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 →AI Bubble or Expectation Decay?
When intelligence becomes abundant, scarcity does not disappear. It moves downstream—from producing intelligence to turning it into reliable outcomes.
Why I Built Iris, and Why I Paused It
Why I built Iris, a personal AI system — and why I paused it. On State-first design, replaceable agents, controlled execution, and knowing when to stop
Latest Writing
View all →Tokens Are Cheap Now. What Comes Next?
19 minCheaper tokens don’t guarantee cheaper results. This essay explores how agents, workflows, and verification turn AI capabilities into reliable work worth paying for.
From Prompt to Token, and Finally to Yourself
10 minFrom 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?
3 minExploring 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.
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.