SAPIRO - Ad-free quiz app to learn geography, history, art & nature

Sapiro is a free quiz app covering geography, history, art, and nature. 197 countries, 500+ historical figures, 553 artworks, 600 animal species. Three ways to play: Classic (10 questions, go at your own pace), Survival (3 lives, global leaderboard), and a Daily Challenge that changes every day. No ads — not even in the free version. No sneaky in-app purchases. It has Google Play's Teacher Approved badge, so you can hand it to your kids and not think twice. Every question comes with an explanation. Sapiro+ ($1.99/mo or $39.99 lifetime) adds 50+ thematic learning paths. The free version is the real app, not a teaser. French, English, and Spanish. iOS and Android.