Processing & p5.js iCompiler vs HapticKit
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/
HapticKit
This tool allows iOS developers to test, learn about, and implement built-in haptic feedback on iPhones. Developers can experiment with various haptics and instantly view or copy the corresponding Swift code.
- Test all built-in iPhone haptic feedbacks
- Copy and share Swift code for haptics
- Dark mode support
- No ads or account required
- Supports latest iOS versions
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HapticKit helps iOS developers to try, learn about, and implement built-in haptic feedbacks on iPhone. Haptics can be used to improve your app's user experience. With HapticKit, iOS developers can try different haptics and view & copy the haptics Swift code instantly. Features: - Try all built-in haptic feedbacks for iPhone. - Copy & share Swift code for any haptic type. - Dark mode support. - No ads, no account needed. - Supports the latest iOS. No haptic feedback? Please make sure you have turned it on in iOS Settings app: Go to Settings > Sound & Haptics > System Haptics. No ads, no account needed. We do not collect any data from this app.
Screenshots
Verdict
The clearest difference is price: Processing & p5.js iCompiler at Free against HapticKit's $1.99. Processing & p5.js iCompiler also leads on update cadence (every 2 months vs every 9 months) and ratings volume (84 vs 8). HapticKit's advantage is rating (4.8 vs 3.6) and review sentiment (100% vs 58%). On ads, device support and iOS requirement 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; HapticKit costs $1.99 up front. Processing & p5.js iCompiler sells 5 in-app purchases, starting at $3.49 per month. HapticKit asks for nothing beyond the download.
HapticKit holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: Processing & p5.js iCompiler has 84 ratings behind it against 8, 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 100% of HapticKit's.
Processing & p5.js iCompiler ships an update every 2 months, HapticKit every 9 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Processing & p5.js iCompiler | HapticKit |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 3.6 (84 ratings) | 4.8 (8 ratings) — better |
| Positive reviews | 58.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 84 — better | 8 |
| Update frequency | Every 2 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 14.1 — better |
| Further details — not scored | ||
| Size | 10 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | riedel.wtf apps S.L. | Chunxia Li |
Customer experience
Processing & p5.js iCompiler
HapticKit
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
HapticKit
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
HapticKit
No in-app purchases
Questions
Is Processing & p5.js iCompiler free?
Is HapticKit free?
Which has better reviews, Processing & p5.js iCompiler or HapticKit?
Do Processing & p5.js iCompiler or HapticKit have ads?
Which is updated more often, Processing & p5.js iCompiler or HapticKit?
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