# Processing & p5.js iCompiler vs Face Mesh

The clearest difference is price: Processing & p5.js iCompiler at Free against Face Mesh's $19.99. Processing & p5.js iCompiler also leads on update cadence (every 2 months vs every 38 months) and review sentiment (58% vs 33%). Face Mesh's advantage is in-app purchases (none vs 5) and chart position (#180 vs unranked). On rating, ads, device support and iOS requirement there is nothing between them.

Processing & p5.js iCompiler is free to download; Face Mesh costs $19.99 up front. Processing & p5.js iCompiler sells 5 in-app purchases, starting at $3.49 per month. Face Mesh asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.5 for Processing & p5.js iCompiler against 3.4 for Face Mesh. That said, the two scores are not equally well evidenced: Processing & p5.js iCompiler has 80 ratings behind it against 16, so its average is the more settled of the two. Written reviews are what separate them: 58% of Processing & p5.js iCompiler's written reviews are positive against 33% of Face Mesh's.

Processing & p5.js iCompiler ships an update every 2 months, Face Mesh every 38 months. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Processing & p5.js iCompiler | Face Mesh |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | **[3.5 (80 ratings)](https://appshunter.io/ios/app/processing-and-p5js-icompiler/id648955851/reviews)** | [3.4 (16 ratings)](https://appshunter.io/ios/app/face-mesh/id1439354562/reviews) |
| Number of ratings | **80** | 16 |
| Positive reviews | **58.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 38 months |
| Monetization | **Freemium** | Paid |
| Best chart rank | — | **#180** |
| Size | 10 MB | 1 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [riedel.wtf apps S.L.](https://appshunter.io/developer/517545753) | [Tech Positive](https://appshunter.io/developer/580207852) |

## 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


### Face Mesh

[App page](https://appshunter.io/ios/app/face-mesh/id1439354562)

**Currently charting:** #180 Top Paid · Developer Tools (US App Store)

Visualize and interact with ARKit's 3D face mesh. Developers can see vertex indices, select specific parts of the face, and export index arrays for use in FaceTracking applications.

**Highlights:** Visualize vertex indices on 3D face mesh, Tap to select/deselect individual vertices, Select face outline and eyes, Export index arrays, Pinch to zoom, pan, and rotate gestures

**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 Face Mesh free?

Face Mesh costs $19.99, with no in-app purchases.

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

Processing & p5.js iCompiler is rated higher. Processing & p5.js iCompiler averages 3.5 out of 5 from 80 ratings, while Face Mesh averages 3.4 from 16 ratings.

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

Neither Processing & p5.js iCompiler nor Face Mesh shows ads.

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

Processing & p5.js iCompiler ships an update every 2 months, and Face Mesh every 38 months. Most recently, Processing & p5.js iCompiler was updated on October 16, 2026 and Face Mesh on October 13, 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.*