Most flash-card apps hand you somebody else's deck. That's fine until you need your vocabulary: the words from this week's class, the phrases for a trip next month, the kanji that keep tripping you up. Then you're back to typing cards by hand.
Calypr works the other way round. You say what you want to practise, and an agent writes the cards, a few at a time, and keeps going for as long as you do. It notices what you miss and gives you harder ones when you're ready. You don't build a deck; you have a drill.
This post shows the whole loop: starting in one click, how a drill works, making it yours, hearing the words out loud, and practising with friends.
Start in one click
Sign up for free with Google or GitHub. No card, no API key. Your dashboard opens with a few ready-made starters, and Language flash cards is the first one.
Click it. Calypr creates the project and opens the chat, with a few things to try:
- Spanish greetings
- Japanese hiragana: the first ten
- French food
Pick one, or type your own topic, and press Send. A few seconds later your first cards arrive.
How a drill works
The agent sends one to three cards at a time, not a whole deck. Each shows the prompt side: a word, a character, a phrase.
- Tap the card to reveal the answer.
- Mark it Got it or Missed it. Be honest: that's what it learns from.
- The strip above the chat keeps score: how many you've got right, and how far through the cards on screen you are ("1 correct · 1 of 3 answered").
Under the chat there are three shortcuts:
- Next for another batch on the same topic;
- Harder when the last batch was too easy;
- Explain that when you want the grammar or the story behind an answer.
You can also just type, as you would to a tutor: "more verbs", "only the ones I missed", "mix in some past tense". The agent remembers the conversation, so it adjusts to what you've been getting wrong.
Make the deck yours
The template is a starting point. Its behaviour lives in one place: the System prompt of its Agent block. Close the chat panel, click the Agent block on the canvas, and add a line or two to the end of the prompt. A few that work well:
- "Use JLPT N5 vocabulary only. Put the kanji on the front, and the reading and meaning on the back."
- "For Mandarin: Simplified characters on the front; pinyin with tone marks and the English meaning on the back."
- "I'm a beginner in Spanish. Use everyday words, and always include the article (el/la)."
- "Only drill the vocabulary from this list:" followed by your class word list.
Press Save, open the chat again, and your next drill follows the new rules.
Hear it, too
Reading a word and saying it are different skills. The Translate & speak template takes English, translates it into Mandarin, shows the transcript, and speaks it aloud with a native-sounding voice, so you can listen and repeat.
It's two blocks you can change. To practise Japanese instead, edit the translator's System prompt to translate into Japanese, and change the Voice block's instructions to Japanese pronunciation. You'll find it under Workflows in the sidebar.
Practise with friends
Click Share on any project to get a link. Anyone with it can run your drill in their browser, with no account, and keep their own score. It's a nice way to give a study group the same deck. Runs from the link use your credits, and each link is capped (25 runs by default) so a link that travels further than you meant can't run away with them. You can revoke it at any time.
What it costs
A round of flash cards is a short text run, which costs under one credit. The Free plan includes 100 credits a month, enough for more than a hundred rounds. Voice clips cost about 3 credits each.
If you practise every day, Starter is $5 a month for 500 credits. That's what it's for. Credits top up each month, and you can cancel any time.
Ready to try it? Start free. Language flash cards is the first thing on your dashboard.