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AI flashcards · For language learners · Free to start

Type a word. AI builds the rest of the card.

The example sentence, the pronunciation, a memory hook, a picture, the plural and the verb forms — written for the word you typed, in the language you are learning. Then spaced repetition decides when you see it again.

repeat.cards is an AI flashcard app for language learners. You type a word; AI suggests the translation, checks the spelling and fills in the rest of the card — an example sentence, audio pronunciation, a mnemonic, a picture, and the plural or verb forms. Every field stays editable, and spaced repetition schedules each review.

Try it on a word you are learning

What does AI put on a card?

A good vocabulary card is more than a word and its translation. It needs the word in a sentence, the way it sounds, something to hang it on, and the grammar that travels with it. That is the part people skip when they make cards by hand — and the part AI does in seconds.

  • Translation. Several translations to pick from, one press away, so you choose instead of looking it up.
  • A word check. Spelling, spacing and capitalisation are tidied, the article is added to a noun when your deck uses articles, and a word unusual for your variant — a Brazilian word in a European Portuguese deck — is pointed out.
  • An example sentence. One natural sentence using the word, with the word marked in the form the sentence uses — went for go, not only exact matches.
  • Audio. The pronunciation, spoken in the accent of the variant you are learning.
  • A mnemonic. Several memory hooks to choose from; keep the one that works for you.
  • A picture. Drawn for what the word means, not for how it is spelled.
  • Grammar. The plural, and the verb forms your deck asks for — present, past, whichever tenses you switched on.
A card in training on a phone, with its picture, example sentence and plural
Every card gets its picture, audio, example and grammar.

One word, start to finish

Here is what building one card looks like. The deck is Spanish, learned from English, with verb conjugations switched on. The word is madrugar.

Type madrugar, press Translate

AI comes back with
Translations to pick from, such as to get up early

Press Example

AI comes back with
Los lunes tengo que madrugar para llegar a tiempo.

Press Audio

AI comes back with
madrugar, spoken in a Spanish voice

Press Mnemonic

AI comes back with
A few hooks to choose from, such as a mad rooster that gets you up at dawn

Press Picture

AI comes back with
A drawing of someone getting out of bed before sunrise

Conjugations

AI comes back with
yo madrugo, tú madrugas, él madruga… for the tenses the deck uses

Save

AI comes back with
One card, trained in both directions from the next session

The sentences above are examples of the kind of thing that comes back, not a fixed output: ask again and you get a different sentence or a different hook. Nothing lands on the card until you save it, and anything you do not like you can rewrite yourself.

The card editor for tener: the translation, a drawn picture and a pronunciation recording
The mnemonic sheet for el libro: the saved memory hook and three new suggestions to choose from

AI while you train, too

Answers in repeat.cards are typed, and a typed answer can be right without matching the card letter for letter. When yours does not match, you can ask AI whether it is still a correct answer — a synonym, another valid form — and it tells you why, instead of simply marking it wrong.

And when a word will not stick, open a chat about the card. Ask what a dictionary does not say: why en casa and not en la casa, when to use it, how it differs from the word next to it. The conversation is kept with the card.

An AI flashcard generator, or a flashcard app with AI?

Most tools called “AI flashcard generators” take a document — notes, a PDF, a chapter — and turn it into question-and-answer pairs. That is a different job from learning vocabulary, and each kind of tool is better at its own.

You give it

Typical AI flashcard generator
A document or notes
repeat.cards
The words you are learning

It makes

Typical AI flashcard generator
Question-and-answer pairs
repeat.cards
A language card: example, audio, mnemonic, picture

Grammar

Typical AI flashcard generator
Not part of the card
repeat.cards
Articles, plurals, conjugations per language

Pronunciation

Typical AI flashcard generator
Rarely
repeat.cards
Audio in the accent of your variant

Reviewing

Typical AI flashcard generator
Often an export to another app
repeat.cards
Built in: FSRS, both directions scheduled separately

Best for

Typical AI flashcard generator
Turning a chapter into cards at once
repeat.cards
Building a vocabulary that lasts

What does the AI cost?

AI actions run on coins. Every account starts with some for free, so there is nothing to set up before the first card. When they run out you can buy more in one-off packs — there is no subscription — or switch to your own OpenAI or Google key and pay the provider directly; the API key guide shows how. Audio and pictures another learner already generated for the same word are reused, and those cost nothing. Prices are on the pricing page.

The rest of repeat.cards — decks, cards, spaced repetition, statistics — is free, on the web and in a free Android app.

AI flashcards FAQ

What is an AI flashcard?
A flashcard whose supporting material is written by AI rather than by hand. You give the word; AI adds what makes it memorable — an example sentence, audio, a memory hook, a picture, and for a language, the grammar that comes with the word. In repeat.cards you can edit every part of it afterwards.
Is the AI free?
Every account starts with some coins for free, and AI actions spend them. When they run out you can buy more in one-off packs, or switch to your own OpenAI or Google key and pay the provider directly. The flashcards themselves, the spaced repetition and the statistics cost nothing.
Do I need an OpenAI or Google API key?
No. AI works from the first card with the coins every account starts with. Your own key is an option for people who would rather pay the provider directly or choose the models themselves.
Which languages does it work for?
More than 100, with regional variants where they matter — Brazilian and European Portuguese, for example, get their own spelling and their own voice. Articles, plurals and verb conjugations come preset for Spanish, German, French, Portuguese, Italian, Russian and English; other languages can use custom fields.
Can I change what the AI writes?
Yes. Everything AI puts on a card is ordinary card content: edit it, delete it, or ask for a new one. Once it is on the card it belongs to you, and nothing rewrites it later.
Can it make flashcards from a PDF or my notes?
Not today. repeat.cards is built around words: you type them, paste a list, or catch them from another app on Android, and AI builds a card for each. General-purpose generators that turn a document into question-and-answer cards do that job better.

Bring the words. AI makes the cards.

Pick the language you are learning and type your first word. Free to start, no credit card, no API key.

Get started — free

100+ languages · FSRS spaced repetition · Every field editable