chain vs WebPen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
chain
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Finally, a reminder app that understands how tasks actually work in real life. Some things need to happen in order - and Chain-Do gets it. Stop forgetting the crucial "before" steps. Chain-Do ensures you complete tasks in the right order, every time. Most reminder apps treat tasks as isolated items. But life doesn't work that way. Chain-Do understands that some tasks depend on others - and helps you build efficient workflows. Key Features: Smart Dependencies - Set up task chains where completing one action automatically triggers the next Visual Flow - See your task connections in an intuitive dependency graph Complete Privacy - All your data stays on your device, never synced to the cloud Futuristic Interface - Clean, modern design that makes complex workflows feel simple
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: chain at none against WebPen's 1. chain also leads on ads (none vs shown) and update cadence (every 4 days vs every 8 months). 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. WebPen sells 1 one-off in-app purchase. chain asks for nothing beyond the download.
chain ships an update every 4 days, WebPen every 8 months. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.
| Parameter | chain | WebPen |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.7 (7 ratings) — better |
| Positive reviews | — | 60.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Every 4 days — better | Every 8 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 25 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Devfly Digital d.o.o. | 伟强 周 |
In-app purchases
chain
No in-app purchases
WebPen
- Remove Ads$1.99









