Fastcode vs WebPen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fastcode
A lightweight code editor for front-end developers on iPhone and iPad. It supports syntax highlighting for HTML, JavaScript, and CSS, with real-time preview and the ability to import npm packages.
- Syntax highlighting for HTML, JS, CSS
- Real-time preview of edits
- Import npm packages
- Lightweight and portable
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可能是iPhone/iPad上最轻便、最适合前端开发者的代码工具。 Fastcode是一款文本文件和源代码编辑工具。它包括以下特性： - 支持html、javascript、css等文件关键词高亮显示 - 实时预览编辑效果 - 支持引入npm包 - 更多特性敬请期待
WebPen
Write, test, and run HTML, CSS, and JavaScript code directly on your mobile device. This app offers a clean editor with live preview and the ability to instantly execute AI-generated code. Save your projects and share them easily.
- Code Editor for HTML/CSS/JS
- Instant AI Code Execution
- Live Code Preview
- Save and Store Projects
- Customizable User Interface
- Quick Code Sharing
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Want to write or test HTML, CSS, and JavaScript right on your phone? This app makes it simple: edit your code and see the result instantly. Even better—you can paste in AI-generated code and run it with just one tap! Key Features: Code Editor: Clean, easy-to-use editor for HTML/CSS/JS. AI Code Ready: Instantly run code generated by AI tools. Live Preview: Write and see the result immediately. Save Your Work: Store projects and pick up anytime. Customizable UI: Change fonts and themes to fit your style. Quick Sharing: Copy or share your code with ease. Perfect for learning, coding practice, or testing AI-generated web code on the go!
Screenshots
Verdict
The clearest difference is in-app purchases: Fastcode at none against WebPen's 1. Fastcode also leads on ads (none vs shown) and rating (4.0 vs 3.7). WebPen's advantage is ratings volume (7 vs 1). On price, update cadence 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. WebPen sells 1 one-off in-app purchase. Fastcode asks for nothing beyond the download.
Fastcode holds the better App Store score, 4.0 against 3.7. That said, the two scores are not equally well evidenced: WebPen has 7 ratings behind it against 1, so its average is the more settled of the two.
Fastcode ships an update every 5 months, WebPen every 8 months. Both last shipped on October 3, 2026.
| Parameter | Fastcode | WebPen |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | 3.7 (7 ratings) |
| Positive reviews | — | 60.0% of reviews |
| Number of ratings | 1 | 7 — better |
| Update frequency | Every 5 months — better | Every 8 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 3 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | 沛然 张 | 伟强 周 |
Customer experience
Fastcode
WebPen
In-app purchases
Fastcode
No in-app purchases
WebPen
- Remove Ads$1.99
