Simba Cai

@Simbac

Guangzhou, Guangdong, People's Republic of China

Rivallens
Pre-revenueBuilding in Public
Rivallens is an AI Startup Intelligence Platform that helps founders reverse engineer successful AI products. Analyze any AI startup URL to uncover business models, pricing strategies, competitors, growth signals, and market opportunities — then continuously monitor changes and make better product decisions.

Recent activity

Commented onI tested a voice journaling app idea on our own tool. The result was uncomfortable.2026-08-11
Commented onAI builds apps in a weekend, but finding "WHAT" to build still takes weeks2026-08-11
Commented on104 days building Debnix- Full story2026-08-11
Commented onHow I stopped doing competitor research wrong!2026-08-11
Commented onI spent 20 hours on competitor research. Here's how I cut it to 2.2026-08-11
Commented onI think most founders are doing competitor research wrong2026-08-11
Commented onI built Rivallens because understanding AI startups was harder than it should be2026-08-11
PostedI built Rivallens because understanding AI startups was harder than it should be2026-07-23