• NEW: study By Category in Rapid Fire — alongside Random Mix and By Domain
• Brighter, clearer domain colors across the whole app
• Clearer readiness rings and gauges with a crisper results screen
• Flashcards refined — cleaner sizing, easier-to-read badges
• Clearer pricing screen — details match your selected plan
• 2,500+ questions, 5 domains, 180 study materials, 110-term glossary
• Dozens of readability, reliability, and dark-mode fixes