Comparison

Doufu vs DevStack Tools

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Doufu

Create, organize, and preview HTML, CSS, and JavaScript projects locally on your device. Features a file browser, syntax-highlighted editor, and live preview. Optional LLM integration assists with code editing.

Highlights
  • Local HTML, CSS, JavaScript project management
  • Sandboxed local web server
  • Syntax-highlighted code editor
  • Live preview of changes
  • Automatic Git version tracking
  • Optional LLM code assistance
Features
Read full description

Doufu is a local HTML project viewer and editor for iPhone. Create, organize, and preview HTML, CSS, and JavaScript projects directly on your device. Each project runs in a sandboxed local web server. You can browse files, edit code, and see changes instantly in the built-in preview — all without an internet connection. PROJECT MANAGEMENT Create multiple projects, each with its own file structure. Doufu provides a file browser, syntax-highlighted editor, and live preview. Import and export projects as .doufu or .doufull archives. VERSION HISTORY Changes are automatically tracked with Git checkpoints. Browse your edit history and restore to any previous version at any time. LLM INTEGRATION (OPTIONAL) Connect your own LLM service to assist with code editing through a chat interface. You need to provide your own API key or log in with your account. Doufu does not include any built-in LLM service and is not affiliated with any provider. API usage fees are charged by the respective service providers. DEVICE CAPABILITIES Projects can request access to device features such as camera, microphone, location, clipboard, and photo library. Each capability is controlled independently per project — you decide what each project can access. PRIVACY All project files, data, and conversations are stored locally on your device. Nothing is uploaded to any external server. ----------- EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

DevStack Tools

Features
Read full description

DevStack is the ultimate offline toolbox designed specifically for developers. Stop pasting your sensitive data, JSONs, and JWT tokens into random websites! DevStack brings all your essential daily utilities into one blazing-fast, privacy-first application that works entirely offline. Features include: • Formatters & Minifiers (JSON, XML, SQL, JavaScript) • Encoders & Decoders (Base64, URL, JWT) • Generators (UUID, Hash, QR Code, Lorem Ipsum) • Converters (Number Base, Date & Time) • Text Utilities (Regex Tester) • Design Tools (Color Picker) Boost your productivity and keep your data safe today with DevStack!

Screenshots

Doufu4 screens
DevStack Tools3 screens

Verdict

The call

The clearest difference is update cadence: Doufu at every 3 days against DevStack Tools's every 6 weeks. DevStack Tools's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 26.0). On price, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Doufu ships an update every 3 days, DevStack Tools every 6 weeks. Both last shipped on November 5, 2026.

Scorecard3 real differences · 6 level
Doufu versus DevStack Tools: the parameters behind the verdict, then further details
ParameterDoufuDevStack Tools
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS26.013.0 — better
Further details — not scored
Size32 MB29 MB
Age rating17+4+
DeveloperZIZICICI LIMITEDMan Sao Ng

In-app purchases

None

Doufu

No in-app purchases

None

DevStack Tools

No in-app purchases

Questions

Is Doufu free?
Doufu is free to download, with no in-app purchases.
Is DevStack Tools free?
DevStack Tools is free to download, with no in-app purchases.
Do Doufu or DevStack Tools have ads?
Neither Doufu nor DevStack Tools shows ads.
Which is updated more often, Doufu or DevStack Tools?
Doufu ships an update every 3 days, and DevStack Tools every 6 weeks. Most recently, Doufu was updated on November 5, 2026 and DevStack Tools on November 5, 2026.

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