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Capture words · Android · Free to start

Meet a word anywhere. Keep it in one tap.

A video, an article, a message from a friend — the words worth learning turn up in other apps. The capture bubble catches them there, translates them on the spot, and keeps them until you make them into cards.

repeat.cards catches words where you meet them. On Android, a floating bubble sits over any app: a video, an article, a chat. Tap it, capture the screen, tap the words you want and get their translation on the spot. Saved words wait in an inbox until you turn each one into a flashcard.

Catch your first word

How does the capture bubble work?

Most new words arrive while you are doing something else, and the moment passes before you open a dictionary. The bubble removes the detour: it stays at the edge of the screen, over whatever app you are in, and opens a small panel when you tap it.

  1. Switch it on in the app’s settings. Android asks once for permission to show the bubble over other apps.
  2. Capture the screen. Press the camera in the panel and the text on the screen is read by AI; every word comes back as a chip you can tap. Press and hold the camera to mark just the part of the screen you want.
  3. Tap the words. Each tap adds a word to the line, so a phrase is built as easily as a single word. You can also type into the line yourself.
  4. Translate. A single word comes back with several translations, each with dots showing how common it is. A phrase comes back translated as a whole.
  5. Save. The word, its translation and the language pair go to your Capture inbox, and the panel is ready for the next one.
The capture bubble over a video: the subtitle phrase apanhar o elétrico with the translations take the tram and catch the tram
The capture inbox: echar de menos, de repente, madrugar and la sobremesa, each ready to become a card in the Spanish deck

One phrase, from a subtitle to a card

Here is the whole trip for a phrase heard in a Portuguese video, the one in the screenshot above.

Tap the bubble over the video

What happens
The panel opens on top of the player

Press the camera

What happens
The subtitle is read and its words appear as chips

Tap apanhar, o, elétrico

What happens
The phrase builds up in the line

Translate

What happens
Its meaning comes back, such as take the tram

Save

What happens
The phrase waits in the Capture inbox with its translation

Open the inbox later

What happens
Turn it into a card in your Portuguese deck

From the inbox to a flashcard

The Capture tab in the app lists every word you saved, with its translation. When you have a minute, turn a word into a card: pick the deck for that language pair and the card editor opens already filled in. From there AI can add the rest — an example sentence, audio, a picture, a mnemonic — as described on the AI flashcards page. A word you no longer want is deleted after you confirm it.

Nothing is added to a deck behind your back. The inbox is a waiting room, so a word caught in a hurry on the bus does not turn into a card you never meant to learn.

What leaves your phone

A picture of the screen is taken only when you press capture, and it is sent to read the words on it. Between captures nothing on your screen is kept, even though Android keeps the screen-capture session open. Reading the text and translating use AI and run on coins; saving a word costs nothing. Prices are on the pricing page.

Capturing words FAQ

Does the capture bubble work in any app?
It works over whatever is on the screen, because it reads a picture of the screen rather than the app's own text. That is why it catches video subtitles and words inside images as well as articles and chats. Switching it on needs Android's permission to draw over other apps.
Why does Android ask to record my screen?
Capturing the screen is how the bubble sees the words you are looking at, and Android asks for that permission when a capture session starts. A picture is taken only when you press capture; between captures nothing on your screen is kept.
Does capturing words cost anything?
Reading the text off the screen and translating use AI, which runs on coins. Every account starts with some for free, and more come in one-off packs, or you can use your own OpenAI or Google key. Saving a word to the inbox and turning it into a card cost nothing.
Is the capture bubble on the website too?
No. The bubble is an Android feature, because it has to sit over other apps. On the website you add words in the card editor — type them one by one or paste a list.
Which languages can I capture?
The panel offers the language pairs of your own decks, so you capture straight into the pair you are learning. repeat.cards covers more than 100 languages.

Keep the words you meet.

Install the app, switch the bubble on, and your next video or article becomes vocabulary. Free to start, no credit card.

Get started — free

Works over any app · Translation on the spot · An inbox for later