What Changed in 2026
For two years we built a basketball training app. Usable. Growing slowly. Then in late January 2026, we shipped a major upgrade to Coach Dan — our AI coach inside the app.
New AI model. Function-calling. Multilingual. Video analysis. Players can drop a clip of their shot and get back a 60-second AI-coached breakdown with skeleton overlay, narrated coaching, and personalized feedback.
The impact was immediate and compounding. Chatters 3.7×. Engagement depth up 42%. Retention doubled. Trial-to-paid conversion doubled.
This page is for anyone who wants to understand what's working — and what comes next.
grew nearly 4× in 90 days — without diluting per-user engagement depth. Real product-market fit, not paid-ad noise.