Instantly create flashcards from any topic, PDF, or notes using AI. Import existing decks and study with intelligent pacing, avoiding overwhelming daily loads. Track progress with streaks and forecasts, all within a user-friendly interface.
1.5
July 15, 2026
Redesigned for daily studying — the biggest update yet. • Daily pacing: new cards from AI, PDF, and Anki imports are introduced gradually, never all at once • Reviews come before new cards, so what you already know stays fresh first • Your streak, today's due count, and a 7-day forecast are now free for everyone • Undo your last rating, bury a card until tomorrow, or cram before an exam without touching your schedule • Knowledge Health score shows how well you're retaining material at a glance — free, not locked • Smarter, streak-aware reminders that only notify you when there's actually something to study • Upgraded to the official FSRS-5 algorithm for more accurate scheduling • Countless polish and stability improvements
MoreYearly Index Pro subscription
$69.99
Index Pro Lifetime
Lifetime access
Index paces new cards daily to prevent overwhelming users, unlike some other apps that might present a large number of new cards at once. This ensures a more manageable learning experience.
Yes, Index allows you to import your Anki decks in seconds, and your scheduling history will be preserved. This makes switching to Index a seamless process for existing Anki users.
The free tier includes 5 decks, unlimited cards, 10 AI generations per month, 5 PDF imports per month, and unlimited Anki imports. This generous free tier is available forever.
Index Pro offers unlimited AI generation, unlimited PDF imports, and deeper analytics such as decks at risk and hardest cards. It provides a more comprehensive study experience for dedicated learners.
No, Index does not contain advertisements. The app is ad-free, allowing for an uninterrupted study experience.
Index uses the FSRS-5 spaced repetition algorithm, which is the same algorithm used by Anki. This ensures an effective and proven method for memorization.
The app was last updated on July 15, 2026, indicating active development and maintenance. Users can expect ongoing improvements and feature additions.
Index is currently supported on iPhones. Cross-device syncing is available, ensuring your study progress is accessible across your devices.
