Processing & p5.js iCompiler vs NeoSpectra Scan App
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/
NeoSpectra Scan App
This application allows users to scan and analyze samples using a specialized spectrometer to predict their internal properties. It provides insights into scanned materials, requiring both the hardware scanner and a development license.
- Scan samples with NeoSpectra-Scanner
- Analyze sample properties
- Predict inner material characteristics
- Obtain insights from scanned data
- Requires development license
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NeoSpectra Scan App enables you to scan/analyze samples using NeoSpectra-Scanner, in order to predict their inner properties. Analyze, scan, and get insights about samples using Neospectra Scanner. Requires the Neospectra Scanner, the world's smallest FT-IR spectrometer, and a development license.
Screenshots
Verdict
The clearest difference is review sentiment: Processing & p5.js iCompiler at 58% against NeoSpectra Scan App's 0%. Processing & p5.js iCompiler also leads on rating (3.5 vs 3.0) and ratings volume (80 vs 2). NeoSpectra Scan App's advantage is in-app purchases (none vs 5). On price, 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
Both are free to download. Processing & p5.js iCompiler sells 5 in-app purchases, starting at $3.49 per month. NeoSpectra Scan App asks for nothing beyond the download.
Processing & p5.js iCompiler holds the better App Store score, 3.5 against 3.0. That said, the two scores are not equally well evidenced: Processing & p5.js iCompiler has 80 ratings behind it against 2, 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 0% of NeoSpectra Scan App's.
Processing & p5.js iCompiler ships an update every 2 months, NeoSpectra Scan App every 6 weeks. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.
| Parameter | Processing & p5.js iCompiler | NeoSpectra Scan App |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (80 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 58.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 80 — better | 2 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 138 MB |
| Age rating | 4+ | 4+ |
| Developer | riedel.wtf apps S.L. | Si-Ware Systems |
Customer experience
Processing & p5.js iCompiler
NeoSpectra Scan App
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
NeoSpectra Scan App
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
NeoSpectra Scan App
No in-app purchases
Questions
Is Processing & p5.js iCompiler free?
Is NeoSpectra Scan App free?
Which has better reviews, Processing & p5.js iCompiler or NeoSpectra Scan App?
Do Processing & p5.js iCompiler or NeoSpectra Scan App have ads?
Which is updated more often, Processing & p5.js iCompiler or NeoSpectra Scan App?
Other comparisons
