StackCards - Flashcards

StackCards is a beautiful, focused flashcards app for studying anything languages, math, science, code, history, or any subject you want to master. Create a card, add the answer, and review it until it sticks. No clutter, no accounts, no subscriptions. MADE FOR ANY SUBJECT • Basic cards - a question or term and its answer • Vocabulary cards - a word or phrase and its translation • Formula cards - a name and its formula, with a math symbols keyboard • Code cards - concepts with syntax-highlighted snippets in 17+ languages SMART STUDY • A smart review mode that brings back the cards you miss and haven't seen in a while • Study modes: smart mix, hardest first, least reviewed, and shuffle • Beat-the-clock timed mode • Swipe to rate, tap to reveal, flip for examples and notes STAY ORGANIZED • Group cards into collections and subfolders • Color tags and instant search • Drag & drop to move and reorder • Export and import collections to share or back them up BUILD A HABIT • A daily streak that keeps you coming back • Optional evening reminder if you haven't studied • Unlock an exclusive theme and card style at a 100-day streak MAKE IT YOURS • Light, dark, and system appearance • Accent colors, animated backgrounds, and animated card styles • Track your progress with mastered / learning / new stats PRIVATE BY DESIGN Everything stays on your device. StackCards doesn't track you and doesn't collect your data. STACKCARDS PREMIUM Unlock everything with a single payment - yours forever, no subscription: • Unlimited collections and nested folders • Every theme, accent color, and card style • Add images to your cards • Unlimited imports of any size The free plan includes up to 3 collections, unlimited cards, and one level of subfolders - plenty to get started.