# Grass Fire vs Visual LightPad

The clearest difference is update cadence: Visual LightPad at weekly against Grass Fire's every 15 months. Grass Fire's advantage is iOS requirement (12.0 vs 17.0). 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.

Grass Fire ships an update every 15 months, Visual LightPad weekly. Both last shipped on September 17, 2026.

## The numbers

| Metric | Grass Fire | Visual LightPad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/grass-fire/id1440445499/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Weekly** |
| Monetization | Free | — |
| Size | 66 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [arludo Pty Ltd](https://appshunter.io/developer/1023251086) | [AW Games](https://appshunter.io/developer/1645884146) |

## What reviewers say

### Grass Fire

[App page](https://appshunter.io/ios/app/grass-fire/id1440445499)

This educational app explores how the human brain interprets visual shapes. It's designed to help users understand the cognitive processes behind shape recognition and perception.

**Highlights:** Understanding shape interpretation, Cognitive process exploration, Visual perception testing, Educational content

**Features:** macOS Compatibility

**In-app purchases:** none


### Visual LightPad

[App page](https://appshunter.io/ios/app/visual-lightpad/id6468403790)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grass Fire free?

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

### Is Visual LightPad free?

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

### Do Grass Fire or Visual LightPad have ads?

Neither Grass Fire nor Visual LightPad shows ads.

### Which is updated more often, Grass Fire or Visual LightPad?

Grass Fire ships an update every 15 months, and Visual LightPad weekly. Most recently, Grass Fire was updated on September 17, 2026 and Visual LightPad on September 17, 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.*