Design
I had tried other flashcard apps but just wanted one that was minimal with spaced repetition, and this does just that really well! Great addition to anyone’s language learning routine!
Free
In-App Purchases
About
Create flashcards from your own experiences and conversations. This app uses spaced repetition to help you remember vocabulary longer with less study. It supports over 100 languages and offers offline study capabilities.
✓Create cards from stories and conversations
✓Spaced repetition system (FSRS)
✓Offline study mode
✓Automatic translations
✓Supports over 100 languages
✓Romanization for select scripts
✓Clean, minimal interface
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What's New in Stacks
1.2.0
April 26, 2026
Added Craft feature; you can now generate cards with AI.
Subscription plans
Stacks+ Yearly
Stacks Plus Yearly Premium Subscription
$27.991 Year
User reviews
Developer apps
FAQ
What is the learning methodology used by Stacks?
Stacks utilizes a spaced repetition system (FSRS) to schedule reviews at optimal times, helping users remember vocabulary longer with less study. This method is scientifically proven to enhance long-term memory retention.
How does Stacks track user progress?
User progress is automatically synced across all devices, ensuring a seamless learning experience. The app focuses on efficient vocabulary acquisition through personalized review scheduling.
What are the subscription options for Stacks?
Stacks offers a free tier with up to 40 cards. For unlimited cards, premium DeepL translations, and spaced repetition customization, users can upgrade to Stacks Plus, available quarterly for $9.99 or yearly for $27.99.
Does Stacks have ads?
No, Stacks is ad-free. The app is designed to provide a focused learning environment without distractions, allowing users to concentrate solely on mastering vocabulary.
What languages does Stacks support?
Stacks supports over 100 languages, making it a versatile tool for global language learners. It also offers romanization for select languages with non-Latin scripts like Japanese, Arabic, Russian, and Hindi.
Can I use Stacks offline?
Yes, Stacks allows for offline study, which is ideal for learning on flights, trains, or in areas with no internet connection. Your progress will sync automatically once you reconnect.
What is the age rating for Stacks?
Stacks has an age rating of 4+, making it suitable for a wide range of users, including children and adults interested in language acquisition.
How often is Stacks updated?
The latest version of Stacks is 1.2.0, last updated on April 26, 2026. Updates typically include new features, performance improvements, and bug fixes to enhance the user experience.
