# gDrawPro vs Project Chiron

The clearest difference is in-app purchases: Project Chiron at none against gDrawPro's 1. Project Chiron also leads on update cadence (weekly vs every 18 months). gDrawPro's advantage is iOS requirement (8.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. gDrawPro sells 1 one-off in-app purchase. Project Chiron asks for nothing beyond the download.

gDrawPro ships an update every 18 months, Project Chiron weekly. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | gDrawPro | Project Chiron |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 18 months | **Weekly** |
| Size | 8 MB | 167 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jirou Fukuda](https://appshunter.io/developer/689603483) | [James Booth](https://appshunter.io/developer/1745107348) |

## What reviewers say

### gDrawPro

[App page](https://appshunter.io/ios/app/gdrawpro/id907360838)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| gDrawForiPad | $2.99 | one-time |


### Project Chiron

[App page](https://appshunter.io/ios/app/project-chiron/id6502346822)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is gDrawPro free?

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

### Is Project Chiron free?

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

### Do gDrawPro or Project Chiron have ads?

Neither gDrawPro nor Project Chiron shows ads.

### Which is updated more often, gDrawPro or Project Chiron?

gDrawPro ships an update every 18 months, and Project Chiron weekly. Most recently, gDrawPro was updated on October 11, 2026 and Project Chiron on October 4, 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.*