StackCards

Study smarter with beautiful flashcards, no accounts or subscriptions

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Added Jul 2026

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What is Stackcards?

StackCards is a privacy-first flashcard app for iOS and iPad that helps users master any subject through smart spaced repetition and beautiful, customizable study modes. Create cards for languages, math, science, code, history, or any topic, then review using intelligent algorithms that prioritize difficult material. The app keeps everything on your device with no tracking, accounts, or mandatory subscriptions.

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Key Features of Stackcards

Smart review algorithm that prioritizes missed cards
Multiple study modes: smart mix, hardest first, least reviewed, shuffle
Timed beat-the-clock mode
Basic, vocabulary, formula, and syntax-highlighted code cards
Collections with nested subfolders and color tags
Daily streak tracking with 100-day unlock rewards
Light, dark, and system appearance themes
Accent colors and animated backgrounds
Image support (Premium)
Export and import collections
Optional evening reminders

Who Should Use Stackcards?

Learn foreign languages with vocabulary cards

Mastering mathematics formulas

Studying science concepts and definitions

Learning programming syntax and concepts

Historical facts and dates

General academic subjects

Stackcards: Pros & Cons

✓Pros

Privacy-focused: no data collection and everything stays on device
No subscriptions required for core features
Beautiful and customizable interface
Smart algorithm targets weak areas
Daily streak system builds study habits
Free plan offers generous features (3 collections, unlimited cards)
One-time payment for Premium unlocks all features forever
Supports 11+ languages

✕Cons

Free plan limited to 3 collections and one level of subfolders
Requires iOS (no Android version mentioned)
Image support only in Premium tier

Frequently Asked Questions about Stackcards

Does StackCards require an account or subscription?

No. StackCards has no accounts or mandatory subscriptions. The free plan includes plenty of features, and Premium is a one-time payment that lasts forever.

What types of cards can I create?

You can create basic question/answer cards, vocabulary cards with translations, formula cards with a math symbols keyboard, and code cards with syntax highlighting in 17+ languages.

Is my data private and secure?

Yes. Everything stays on your device, StackCards does not collect or track any of your data.

What does the daily streak feature do?

The daily streak keeps you coming back to study every day. At 100 days, you unlock an exclusive theme and card style. You can also set optional evening reminders.

What's the difference between the free plan and Premium?

Free includes up to 3 collections, unlimited cards, and basic features. Premium adds unlimited collections, nested folders, all themes and colors, the ability to add images, and unlimited collection imports.