Frank and James dig into iCircuit’s UI — why the toolbar feels crowded, popovers that behave like iPad-only elements on iPhone, and a broken help/sign-in flow (spoiler: OpenURL deprecation in iOS 26 and TestFlight/App Review quirks are partly to blame). They trade practical takeaways on in‑app vs external browsers, cross-device/SDK testing, and the tiny polish fixes that make real apps feel professional.