Turn any knowledge into study cards. The software is open source & free; build your own decks or buy premium ones.
Click a deck to see real sample cards (live templates)
Open source & free; provide your own templates and data following the spec β style and content fully customizable.
Free decks come from the open-source project; self-hostable, no subscription, no feature locks.
Buy pre-built, AI-assisted premium decks (HSK / English vocabulary).
One-time purchase. No subscription, no hidden fees.
Decks $8.99 β $14.99 USD
One-time purchase, no subscription
Decks from $8.99 USD
Anki is powerful but steep to learn, and customizing it costs a lot of effort.
Generic memory software hard-codes one study rhythm that doesn't fit every subject.
A flexible spaced-review algorithm β no forced memory pace. You decide what and when to review.
Structured study for every scenario: language, general knowledge, logic, skills, and loose facts.
Provide your own templates & data following the spec β style and content fully customizable, free and stored locally.
Or buy pre-built, AI-assisted premium decks from the author.