# Schulte Grid vs Stroop Training

The clearest difference is in-app purchases: Stroop Training at none against Schulte Grid's 1. Stroop Training also leads on update cadence (every 2 weeks vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Schulte Grid sells 1 one-off in-app purchase. Stroop Training asks for nothing beyond the download.

Schulte Grid ships an update every 5 weeks, Stroop Training every 2 weeks. Both last shipped on October 1, 2026.

## The numbers

| Metric | Schulte Grid | Stroop Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 6 MB | 28 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [景珂 陈](https://appshunter.io/developer/620312170) | [豪 陈](https://appshunter.io/developer/1852919038) |

## What reviewers say

### Schulte Grid

[App page](https://appshunter.io/ios/app/schulte-grid-focus-training/id777206931)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $1.99 | one-time |


### Stroop Training

[App page](https://appshunter.io/ios/app/stroop-training-brain-test/id6761408832)

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

**In-app purchases:** none


## Frequently asked questions

### Is Schulte Grid free?

Schulte Grid is free to download, with in-app purchases available.

### Is Stroop Training free?

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

### Do Schulte Grid or Stroop Training have ads?

Both Schulte Grid and Stroop Training show ads.

### Which is updated more often, Schulte Grid or Stroop Training?

Schulte Grid ships an update every 5 weeks, and Stroop Training every 2 weeks. Most recently, Schulte Grid was updated on October 1, 2026 and Stroop Training on October 1, 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.*