# Number 4 Fun vs GridMind Pro

The clearest difference is update cadence: GridMind Pro at fortnightly against Number 4 Fun's every 70 months. Number 4 Fun's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

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

Number 4 Fun ships an update every 70 months, GridMind Pro fortnightly. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Number 4 Fun | GridMind Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | Every 70 months | **Fortnightly** |
| Size | 252 MB | 48 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [vmoga](https://appshunter.io/developer/945300832) | [Ahmet Bohur](https://appshunter.io/developer/1884060211) |

## What reviewers say

### Number 4 Fun

[App page](https://appshunter.io/ios/app/number-4-fun/id1482747275)

**Features:** macOS Compatibility

**In-app purchases:** none


### GridMind Pro

[App page](https://appshunter.io/ios/app/gridmind-pro-math-puzzle/id6761519077)

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

**In-app purchases:** none


## Frequently asked questions

### Is Number 4 Fun free?

Number 4 Fun is free to download, with no in-app purchases.

### Is GridMind Pro free?

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

### Which is updated more often, Number 4 Fun or GridMind Pro?

Number 4 Fun ships an update every 70 months, and GridMind Pro fortnightly. Most recently, Number 4 Fun was updated on October 20, 2026 and GridMind Pro on October 19, 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.*