Pythona vs HTML Viewer & Editor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pythona
Run Python 3.14 and large language models entirely on-device with a full-featured IDE. Supports Jupyter-style notebooks, scientific computing libraries, and local AI inference without API keys.
- Jupyter-style notebooks
- On-device AI & machine learning
- Preinstalled scientific computing libraries
- Local Python 3.14 environment
- Smart code completion
- Markdown file preview
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Run Python — and large language models, fully on-device — right on your iPhone and iPad. Pythona is a full-featured Python 3.14 IDE that brings real scientific computing, notebooks, and local AI to your device. Jupyter-style notebooks Write and run Python in cells, just like Jupyter — charts, tables, images, and math render inline. Open, edit, and save .ipynb files to run data analysis and experiments anywhere. On-device AI & machine learning Run large language models entirely on-device with MLX, Apple's ML framework for Apple Silicon — inference runs locally, no API keys required. Try the included local LLM demo to get started in seconds. Scientific computing, preinstalled NumPy, SciPy, scikit-learn, Pandas, Matplotlib, OpenCV and more come precompiled and ready to import. A local Python environment - Python 3.14 with popular libraries - Smart, fast code completion - Syntax highlighting for many languages (JavaScript, C, Rust, Go, HTML, CSS, Shell, and more) - Markdown file preview - Create, save, and organize your scripts, and install more pure-Python packages via the built-in package manager Whether you're prototyping ML ideas, running data analysis, or learning Python on the go, Pythona puts a genuinely capable Python environment in your pocket.
HTML Viewer & Editor
This app is a native code editor for HTML, CSS, and JavaScript on iPhone and iPad. It allows users to write, preview, and test web code instantly, with features like syntax highlighting, line numbers, and template options. Project data is stored locally for privacy.
- HTML, CSS, JavaScript code editor
- Syntax highlighting
- Live preview and testing
- Code templates
- Local project storage
- SSH/SFTP remote access
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Codex - HTML Editor Code, Preview & Test Write HTML, CSS, and JavaScript and see your work come to life — right on your iPhone and iPad. Codex is a fast, clean, native code editor built for learning web development and building projects on the go. No account, no clutter — just open and start coding. WRITE CODE FAST Full editor for HTML, CSS & JavaScript Syntax highlighting with light & dark themes Line numbers and a distraction-free, native interface INSTANT PREVIEW & TEST Live preview your pages instantly on device Test your HTML, CSS, and JavaScript without leaving the app See changes as you build START FROM TEMPLATES Kick off with ready-made templates (Blank, Landing page, and more) Save time and learn from clean, working examples ORGANIZE YOUR WORK Manage multiple projects Everything stored locally — your code stays private on your device REMOTE ACCESS (SSH/SFTP) Connect to your own servers to work with remote files Credentials stored securely in the device Keychain PRIVATE BY DESIGN No sign-up required We never upload or read your code CODEX PRO Unlock the full experience with Pro: Unlimited projects All premium templates SSH / SFTP remote access Pro is available as a monthly or yearly subscription, or a one-time Lifetime purchase. Try Codex free, upgrade anytime. Whether you're learning to code, prototyping an idea, or editing files on the go, Codex - HTML Editor gives you a powerful web editor in your pocket. Download Codex today and start building. Privacy Plicy: https://sites.google.com/view/htmleditor-privacypolicy/home Terms of Use: https://sites.google.com/view/html-editor-terms-of-use/home
Screenshots
Verdict
The clearest difference is in-app purchases: HTML Viewer & Editor at none against Pythona's 1. HTML Viewer & Editor also leads on review sentiment (100% vs 71%). Pythona's advantage is update cadence (every 6 days vs fortnightly) and ratings volume (5 vs 1). On price, rating, 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. Pythona sells 1 one-off in-app purchase. HTML Viewer & Editor asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Pythona against 5.0 for HTML Viewer & Editor. That said, the two scores are not equally well evidenced: Pythona has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 71% of Pythona's written reviews are positive against 100% of HTML Viewer & Editor's.
Pythona ships an update every 6 days, HTML Viewer & Editor fortnightly. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.
| Parameter | Pythona | HTML Viewer & Editor |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (1 ratings) |
| Positive reviews | 71.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 6 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 552 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | 志远 刘 | MD UZZAL MIA |
Customer experience
Pythona
HTML Viewer & Editor
In-app purchases
Pythona
- Pythona Pro$9.99
HTML Viewer & Editor
No in-app purchases
Questions
Is Pythona free?
Is HTML Viewer & Editor free?
Which has better reviews, Pythona or HTML Viewer & Editor?
Do Pythona or HTML Viewer & Editor have ads?
Which is updated more often, Pythona or HTML Viewer & Editor?
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