# Processing IDE vs Feather

The clearest difference is price: Processing IDE at Free against Feather's $14.99. Processing IDE also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). Feather's advantage is rating (4.1 vs 2.5) and in-app purchases (none vs 3). On update cadence and ads there is nothing between them.

Processing IDE is free to download; Feather costs $14.99 up front. Processing IDE sells 3 in-app purchases, starting at $2.00 per month. Feather asks for nothing beyond the download.

Feather holds the better App Store score, 4.1 against 2.5. That said, the two scores are not equally well evidenced: Feather has 107 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 33% of Processing IDE's written reviews are positive against 65% of Feather's.

Processing IDE ships an update every 4 weeks, Feather every 3 weeks. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Processing IDE | Feather |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/processing-ide/id6476103173/reviews) | **[4.1 (107 ratings)](https://appshunter.io/ios/app/feather-draw-in-3d/id6737254232/reviews)** |
| Number of ratings | 2 | **107** |
| Positive reviews | 33.3% of reviews | **65.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Subscription | **Paid** |
| Size | 90 MB | 49 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [以鹏 刘](https://appshunter.io/developer/1581308544) | [Sketchsoft Inc.](https://appshunter.io/developer/1636452159) |

## What reviewers say

### Processing IDE

[App page](https://appshunter.io/ios/app/processing-ide/id6476103173)

Create and learn code art on your mobile device. This app offers an infinite sketchpad for Processing and p5.js projects, with interactive guides to help beginners develop coding art skills.

**Highlights:** Infinite sketchpad for Processing and p5.js, Interactive learning guides, Create unlimited sketches, Personalized editor configurations, One-on-one problem feedback

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.00 | per month |
| Quarterly | $5.99 | per 3 months |
| Annual | $20.00 | per year |


### Feather

[App page](https://appshunter.io/ios/app/feather-draw-in-3d/id6737254232)

Create stunning 3D artwork from any angle with intuitive tools and a powerful rendering engine. This app allows for seamless navigation, versatile brushes, and advanced editing features, making it ideal for artists and designers to bring their visions to life.

**Highlights:** Intuitive 3D navigation and drawing, Pressure-sensitive 3D brushes, 3D Liquify tool for detailed editing, Post-processing effects and lighting, Export to 3D formats, Fully offline functionality, AR View for real-world placement

**In-app purchases:** none


## Frequently asked questions

### Is Processing IDE free?

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

### Is Feather free?

Feather costs $14.99, with no in-app purchases.

### Which has better reviews, Processing IDE or Feather?

Feather is rated higher. Processing IDE averages 2.5 out of 5 from 2 ratings, while Feather averages 4.1 from 107 ratings.

### Do Processing IDE or Feather have ads?

Neither Processing IDE nor Feather shows ads.

### Which is updated more often, Processing IDE or Feather?

Processing IDE ships an update every 4 weeks, and Feather every 3 weeks. Most recently, Processing IDE was updated on September 28, 2026 and Feather on October 5, 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.*