Mathdoku

The clearest difference is ads: Grid at none against Mathdoku's shown. Grid also leads on iOS requirement (15.0 vs 17.0). Mathdoku's advantage is update cadence (every 4 days vs every 12 months). 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.

Grid ships an update every 12 months, Mathdoku every 4 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Grid | Mathdoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 4 days** |
| Size | 4 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Emil Starup](https://appshunter.io/developer/574324891) | [Ting Yeung](https://appshunter.io/developer/1773356322) |

## What reviewers say

### Grid

[App page](https://appshunter.io/ios/app/grid-pattern-puzzle/id1128718253)

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

**In-app purchases:** none


### Mathdoku

[App page](https://appshunter.io/ios/app/mathdoku-daily-challenge/id6752537643)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grid free?

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

### Is Mathdoku free?

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

### Do Grid or Mathdoku have ads?

Mathdoku shows ads; Grid does not.

### Which is updated more often, Grid or Mathdoku?

Grid ships an update every 12 months, and Mathdoku every 4 days. Most recently, Grid was updated on October 24, 2026 and Mathdoku on October 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.*