All three descend from F1. New rules applied everywhere: per-week normalization (24.99 / 18.46 / 14.42 a week) with the billed amount always adjacent, exact savings vs weekly (42% / 26%), full annual anchor, Restore Purchases + legal on every screen.
Archives: round 3 · round 1 · shipped control. Research: r4-research.md in the repo design dir (carousel/sheet/CTA verdicts + Adapty vision catalogue).