# Schulte Grid vs Number Puzzle

The clearest difference is update cadence: Number Puzzle at every 2 days against Schulte Grid's every 2 weeks. Schulte Grid's advantage is iOS requirement (13.0 vs 15.0). On price, ads, 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.

Schulte Grid ships an update every 2 weeks, Number Puzzle every 2 days. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Schulte Grid | Number Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 55 MB | 104 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [余芳 伍](https://appshunter.io/developer/1229314116) | [RESTPLACE, K.K.](https://appshunter.io/developer/6801984652) |

## What reviewers say

### Schulte Grid

[App page](https://appshunter.io/ios/app/schulte-grid-brain-training/id6810313541)

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

**In-app purchases:** none


### Number Puzzle

[App page](https://appshunter.io/ios/app/number-puzzle-brain-training/id6813728337)

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

**In-app purchases:** none


## Frequently asked questions

### Is Schulte Grid free?

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

### Is Number Puzzle free?

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

### Do Schulte Grid or Number Puzzle have ads?

Both Schulte Grid and Number Puzzle show ads.

### Which is updated more often, Schulte Grid or Number Puzzle?

Schulte Grid ships an update every 2 weeks, and Number Puzzle every 2 days. Most recently, Schulte Grid was updated on October 9, 2026 and Number Puzzle on October 13, 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.*