# Frudoku Lite vs Schulte Grid

The clearest difference is update cadence: Schulte Grid at every 2 weeks against Frudoku Lite's every 19 months. Schulte Grid also leads on 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.

Frudoku Lite ships an update every 19 months, Schulte Grid every 2 weeks. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Frudoku Lite | Schulte Grid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 19 months | **Every 2 weeks** |
| Size | 11 MB | 55 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Abdullah](https://appshunter.io/developer/873693566) | [余芳 伍](https://appshunter.io/developer/1229314116) |

## What reviewers say

### Frudoku Lite

[App page](https://appshunter.io/ios/app/frudoku-lite/id1644753657)

**Features:** macOS Compatibility

**In-app purchases:** none


### Schulte Grid

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Frudoku Lite free?

Frudoku Lite 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 Frudoku Lite or Schulte Grid have ads?

Both Frudoku Lite and Schulte Grid show ads.

### Which is updated more often, Frudoku Lite or Schulte Grid?

Frudoku Lite ships an update every 19 months, and Schulte Grid every 2 weeks. Most recently, Frudoku Lite was updated on October 19, 2026 and Schulte Grid on October 9, 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.*