ReasonML vs Code Editor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReasonML
This app serves as a playground for ReasonML, allowing users to convert code between ReasonML and OCaml. It also compiles code to JavaScript and displays the JS console output directly within the application.
- ReasonML to OCaml conversion
- OCaml to ReasonML conversion
- Compile to JavaScript
- View JS console output
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Playground for ReasonML * Convert between ReasonML and OCaml * Compile to JS * View JS console output
Code Editor
This app is a powerful mobile code editor and compiler designed for programmers. It offers syntax highlighting for numerous languages, code assistance, and the ability to compile and run code directly on your device. Access files from cloud storage and version control systems, with customizable themes and extensive editing features.
- Syntax highlighting for 110+ languages
- Online compiler for 30+ languages
- Code assist and auto-completion
- Multi-tab navigation
- Unlimited undo/redo
- Cloud file access (FTP, WebDAV, Google Drive, Dropbox, OneDrive)
- GitHub/GitLab integration
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Code editor is optimized text editor focused on coding. It contains necessary features including syntax highlight, code assist, auto-complete, compile and execute, etc. Features: - Syntax highlighting for over 110 languages (C++, Java, JavaScript, HTML, Markdown, PHP, Perl, Python, Lua, Dart, etc). - Include online compiler, can compile and run over 30 common languages (Python, PHP, Java, JS/NodeJS, C/C++, Rust, Pascal, Haskell, Ruby, etc). - Code assist, folding and auto-completion. - Easily navigate between multiple tabs. - Undo and redo changes without limit. - Search and replace with regular expressions. - Show or hide line numbers. - Highlight matching parentheses. - Automatic indent and outdent. - Displays invisible characters. - Open files from recently opened file collections. - Preview HTML and Markdown files. - Includes Emmet support for web development. - Access files from FTP and WebDAV. - Evaluate JavaScript code with built-in JavaScript console. - Integrate and easy access to GitHub and GitLab. - Access files from Google Drive, Dropbox, and OneDrive. - Dark and light themes and over 30 syntax highlighting styles. If you run into any issues or have any suggestions, please feel free to contact us: support@rhmsoft.com
Screenshots
Verdict
The clearest difference is review sentiment: ReasonML at 100% against Code Editor's 54%. ReasonML also leads on rating (5.0 vs 3.2) and in-app purchases (none vs 1). Code Editor's advantage is ratings volume (43 vs 3) and chart position (#91 vs unranked). On price 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. Code Editor sells 1 one-off in-app purchase. ReasonML asks for nothing beyond the download.
ReasonML holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: Code Editor has 43 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of ReasonML's written reviews are positive against 54% of Code Editor's.
ReasonML ships an update every 2 days, Code Editor every 5 weeks. The most recent releases landed on September 20, 2026 and October 7, 2026 respectively.
| Parameter | ReasonML | Code Editor |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 3.2 (43 ratings) |
| Positive reviews | 100.0% of reviews — better | 53.8% of reviews |
| Number of ratings | 3 | 43 — better |
| Update frequency | Every 2 days — better | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #91 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 — better | 15.6 |
| Further details — not scored | ||
| Size | 8 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Jacob Parker | Rhythm Software |
Customer experience
ReasonML
Code Editor
Bugs and requests
ReasonML
Not enough reviews yet to summarise bugs or requests.
Code Editor
Reported bugs
46 issues- Uninterruptible ads
- Cannot create new files
- Cannot copy files
- Sidebar cannot be reopened after closing
- Cannot save files
Show 41 moreShow fewer
- Settings screen does not open
- No option to open a file
- App crashes frequently
- File shown as empty, needs reopening
- No magnifying preview when selecting text
- Cannot use as target for 'open with...'
- Cannot input user data
- Cannot execute more than one file
- Image not appearing in browser
- Links not functioning
- Typing cursor moves to the beginning of the file
- Content reloads via iCloud Drive, losing data
- HTML files not running in the included browser
- C++ user input (cin >>) not working
- Save button disabled
- Cannot print files
- Bug when project runs
- Cannot save Typst files
- Cannot save Webdav files
- Cannot name files
- C/C++ compilers don't allow argument changes
- Editing .js files prevents saving/closing without discarding changes
- App crashes on opening on iPad Pro
- Error loading file content due to unsupported encoding
- Chinese input causes misalignment
- Landscape mode bug on iPhone
- FTP folder display is blank
- Code not running properly for complex operations
- Extend Script not supported
- Toolbar content overlaps and becomes unresponsive after switching apps
- Python input not executing
- File content deleted after saving
- Error when loading file content
- Landscape mode not working on iPhone
- Cannot compile sum of user input numbers in C
- Auto-completion not working well
- App closes instantly when clicking live server link
- Cannot compile C++ code with user input
- Cannot save edits
- Cannot save files on mobile
- Broken number generator due to ASCII issues
Requested features
26 requests- SFTP protocol connection
- Add a run button
- Error indicator during typing
- Custom keyboard with coding symbols
- Ability to edit visual styles/syntax coloring
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- Add tab closing functionality
- Improve console window size
- Support for trackpad/mouse scrolling
- Add automatic save feature
- Support opening files from other apps via share sheet
- Add Bitbucket support
- Add SFTP/SSH support
- Add a terminal for installing external libraries
- Support for mouse wheel scrolling
- Allow multiple file execution at once
- Add code recording/deletion function
- Support system theme switching
- Add telemetry toggle button
- Improve Git integration (manage repos, branches, etc.)
- Add i/o redirection for console programs
- Support for specific libraries (e.g., pandas, Kivy)
- Make execution button available
- Support for mouse scroll on iPad
- Open source the app
- Add landscape mode support on iPhone
- Add ability to create files from scratch
In-app purchases
ReasonML
No in-app purchases
Code Editor
- Remove Ads (Forever)$3.99
