Retenio

Retenio is the smart flashcard app that helps you learn and keep knowledge for good, using the science-backed FSRS spaced repetition algorithm. KEY FEATURES: - Smart Spaced Repetition (FSRS-6): every card comes back right before you would forget it. - Focused study screen: a large card, remaining counts, the next review time under every rating, and undo. - Rich flashcards: text, images, audio recordings and fill-in-the-blank (cloze) cards. - Study both directions and have cards read aloud. - Statistics from your real study history: streaks, weekly chart, heatmap, card maturity. - Home Screen and Lock Screen widgets. - CSV import and export. - 4 languages: English, Turkish, Spanish, German. - Themes and daily reminders. RETENIO PRO INCLUDES: - Unlimited decks and cards - Image cards and audio recordings - iCloud sync across your devices - Text from photos: scan notes and book pages - AI cards from your notes, created on your device (on devices that support Apple Intelligence) - Study right from a Home Screen widget Start for free. Upgrade to Pro when you are ready. Retenio Pro Lifetime: $49.99 (one-time purchase) Retenio Pro Annual: $14.99/year Retenio Pro Monthly: $1.99/month Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/