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AI flashcards · 100+ languages · Web & Android

Type a word.
Get a card you'll actually remember.

It comes back finished — translation, an example, audio and a picture — and the app decides when you review it.

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repeat.cards on a phone: a card mid-review with its picture, example sentence and plural, above the four rating buttons and their next intervals

Watch a card being built.

One word in, a whole card out. Then ask about it, and train it.

You type

la ciudad

The card comes back

city

“La ciudad tiene muchos parques.”

The city has many parks.

city

Plural
las ciudades

Memory hook: “La ciudad” sounds roughly like “lah, see-you, Dad!” Picture someone calling to Dad as he heads into the city: “See you, Dad!”

Ask about the word

Why 'la' if it doesn't end in -a?

Spanish nouns ending in -dad are usually feminine, even though they don’t end in -a. So it’s la ciudad (“the city”), plural las ciudades.

Other examples: la verdad (“the truth”) and la universidad (“the university”).

Then you train it

city

Word

la ciudad

Plural

las ciudades

Mistakes are marked letter by letter - a missing accent counts.

Try it with your own word

What makes it different.

Three things most flashcard apps don't do.

Schedule

Each side of a card has its own schedule.

“la ciudad → city” and “city → la ciudad” are two different memories. schedules each one on its own, just before you'd forget it.

How the schedule works →

Keep words in your memory
Regular practice helps words stickThe forgetting curve: without practice recall falls away; with a review on days 1, 4 and 13 it returns to 100% each time and falls more slowly after every review. An illustration, not measured results.100%50%0%RecallTodayDay 1Day 4Day 13Day 30
With regular practiceWithout practice

Grammar

Grammar comes with the word.

Articles, plurals and verb conjugations are generated with the card and checked when you train - ready-made for Spanish, German, French, Portuguese, Italian, Russian and English.

Grammar on flashcards →

A card in training: the word with its article, its picture, an example sentence and its plural, above the rating buttons

Answers

You type the answer, and see the mistake.

No multiple choice. Your answer is corrected letter by letter: capitalization and punctuation don't count against you, a missing accent does.

Why typing beats choosing →

Coffee with milk

café con leche

More of what it does

Free. The AI runs on coins, and you start with some. See the prices →

Frequently asked.

Is repeat.cards free?
Yes. Decks, cards, the schedule and training are free, with no card limits. The AI features run on coins: every account starts with some, and more come in one-off packs. Nothing renews.
Which languages does it support?
More than 100, with a regional voice where pronunciation differs - American or British English, European or Brazilian Portuguese.
Do I need an OpenAI or Google API key?
No. The AI runs on coins, and every account starts with some. If you would rather pay a provider directly, your own OpenAI or Google keys work instead, and spend no coins.
Can I use repeat.cards on my phone?
Yes. There's a free Android app on Google Play, and it carries the same decks and the same schedule as the website - you sign in with the same account. The web app is also responsive in any modern mobile browser, including Safari on iOS, and you can add it to your home screen for one-tap access. There is no iOS app yet.
Who is repeat.cards for?
Language learners at any level who want to keep the words they meet. It is not a course: it sits beside whatever you learn from.

Stop reviewing words you already know.

Start with one deck. Free, no credit card.

or sign up with email