SergioX3

Indie app developer (iOS & macOS) · Founder of AppX3
Building creative tools like Photo Xpert & SunSpotter 📸☀️

Recent activity

I built SunPath — an app to visualize sunlight anywhere on earth

Brushing it off: strength or silence?

Self-funding to get from side project to full-time business in 4 years

I built an AI secretary that lives in your WhatsApp — and it's not just another chatbot

Building a product in 20 hours and growing it to a 5-figure ARR

Hitting a $5M+ ARR and selling for $35M

Is this the end of “Build in Public”? Here's why top indie hackers are suddenly disappearing.

The Five-Foot Zone

Getting millions of impressions and hundreds of paying customers in 24 hours

I Built a SaaS Using the SaaS Itself (Before It Existed)