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Every Daizy feature

Daizy is a vocabulary app for iPhone, Android, and the web. You build your own word database, and Daizy turns it into a short daily quiz scheduled by FSRS, a modern spaced-repetition algorithm, so each word comes back just before you would forget it.

Download on the App StoreGet it on Google Play

Adding words

Each card holds a word, its meanings, and an example sentence. Add as many meanings as you need; the example is optional.

  • Duplicate and empty meanings are tidied away when you save.
  • A word you add today joins your daily quiz from tomorrow.

When the card is done, tap a deck folder to file it right away — or move on without a deck.

Open a word to see when you added it and every quiz result it has had, hit or miss.

Edit or delete any word at any time. Deleting a word removes its study history too.

Decks

Create, rename, and delete decks. When you delete one, you choose whether its words stay or go with it.

Set the word language and the meaning language for each deck, so several languages never mix. Supported: English, Korean, Japanese, Chinese, Spanish, French, German, Italian, Portuguese, Russian, Vietnamese, Thai, Indonesian, Arabic, Hindi, Turkish, Dutch, Polish, Swedish, and Ukrainian.

  • Set in the iPhone and Android apps.

Pick a folder color from 17 hues or white, and add up to two stickers from 22 shapes and 22 flag stamps so each deck stands out.

  • Stickers are added in the iPhone and Android apps.

Daily quiz

Recall the meaning, flip the card, and rate it Again, Hard, Good, or Easy. FSRS uses those ratings to schedule each word’s next review.

The default is 30 words a day; choose anywhere from 1 to 200, or turn the limit off. Under a limit, a third of the places go to new words. Changes apply from the next day.

After a break of three days or more, overdue words are spread over several days instead of piling onto one.

Picked the wrong rating? Go back and regrade the previous card.

  • Optionally turn to the next card as soon as you rate.
  • After repeated misses on a word, Daizy can ask you to write your own example sentence.
  • On the web, use the keyboard: arrow keys, Space, and Enter.

Other quizzes

Pick words and repeat them until you get every one right — ideal right before a test.

Run a cramming quiz on a whole deck.

See your own example sentence with the word hidden, and recall it. Uses words that have an example.

Browse and search

Choose List, Cards (flip one at a time, shuffle again), or Decks (a folder grid with a per-row setting), and pick which view Browse opens in.

Search your words, filter by deck, no deck, or with/without an example, and sort by newest, oldest, A–Z, or hardest.

Progress and stats

Adding a word, reviewing, or finishing a cramming or fill-in-the-blank session keeps your streak alive, shown with this week’s strip.

A full set of numbers about where your memory stands.

  • Reviewed today and 14-day accuracy
  • Word states: new, learning, review, relearning
  • Word growth by day, week, or month
  • A two-week review forecast
  • Memory strength by FSRS stability
  • A weekday-by-hour study heatmap for the last 90 days

Reminders and widgets

Review reminder

  • iOS
  • Android

Get a reminder at the time you choose each day. With Daizy Cloud, it is sent only on days with words due.

  • If your streak is at risk, a nudge arrives at 9 pm.
  • Reminders arrive on iPhone and Android.

Check in from the Home Screen and the Lock Screen.

  • Daily Quiz: words left today (Home Screen and Lock Screen)
  • Streak calendar
  • Streak and quiz
  • This week
  • Word at a Glance: your saved words and their meanings rotate on the Lock Screen

Keep a saved word and its meaning on your Home Screen, with a different word every hour.

Import, share, and back up

Open an Anki file (.apkg or .colpkg). Choose the decks, the note types, and which fields become the word and the meaning; Daizy guesses the language pair from the content and merges words you already have.

  • Up to 64 MB; text only — media and Anki review history are not imported.
  • Import in the iPhone and Android apps.

Export a deck as a Daizy deck file (.daizydeck) and send it to a friend. Opening one shows a preview — new words, words gaining meanings, words already there — before you import.

Daizy Cloud and your account

Sync across devices

  • Cloud subscription

Words, decks, and study history stay in step on every device, and you can study in a web browser too.

Sign in with an email link or six-digit code, Google, or Apple.

When you first sign in, the words on your phone move to your account. If the account already has words, preview and choose: merge both, keep this device, or keep the cloud.

Subscribe monthly through the App Store or Google Play. See your status and payment history in the app, and restore purchases.

Comfort and accessibility

Pick your Home Screen icon: Light, Dark, Blue, Sage, or Lilac.

On phones, controls answer with haptics; the app follows your reduced-motion setting and labels its controls for screen readers.

Report a bug or request a feature from inside the app, with photos if you like.