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Can GPT-4.5 help me build a working Mac app from scratch in just 30 minutes? No templates, no pre-written code—just me, SwiftUI, and GPT-4.5. OpenAI’s expensive ($$$) new model requires $200/month Pro plan. Did AI speed up development or slow me down? See the results for yourself! 👉 Watch the Challenge Video Here Want the exact code and ChatGPT prompt I used? 👉 Download the GPT-4.5 Mac App Starter Kit Happy coding, |
Join 5,901+ iOS/macOS developers using Codex and agents to build and ship apps. Expect practical tutorials, repeatable workflows, and hard-earned lessons from 7 shipped apps and time at Apple, Microsoft, and GoPro.
Hey Reader, My iOS and macOS app development workflow has changed since my last GPT-5.2 Workflow video. GPT-5.4 lets me iterate on bug fixes, features, and ideas much faster than before. Watch: How I Build Apps with Codex and GPT-5.4 If you want to build apps with agents, use my app-creator skill. It can scaffold a new Xcode project and teach your agent how to create a Makefile for an existing Xcode project. 2 Tactics You Can Steal #1 Use a Learnings.md File with Your Agent Self-improvement...
Hey Reader, I’m launching early access for my new app-creator agent skill for iOS/macOS apps today! In this email: 2 Tactics You Can Steal This Weekend 5 Resources and Links Community Spotlight What does app development look like in 2026? Coding has forever changed over the last 3 months. I’m all-in on app development with Codex 5.3. It’s a workhorse. If you’re an idea person still learning the basics, you have a huge opportunity. Gone are the days when you need to know every line of code....
Hey Reader, This week is exciting. GPT-5.3-Codex launched today, so I put together a short video covering the five key updates (and a demo of what it can do). I didn't want to go back to GPT-5.2, after I got early access to GPT-5.3-Codex last week. The 5.3 model is faster and smarter. I can do more in less time. Watch here: GPT-5.3-Codex Launches Today — 5 Things You Need to Know The new Codex App + Plan mode + GPT-5.3-Codex helped make this video possible. Try it out and let me know what you...