Jedona vs Molvelle Ar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jedona
Write, compile, and run Java code directly on your mobile device. Features include a custom keyboard, syntax highlighting, and iCloud integration. Ideal for learning and testing code snippets on the go.
- Compile and run Java programs
- View program output and errors
- Custom keyboard for special characters
- Syntax highlighting and line numbers
- iCloud Drive integration for file import/export
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Write Java code directly on your iPhone, iPad and iPod Touch! This app is ideal for learning and testing code snippets! Java is a general-purpose programming language that is class-based and object-oriented. It is intended to let application developers write once, run anywhere (WORA), meaning that compiled Java code can run on all platforms that support Java without the need for recompilation. Java applications are typically compiled to bytecode that can run on any Java virtual machine (JVM) regardless of the underlying computer architecture. Features: - Compile and run your program - View program output or detailed error - Custom keyboard for easy input of frequently used characters - Optimized for connecting with external physical/bluetooth keyboard - Advanced source code editor with syntax highlighting, bracket completion and line numbers - Import files from your personal iCloud Drive account and export files that you create. Limitations: - Internet connection is required for compilation - Maximum program running time is 20s - One file can be run at a time - Some file system, network and graphics functions may be limited - This is a batch compiler; interactive programs are not supported. For example, if your program provides an input prompt, enter the input in the Input tab prior to compilation.
Molvelle Ar
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Molvelle AR brings you into the molecular world of Sugammadex, a modified cyclodextrin used to reverse anesthesia effects. This augmented reality app allows you to visualize how Sugammadex binds with Rocuronium—a muscle relaxant crucial in anesthetic procedures—as well as with Cholesterol and Vitamin D3. Using molecular dynamics simulations (originally conducted in water, with solvent removed for clarity), the app provides an immersive experience. Rotate the interactive volvelle to switch between ligands and observe each binding interaction in detail, making this app a valuable tool for education and research. Developed within the framework of the European Bicyclos project (EC-funded Staff Exchange project n° 101130235) in collaboration with the University of Santiago de Compostela, MD.USE Innovations SL, Carbohyde, and IES Rosalía de Castro, Santiago de Compostela. Features: Interactive volvelle to select and explore Sugammadex binding with Rocuronium, Cholesterol, or Vitamin D3. 3D molecular dynamics simulations illustrating binding orientations. Educational content on Sugammadex’s role in anesthetic reversal and its research applications. Augmented reality for an engaging educational and research experience in molecular science. Step into molecular interactions with Volvelle AR—where education and research converge in augmented reality.
Screenshots
Verdict
The clearest difference is in-app purchases: Molvelle Ar at none against Jedona's 1. Molvelle Ar also leads on ads (none vs shown). On price, 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
Both are free to download. Jedona sells 1 one-off in-app purchase. Molvelle Ar asks for nothing beyond the download.
| Parameter | Jedona | Molvelle Ar |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (60 ratings) — better | — |
| Positive reviews | 46.5% of reviews | — |
| Number of ratings | 60 — better | — |
| Update frequency | Every 2 months | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 21 MB | 101 MB |
| Age rating | 4+ | 17+ |
| Developer | Ketan Appa | MD. USE INNOVATIONS SL |
Bugs and requests
Jedona
Reported bugs
20 issues- Scanner not working correctly
- Cannot use Scanner object more than once
- Input issues with keyboard
- Errors when compiling
- Code gets deleted
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- Cannot name classes freely
- Cannot use predefined packages like Math or Scanner
- Cannot download files from iCloud
- App not running
- JFrames/JPanels show X11 variable error
- Cannot use extends keyword
- File deletion/refactoring issues
- Keyboard disappears during typing
- UI buttons hidden by status bar
- Math class crashes
- Output lasts only 15 seconds
- Cannot import libraries in Sandbox mode
- Scanner returns errors
- Code corrections not accepted
- Cannot type with external keyboards
Requested features
20 requests- Add split option for output and input
- Add Maven support for dependencies
- Add real-time input
- Add option to pull from GitHub
- Add browser version
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- Add auto-completer
- Export in .jar
- Allow class instantiation from other files
- Improve input system for real-time interaction
- Add dark mode
- Allow users to name new files immediately
- Include a 'Save' function
- Allow user inputs to be written directly into the running program
- Make output time unlimited
- Expand reference page sections
- Add more typeface options
- Make cursor more visible
- Support for more predefined packages
- Allow multiple class instances
- Add offline mode
Molvelle Ar
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Jedona
- Upgrade$2.99
Molvelle Ar
No in-app purchases









