Processing & p5.js iCompiler vs Clean OSC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Processing & p5.js iCompiler
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.
- 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)
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Compose and compile your Processing & p5.js projects right on your phone or iPad, wherever your are! Export your Processing projects as App on your home screen: 1. Select an App icon for your Processing project. 2. Add it to your home screen. You can now use the app offline, just like any other app! This app is already being used in high schools and universities to teach and learn Processing & p5.js. Your code is highlighted and formatted for excellent reading-comfort. Processing Pro allows you to see which parts of your code are causing problems. 3D sketches and games are supported. This is not an official app by processing.org or p5.js Available subscription: Processing Pro, offers additional functionalities, such as exporting your sketches as apps. Trailer Music: Circle of Alchemists Privacy and Terms: http://processing-app.org/terms/
Clean OSC
Create custom user interfaces with various controls like buttons, sliders, and toggles. Organize elements into groups and tabs. Send and receive Open Sound Control (OSC) messages via UDP or TCP, with support for Siri Shortcuts.
- Customizable UI elements (buttons, sliders, toggles)
- Organize UI into groups, tabs, and panels
- Send and receive OSC messages
- UDP and TCP support
- Siri Shortcuts integration
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Build a custom user interface with buttons, toggles, sliders, pickers, lists, text fields and steppers. Organize items together in nested groups, tabs and panels. Send and receive messages with OSC via UDP or TCP. Send OSC with Siri Shortcuts. Projects are synced via iCloud. Import and export projects. OSC is the Open Sound Control protocol.
Screenshots
Verdict
The clearest difference is price: Processing & p5.js iCompiler at Free against Clean OSC's $4.99. Processing & p5.js iCompiler also leads on ratings volume (83 vs 4) and iOS requirement (15.0 vs 26.0). Clean OSC's advantage is in-app purchases (none vs 5) and review sentiment (78% vs 58%). On update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Processing & p5.js iCompiler is free to download; Clean OSC costs $4.99 up front. Processing & p5.js iCompiler sells 5 in-app purchases, starting at $3.49 per month. Clean OSC asks for nothing beyond the download.
Clean OSC holds the better App Store score, 3.8 against 3.5. That said, the two scores are not equally well evidenced: Processing & p5.js iCompiler has 83 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 58% of Processing & p5.js iCompiler's written reviews are positive against 78% of Clean OSC's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | Processing & p5.js iCompiler | Clean OSC |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 3.5 (83 ratings) | 3.8 (4 ratings) — better |
| Positive reviews | 58.0% of reviews | 77.8% of reviews — better |
| Number of ratings | 83 — better | 4 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Vision Pro — better |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 10 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | riedel.wtf apps S.L. | Anton Heestand |
Customer experience
Processing & p5.js iCompiler
Clean OSC
Bugs and requests
Processing & p5.js iCompiler
Reported bugs
20 issues- 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
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- Else statements break code formatting
- Try/catch blocks don't work properly
- Cursor position jumps unexpectedly while typing
- Screen scrolls to bottom when typing mid-file
- Swipe-to-go-back gesture interferes with drawing
- mouseClicked() event fires multiple times per click
- Import folder feature doesn't work
- Cannot use numbers/underscores in project names
- blendMode() and other complex functions fail
- Silent failures with blank screen output
- Inconsistent error highlighting
- Typing lag with large projects (700+ lines)
- Example project code disappeared after updates
- Dialog boxes appear in German
- About and new project buttons invisible in light mode
Requested features
20 requests- Free basic error messages for all users
- Undo/redo functionality
- Project renaming capability
- Project duplication feature
- Robust auto-save and backup system
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- GIF animation support for sprites
- Library import and management system
- Landscape mode support
- Find and replace functionality
- Console output for debugging
- Settings/preferences menu
- File organization with folders
- Project thumbnails
- Built-in documentation/reference
- Processing to p5.js conversion tool
- Ability to import entire project folders
- Font size customization
- Fullscreen mode for screenshots
- PVector class support
- Pixel density optimization for Retina displays
Clean OSC
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Processing & p5.js iCompiler
- Processing Pro (Monthly)$3.491 Month
- Processing Pro (Annual)$9.991 Year
- Processing for iOS Tip$4.99
- Processing Pro Lifetime Unlock$25.99
- Processing for iOS Tip$99.99
Clean OSC
No in-app purchases
Questions
Is Processing & p5.js iCompiler free?
Is Clean OSC free?
Which has better reviews, Processing & p5.js iCompiler or Clean OSC?
Do Processing & p5.js iCompiler or Clean OSC have ads?
Which is updated more often, Processing & p5.js iCompiler or Clean OSC?
Other comparisons
