# Size test vs Schulte Grids

The clearest difference is price: Schulte Grids at Free against Size test's $0.99. Schulte Grids also leads on update cadence (weekly vs every 10 months) and device support (3 vs 1). Size test's advantage is ads (none vs shown). On in-app purchases and iOS requirement there is nothing between them.

Schulte Grids is free to download; Size test costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Size test ships an update every 10 months, Schulte Grids weekly. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Size test | Schulte Grids |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Weekly** |
| Size | 1 MB | 27 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Viacheslav Romanenko](https://appshunter.io/developer/1046372418) | [豪 陈](https://appshunter.io/developer/1852919038) |

## What reviewers say

### Size test

[App page](https://appshunter.io/ios/app/size-test/id1059703529)

**In-app purchases:** none


### Schulte Grids

[App page](https://appshunter.io/ios/app/schulte-grids/id6761087578)

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

**In-app purchases:** none


## Frequently asked questions

### Is Size test free?

Size test costs $0.99, with no in-app purchases.

### Is Schulte Grids free?

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

### Do Size test or Schulte Grids have ads?

Schulte Grids shows ads; Size test does not.

### Which is updated more often, Size test or Schulte Grids?

Size test ships an update every 10 months, and Schulte Grids weekly. Most recently, Size test was updated on September 30, 2026 and Schulte Grids on September 29, 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.*