Zìzài: Chinese Flashcards

Learn Chinese words with flashcards that come back just before you'd forget them. All of HSK, free, offline, with no account and no ads. Free, with no limits on reviews, lists or progress. Plus is optional and only there to support the app. Your data is yours: export all of it any time. Start in a minute • Simplified characters, as on the mainland, or traditional, as in Taiwan. Switch any time. • All of HSK 3.1, from Level 1 to Level 7–9: about 10,900 words, each with pinyin and English from the CC-CEDICT dictionary. Reviews that fit your life • FSRS-6, a modern spaced repetition scheduler, decides when each word comes back. • See the hanzi, recall it, show the answer, then rate it: Again, Hard, Good or Easy. Each button shows when you'll see the word next. • One batch at a time, with an estimate of the minutes it takes. • Done and still curious? Review ahead, or learn a few more words and see how many reviews they'll add. • Your pace: 20 new words a day to start, more whenever you want, and your own recall target, 80% to 95%. • Back after a break? The words most likely forgotten come first. No streaks, nothing to lose. • Mis-tapped? Undo takes you back to the answer. • Hear each word read aloud in your phone's own Chinese voice. • Got a keyboard? Space shows the answer, 1 to 4 rate it. Dig deeper • Tap a character of a word to look it up on its own. • Open a word in Pleco right from its card, if you have Pleco. • Make your own lists, nest them, and add words straight from the clipboard. • Import and export lists as Pleco flashcard files. Quiet by design • A daily reminder if you want one: one nudge at your time, only when words are waiting. Never more. • The What's due widget shows on your home screen when words are ready, and stays quiet when they're not. • Your progress: words learned per week and month, and what's coming up. • A seal stamps each day you study and each HSK level you finish. Every week starts fresh. • Brush or print style characters, light and dark themes, higher contrast. Your data, on your phone • No account, no ads, no analytics. Studying works offline. • Save all your progress as one .zizai file and restore it on any phone. • Android backup brings your progress to a new phone, if backup is on. • Delete all progress to start fresh, with 30 days to change your mind. • Crash reports are off unless you turn them on. Zìzài Plus Want to support Zìzài? Plus is a monthly subscription through Google Play. You don't need it to learn, back up or export anything. As a thank-you, supporters get a closer look: charts for all words or any list (learned over time, recall rate against your target, ratings, answer times), their hard words, each word's review history with its FSRS interval, stability and difficulty, and a word browser to filter, sort and export a selection. Sources Dictionary: CC-CEDICT by MDBG, licensed under CC BY-SA 4.0. Based on CEDICT, © 1997, 1998 Paul Andrew Denisowski. Word lists: based on the HSK syllabus (2025) by the Center for Language Education and Cooperation (CLEC) / Chinese Testing International (CTI). Only the words and their levels are used. "HSK" is used for identification only. Zìzài is not affiliated with or endorsed by CLEC, CTI or Hanban.