# Attentionize vs Schulte Grid

The clearest difference is update cadence: Attentionize at daily against Schulte Grid's every 3 months. Attentionize also leads on iOS requirement (10.0 vs 16.0). 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.

Attentionize ships an update daily, Schulte Grid every 3 months. The most recent releases landed on September 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Attentionize | Schulte Grid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 months |
| Size | 64 MB | 11 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Antons Duda](https://appshunter.io/developer/1572550749) | [培克 罗](https://appshunter.io/developer/1516557687) |

## What reviewers say

### Attentionize

[App page](https://appshunter.io/ios/app/attentionize/id1572550747)

**Features:** macOS Compatibility

**In-app purchases:** none


### Schulte Grid

[App page](https://appshunter.io/ios/app/schulte-grid-printable/id6547865783)

**In-app purchases:** none


## Frequently asked questions

### Is Attentionize free?

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

### Is Schulte Grid free?

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

### Do Attentionize or Schulte Grid have ads?

Neither Attentionize nor Schulte Grid shows ads.

### Which is updated more often, Attentionize or Schulte Grid?

Attentionize ships an update daily, and Schulte Grid every 3 months. Most recently, Attentionize was updated on September 16, 2026 and Schulte Grid on September 10, 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.*