Offline by default
Create decks, edit cards and review without a connection. Durable sync resumes later.
A focused language-learning app with durable offline study, four card types, SM-2 and FSRS scheduling, synchronization and permanent audio.
Create decks, edit cards and review without a connection. Durable sync resumes later.
Basic, reversed, sentence and cloze cards, tags, search and device speech preview.
Choose SM-2 or FSRS. Every review is idempotent and safely reconciled across devices.
Kotlin and Jetpack Compose on Android; Flutter on Windows 10 and 11 and in the browser.
VERSION 1.0
The Android APK is signed with the NikGob release key. The installed apps keep their study database until you uninstall them; the browser version stores it in site data, which clearing your browser will erase — so treat it as a companion rather than your main device.
SHA-256
7f3d9bcbe4d5143b9bf4a13fd36f1ad42eddf08b4e72fcc7b643c5e40c74fcdd5cc0cf25a536763b3b5d04732818d222c96ce500ae762b7edf7f8b0ea2dfac44Also as SHA256SUMS. Check a download with sha256sum -c SHA256SUMS, or Get-FileHash in PowerShell.