Deck Lens vs FSRS Mobile

Study smarter, not harder. Deck Lens is a clean, focused flashcard app built for learners who love Anki but want a more modern experience on their phone. Import your existing Anki decks, study with proven spaced repetition, and watch your progress grow — all without the clutter. Import Your Anki Decks Instantly Already have .apkg files? Just open them in Deck Lens. Your cards, media, and deck structure come along for the ride. Switching from Anki has never been easier. Spaced Repetition That Works Deck Lens uses the SM-2 algorithm — the same proven system behind Anki — to schedule your reviews at the perfect time. Rate each card as Again, Hard, Good, or Easy, and the app handles the rest. You'll see exactly when each card comes back before you tap. A Study Experience You'll Actually Enjoy Flip through cards with smooth animations, track your session progress, and get a summary when you're done. Set daily review limits so you never feel overwhelmed. Swipe Mode Prefer gestures? Swipe through your cards for a fast, tactile study flow. Know Where You Stand Check your stats anytime: review heatmap, retention rate, streak counter, and cards broken down by status (new, learning, review). See what's working and where to focus. Create and Edit Your Own Decks Build flashcards from scratch or tweak imported ones. Deck Lens supports rich card content so your notes look the way you want. Export and Share Export any deck back to .apkg format and share it with friends, classmates, or your other devices. Your data is always yours. Available in English, German, and Turkish. Whether you're learning a new language, studying for exams, or memorizing anything else — Deck Lens gives you the tools to make it stick.

FSRS Mobile is a native flashcard app for iPhone and iPad, built for people who already have decks and want a focused way to review them anywhere. Import .apkg deck packages, keep your media available offline, and study with FSRS spaced repetition. No subscription. No required account. Just open your deck and start reviewing. KEY FEATURES - Import .apkg deck packages from Files or the iOS share sheet - Study with FSRS spaced repetition and four clear review ratings - Review offline with local media, images, audio, HTML, cloze cards, and LaTeX support - Create and edit cards with rich text, tags, images, audio, and cloze helpers - Browse and search cards across your collection - Track retention, streaks, review history, and upcoming workload - Use Home Screen widgets and daily reminders to keep your habit visible - Export decks back to .apkg when you want to move or back up your cards FSRS Mobile is designed for language learners, medical students, certification prep, and anyone who studies from large flashcard decks on iOS. PRIVACY Anonymous product analytics and optional in-app feedback help improve FSRS Mobile. No account, advertising, session replay, or personal identifiers are used. Your decks and review history stay on your devices.