Processing & p5.js iCompiler vs Stray Scanner
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/
Stray Scanner
Capture color, depth, and IMU data using your device's LiDAR sensor. Export these datasets to your computer for machine learning and dense mapping projects. Streamline the process of collecting RGB-D data without complex calibration.
- Record color images
- Capture depth frames
- Export IMU measurements
- Estimate camera position
- Access camera calibration matrix
- Transfer datasets to desktop
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Note: requires a device with LiDAR. The iPad Pro, iPhone 12 Pro or iPhone 12 Pro Max currently have LiDAR sensors on them. Stray Scanner allows you to record color, depth and IMU datasets and export them to your desktop computer. For machine learning and dense mapping applications, you need a dataset to work with. Stray Scanner allows you to collect RGB-D datasets with your iPhone. The recorded datasets contain: - color images - depth frames from the LiDAR sensor - depth confidence maps - camera position estimates for each frame - camera calibration matrix - IMU measurements Once recorded, the datasets can easily be moved to your desktop computer by connecting your device with a Lightning cable and accessing the files through Finder. Put your iPhone's LiDAR scanner to good use. No more fumbling around calibrating and configuring depth sensors. Shoot datasets straight from your iPhone.
Screenshots
Verdict
The clearest difference is rating: Stray Scanner at 5.0 against Processing & p5.js iCompiler's 3.6. Stray Scanner also leads on in-app purchases (none vs 5) and review sentiment (75% vs 58%). Processing & p5.js iCompiler's advantage is update cadence (every 2 months vs every 6 months) and ratings volume (84 vs 5). On price and ads 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
Both are free to download. Processing & p5.js iCompiler sells 5 in-app purchases, starting at $3.49 per month. Stray Scanner asks for nothing beyond the download.
Stray Scanner holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Processing & p5.js iCompiler has 84 ratings behind it against 5, 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 75% of Stray Scanner's.
Processing & p5.js iCompiler ships an update every 2 months, Stray Scanner every 6 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Processing & p5.js iCompiler | Stray Scanner |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (84 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 58.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 84 — better | 5 |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 10 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | riedel.wtf apps S.L. | Kenneth Blomqvist |
Customer experience
Processing & p5.js iCompiler
Stray Scanner
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
Stray Scanner
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
Stray Scanner
No in-app purchases
Questions
Is Processing & p5.js iCompiler free?
Is Stray Scanner free?
Which has better reviews, Processing & p5.js iCompiler or Stray Scanner?
Do Processing & p5.js iCompiler or Stray Scanner have ads?
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