・Your study range is now remembered — jump straight back into the range you chose last time. ・Added a quick in-app survey. We'd love to hear your feedback! ・Minor improvements and bug fixes.

• Now supports more devices (lowered the minimum required iOS version). • Stability improvements.

• 3D Atom Model: spin interactive atomic models in element details • Bohr Diagrams: electron shells visualized for every element — now in quizzes too • Fun Facts: trivia for all 118 elements • Pinch to zoom the periodic table • English spellings shown alongside quiz answers • New course: study only your goal elements • Interactive tutorial for first-timers • Daily notifications now feature fun facts • New pricing: 14-day free trial, then a one-time purchase unlocks everything — no subscription

• Added search and filters to the periodic table (search by name, symbol, atomic number, category, state, and more) • Improved the landscape layout (search and filters now fit compactly in one row) • Other minor improvements and fixes

• Added learning streaks to build a daily habit • Daily reminder notifications (fun facts & mini quizzes) • Sound effects when answering • Full periodic table view in landscape + pinch to zoom • Refreshed home screen design • Minor improvements and bug fixes

Bug fixes and performance improvements.