# Processing & p5.js iCompiler vs Gearence

The clearest difference is rating: Gearence at 4.3 against Processing & p5.js iCompiler's 3.5. Gearence also leads on review sentiment (100% vs 58%) and in-app purchases (none vs 5). Processing & p5.js iCompiler's advantage is ratings volume (80 vs 20) and iOS requirement (11.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Processing & p5.js iCompiler sells 5 in-app purchases, starting at $3.49 per month. Gearence asks for nothing beyond the download.

Gearence holds the better App Store score, 4.3 against 3.5. Both are backed by a comparable volume of ratings — 80 and 20 respectively. Written reviews point the same way: 58% of Processing & p5.js iCompiler's written reviews are positive against 100% of Gearence's.

Processing & p5.js iCompiler ships an update every 5 weeks, Gearence every 2 months. The most recent releases landed on September 26, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Processing & p5.js iCompiler | Gearence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (80 ratings)](https://appshunter.io/ios/app/processing-and-p5js-icompiler/id648955851/reviews) | **[4.3 (20 ratings)](https://appshunter.io/ios/app/gearence-godot-class-docs/id1523486419/reviews)** |
| Number of ratings | **80** | 20 |
| Positive reviews | 58.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 33 MB | 608 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [riedel.wtf apps S.L.](https://appshunter.io/developer/517545753) | [智荣 覃](https://appshunter.io/developer/1523481908) |

## What reviewers say

### Processing & p5.js iCompiler

[App page](https://appshunter.io/ios/app/processing-and-p5js-icompiler/id648955851)

Develop and compile Processing and p5.js code directly on your mobile device. Export your creations as standalone apps for offline use. Ideal for students and educators learning creative coding.

**Highlights:** Compose and compile code on mobile, Export projects as home screen apps, Offline app usage, Code highlighting and formatting, 3D sketches and games support, Error highlighting (Pro feature)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Processing Pro (Monthly) | $3.49 | per month |
| Processing Pro (Annual) | $9.99 | per year |
| Processing for iOS Tip | $4.99 | one-time |
| Processing Pro Lifetime Unlock | $25.99 | one-time |
| Processing for iOS Tip | $99.99 | one-time |

**What reviewers like**

- ✅ Works offline without internet connection
- 👍 Free app with no mandatory payment
- 🎨 Good for quick creative coding and sketches
- 📱 Portable Processing development on mobile
- ⚡ Relatively fast performance for mobile IDE

**What reviewers complain about**

- 🚫 Compiler errors hidden behind paywall
- 🐛 Data loss and code deletion issues
- ❌ No error messages or debugging output
- 📝 Poor syntax highlighting (highlights wrong keywords)
- ⌨️ No auto-indentation or code formatting

**Reported bugs**

- Code reverts to earlier versions after app sleep
- Changes lost when phone falls asleep
- Functions with parameters cause black screen
- StringList data type not recognized
- Boolean highlighting shows 'bool' instead of full word

**Requested features**

- Free basic error messages for all users
- Undo/redo functionality
- Project renaming capability
- Project duplication feature
- Robust auto-save and backup system


### Gearence

[App page](https://appshunter.io/ios/app/gearence-godot-class-docs/id1523486419)

Access comprehensive Godot Engine class documentation offline on your mobile device. Supports multiple languages and offers powerful search and navigation features for an enhanced developer experience.

**Highlights:** Offline access to Godot Engine class documentation, Support for Godot versions 2.x to 4.x, Multilingual documentation support, Powerful in-app search functionality, Seamless navigation between documentation elements, Dark mode and adjustable text size

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

**In-app purchases:** none


## Frequently asked questions

### Is Processing & p5.js iCompiler free?

Processing & p5.js iCompiler is free to download, with in-app purchases available.

### Is Gearence free?

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

### Which has better reviews, Processing & p5.js iCompiler or Gearence?

Gearence is rated higher. Processing & p5.js iCompiler averages 3.5 out of 5 from 80 ratings, while Gearence averages 4.3 from 20 ratings.

### Do Processing & p5.js iCompiler or Gearence have ads?

Neither Processing & p5.js iCompiler nor Gearence shows ads.

### Which is updated more often, Processing & p5.js iCompiler or Gearence?

Processing & p5.js iCompiler ships an update every 5 weeks, and Gearence every 2 months. Most recently, Processing & p5.js iCompiler was updated on September 26, 2026 and Gearence on September 11, 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.*