DevMonkey

Learn web development by shipping pages, checked against the real DOM.

macOS 14 or later Apple silicon and Intel One purchase · $10 Complete app — nothing locked No account Apple notarizedDeveloper ID signed

Website Direct edition

Pay once. Fully unlocked. Verified by Apple.

This website download is a separate direct-distribution build from the Mac App Store edition. It contains no StoreKit purchase flow or subscription screen: every feature is available after the one-time website purchase.

Apple notarized this exact disk image after an automated malware check. It is signed with the publisher's Developer ID and its notarization ticket is stapled to the download, so Gatekeeper can verify it even when your Mac is offline.

How signing, notarization and installation work

Version: 1.0.0 (build 2)
Released: 2026-08-22
Requires: macOS 14 or later
Architecture: Apple silicon and Intel
Download: 10.4 MB DMG
Apple check: Notarized · Developer ID signed
SHA-256: 5947ad5a2af61c6cfb7ffb5eda1ddc6184b9672f62d3da8bb61b01268203560d

What it is

What DevMonkey does

Teaches web development by making you build pages. HTML, CSS and JavaScript run in a sandboxed local WKWebView with a live preview and a captured console, and the checker inspects the actual DOM and computed styles rather than string-matching your source.

220 lessons across HTML, CSS, responsive design, JavaScript and DOM interaction, plus 10 capstone starters with real offline assets. The code runs in a sandboxed WKWebView on your machine, so the preview is a real browser engine.

The checker reads the rendered DOM and computed styles. That is the difference between a course that verifies you wrote the expected characters and one that verifies your page actually works.

How it does its job

Real engine preview

WKWebView renders your page offline, with the console captured alongside.

DOM-level checking

Grading inspects the rendered result and computed styles, not your source text.

10 capstone starters

Substantial projects with their own HTML, CSS and JavaScript to extend.

What it doesn't do

No backend. It teaches the front end thoroughly and stops at the network boundary.

Native, local-first, and yours

DevMonkey is a native Mac app distributed as a complete, fully activated download. No subscription, no account, no locked features, no tracking.

Buy & download

Get DevMonkey

Choose $10 for one app, $20 for two different apps, or $49 for every published app through Stripe's hosted checkout. Download on the confirmation page or open the delivery email on your Mac. Each link is single-use; your email shows its exact expiry. Keep the installer for future use. If your link expires or the download fails, ask for a replacement link with your receipt; do not buy again.

Common questions

What is DevMonkey?

A native SwiftUI app that teaches web development by having learners build real pages. HTML, CSS and JavaScript run in a sandboxed local WKWebView with a live offline preview and captured console. No account and no backend.

Who is DevMonkey for?

DevMonkey is for Mac users looking for learn to code. Learn web development by shipping pages - graded against the real rendered DOM, not your source text.

Which Macs can run DevMonkey?

DevMonkey requires macOS 14 or later. Supported architecture: Apple silicon and Intel. Check About This Mac before purchasing.

Is this the same DevMonkey edition as the Mac App Store version?

No. The Mac App Store edition can include Apple's in-app subscription system. The website Direct edition is a separately signed build with no StoreKit purchase flow: one website purchase unlocks the complete app with no recurring charge.

Is DevMonkey the full version, or are features locked?

The download is the complete app. There is no subscription, no locked tier, no account, and no trial timer — every feature is included.

How do I get DevMonkey?

Choose $10 for one app, $20 for two different apps, or $49 for every published app through Stripe's hosted checkout on this page. Download links are delivered on the confirmation page and by email. Each link is single-use; its exact expiry is shown in your delivery email. Keep the installer. If the link expires or a download fails, contact support@macossoftware.com with your receipt instead of buying again.

Is the DevMonkey Direct edition notarized by Apple?

Yes. Version 1.0.0 is signed with a Developer ID certificate, notarized by Apple, and distributed with a stapled notarization ticket. Its published SHA-256 checksum is 5947ad5a2af61c6cfb7ffb5eda1ddc6184b9672f62d3da8bb61b01268203560d.