How I Built CardWarden. (Part 2)
Design decisions behind CardWarden: security architecture, family sync, what data is collected, and why the monetization model is structured the way it is.
Klarna Killed Stocard. So I Built CardWarden. (Part 1)
How Klarna's acquisition changed Stocard for 49 million users — and the design gap that led one indie developer to start building CardWarden.