Welcome to Fathom

Pick your water.

Tap one. The whole site changes behind this card, and Fathom remembers it.

Reef

Ready to dive in?

Try a sample deck first. No account, nothing saved. When you like it, sign up and make your own sets.

Try a sample deckSign up free
Fathom
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Make flashcards once. Study them six ways.

Learn, Write, Spell, Test, Match and spaced review, all free. No ads, no paywall, no card limits.

Tap the card to flip it.
Try it with a sample deckSign up with email

Trying it needs no account. New here?

Every way to study a set

  • Learn

    Starts with multiple choice and moves you to typed answers as you get cards right, until every card sticks.

    Try Learn

  • Flashcards

    Flip, then swipe right if you know it and left if you're still learning.

    Try Flashcards

  • Write and Spell

    Type each answer from memory, or hear it read aloud and spell it. Small typos are forgiven.

    Try Write

  • Test

    A practice exam with multiple choice, true/false, written and matching questions, graded instantly.

    Try Test

  • Match

    Pair terms with definitions against the clock and beat your best time.

    Try Match

  • Review

    Spaced repetition across all your sets brings each card back right before you'd forget it.

    Needs a free account

Pick your reef

Three looks for the whole site, each with a sunlit and a deep-water version. Fathom remembers your pick on this device.

Reef
Light

Bring the cards you already have

Paste a list or open a CSV. Text exported from other flashcard apps and spreadsheets pastes straight in. Share any set with a link, and your study group can use it without an account.