WebOPC.space - Walter Sun
Building apps.
Analyzing systems.
Sharing experiments.
Growth Engineer · AI Builder · Indie Hacker
I build apps, study growth systems, and write about what I learn from real-world experiments in AI, mobile ads, products, and engineering.
Featured Writing
All writing →From Prompt to Token, and Finally to Yourself
From prompts to tokens, AI is changing how we work, think, and create. But as AI becomes more capable, the most important question remains: what is still uniquely yours?
Should AI Coding Be More Free or More Controlled?
Exploring the balance between AI creativity and engineering discipline. CDF (Controlled Development Flow) is a framework for building safer, more predictable AI-assisted software development workflows.
Latest Writing
View all →The AI Productivity Illusion
10 minAI makes generation faster, but real productivity still depends on judgment, validation, and delivery.
Projects
All projects →iapStats
In developmentMobile monetization and acquisition analytics.
Codetoken.Cloud
ActiveAn OpenAI-compatible AI API gateway for Codex, Claude, and multi-model workflows.
Visit projectDeepCheck
ActiveA web-based public information analysis tool.
Visit projectParseAny.link
ActiveA web-based public information analysis tool.
Visit project
More about me on the About page.