--- title: "Louis Chen (@louischen737) | Hashnode" description: "Indie developer building macOS & iOS apps. Read the latest articles by Louis Chen on Hashnode." url: "https://hashnode.com/@louischen737" --- @louischen737 # Louis Chen @louischen737 · Joined January 2026 Indie developer building macOS & iOS apps [Website](https://louisbuilds.me/) ### [I Thought a Dictionary Was Enough to Build an IPA App. I Was Wrong.](https://louisbuilds.hashnode.dev/i-thought-a-dictionary-was-enough-to-build-an-ipa-app-i-was-wrong?utm_source=hashnode&utm_medium=feed) What I learned building an offline English-to-IPA formatter with sentence grouping, word-by-word layout, OOV handling, and teacher-friendly exports. 11 min read · [louisbuilds.hashnode.dev](https://louisbuilds.hashnode.dev/i-thought-a-dictionary-was-enough-to-build-an-ipa-app-i-was-wrong?utm_source=hashnode&utm_medium=feed) [Apr 25](https://hashnode.com/posts/i-thought-a-dictionary-was-enough-to-build-an-ipa-app-i-was-wrong/69ecd6d314b6663632cf2a37) ### [The 500MB Crisis: How a Technical Disaster Forced My macOS AI Tool to Evolve](https://louisbuilds.hashnode.dev/the-500mb-crisis-how-a-technical-disaster-forced-my-macos-ai-tool-to-evolve?utm_source=hashnode&utm_medium=feed) From a simple web prototype to a high-performance macOS tool: Lessons learned from a 500MB deployment disaster. 3 min read · [louisbuilds.hashnode.dev](https://louisbuilds.hashnode.dev/the-500mb-crisis-how-a-technical-disaster-forced-my-macos-ai-tool-to-evolve?utm_source=hashnode&utm_medium=feed) [Apr 3](https://hashnode.com/posts/the-500mb-crisis-how-a-technical-disaster-forced-my-macos-ai-tool-to-evolve/69cf3e3721e7d6350691c680) ### [Building TransMov: A macOS Video & Animation Tool for Designers and Developers](https://louisbuilds.hashnode.dev/building-transmov-a-macos-video-and-animation-tool-for-designers-and-developers?utm_source=hashnode&utm_medium=feed) How I created TransMov: fast, local AI video processing for designers and developers. 2 min read · [louisbuilds.hashnode.dev](https://louisbuilds.hashnode.dev/building-transmov-a-macos-video-and-animation-tool-for-designers-and-developers?utm_source=hashnode&utm_medium=feed) [Jan 14](https://hashnode.com/posts/building-transmov-a-macos-video-and-animation-tool-for-designers-and-developers/69675c927cc9e791d07f3310)