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Babelcraft is a native iPhone flashcard app for learning Spanish, French, Korean, or Japanese — Anki-style spaced repetition powered by the modern FSRS-5 algorithm, with curated starter decks, native audio, and progress tracking.

Babelcraft is in final testing ahead of its App Store debut. There's no fixed date yet — check back here, or follow along for the announcement.

No. There's nothing to sign up for. Open the app, pick a language, and start studying.

FSRS-5 is the modern spaced-repetition scheduler behind current Anki. Instead of a fixed interval schedule, it models how well you actually remember each card and times your next review accordingly — graded Again, Hard, Good, or Easy after each card.

Spanish (Mexico), French, Korean, and Japanese, each with its own starter deck and native voice. Switch courses any time from Settings.

Yes. Full authoring and editing is built in, with a searchable browse view grouped into collapsible categories.

Yes. Your deck lives on your device first and studying works fully offline — it syncs automatically once you're back online, if iCloud is enabled.

Yes, through your own iCloud account — your flashcards and review history stay in sync on every device you're signed into. This requires being signed into iCloud; the app falls back to a local-only store otherwise.

A toggle in Settings, available for the Spanish course, that flips the app's own interface into Spanish once the basics stick — a way to push yourself a little further without a separate app.

Yes. Babelcraft has no server, no account, and no analytics or advertising SDKs. Your flashcards and review history stay on your device and sync only through your own iCloud account. See the Privacy Policy for the full details.

An iPhone running iOS 18 or later.