FlashStacks - Flashcard study

Your flashcards, on your Home Screen.

FlashStacks turns your study cards into beautiful Home Screen and Lock Screen widgets. Glance at a question between classes. Tap to reveal the answer. Move to the next card — all without opening the app. Learning fits into the moments already filling your day.

Always visible, always ready

Your stacks live as widgets that rotate automatically throughout the day. Every time you check your phone, there's something new to learn. Tap to reveal, tap to advance.

AI-powered deck generation

Upload any PDF — lecture notes, textbook chapters, study guides — and AI instantly creates a complete flashcard deck. Choose high-yield mode for exam prep or comprehensive for full coverage. Every card is widget-ready from the start.

Spaced repetition that works

FlashStacks uses the same proven science behind Anki. Cards you struggle with come back sooner. Cards you've mastered fade into the background. Study smarter, not longer.

Image occlusion cards

Add any image — diagrams, anatomy, maps — and draw boxes over areas to hide. Tap to reveal what's underneath. Perfect for visual subjects.

Beautiful by design

Every stack gets its own colour palette — soft pastels or bold modern tones. Widgets match your stack's colours. Dark mode uses pure OLED black.

Track your progress

Per-stack stats show mastery level, difficulty breakdown, and 14-day activity. Build a streak. Hit your daily goal.

FlashStacks Premium

Create unlimited stacks, generate decks from PDF with AI, add image occlusion cards, and study from your Lock Screen.

Monthly and annual plans available. 3-day free trial included with annual.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/