# Grass Fire vs Squiggle Draw

The clearest difference is update cadence: Squiggle Draw at every 3 weeks against Grass Fire's every 15 months. Grass Fire's advantage is iOS requirement (12.0 vs 15.1). 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, Squiggle Draw every 3 weeks. The most recent releases landed on October 4, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Grass Fire | Squiggle Draw |
| --- | --- | --- |
| 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 | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 66 MB | 36 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [arludo Pty Ltd](https://appshunter.io/developer/1023251086) | [Graham McLellan](https://appshunter.io/developer/1881824149) |

## 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


### Squiggle Draw

[App page](https://appshunter.io/ios/app/squiggle-draw/id6759957575)

**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 Squiggle Draw free?

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

### Do Grass Fire or Squiggle Draw have ads?

Neither Grass Fire nor Squiggle Draw shows ads.

### Which is updated more often, Grass Fire or Squiggle Draw?

Grass Fire ships an update every 15 months, and Squiggle Draw every 3 weeks. Most recently, Grass Fire was updated on October 4, 2026 and Squiggle Draw on September 28, 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.*