SAT · GRE · TOEFL · Your own lists

Flip the phone.
Know the word.

VocabKuizu is a vocabulary game you play with your hands. Hold the phone up, read the word, and tilt it down when you know it — or up to skip and see what it means.

Join the TestFlight beta See how it plays →

In beta on iOS. Android on the way.

ephemeral

Try it — swipe the card, or tap a button.

Built for the way vocabulary actually sticks

SATGRETOEFL Class listsSelf-study
How it plays

No tapping. No typing. Just the word and your hands.

A round is fifteen words and about a minute. It feels like a game because your whole body is in it, not just your thumb.

▼

Tilt down — you know it

One word fills the screen. Flip the phone forward and it's gone, with a haptic tap so you feel the answer land without looking.

▲

Tilt up — show me

Skipping isn't failing. The definition appears for a beat, and the word comes back later in the round while the answer is still fresh.

✓

Finish with a study list

At the end you get the words that never landed, with their definitions — the most useful thing on the screen, and the reason this is study and not trivia.

Your lists

Paste a list. Play it thirty seconds later.

Typing fifty words on a phone keyboard is a hundred text fields, and nobody does that twice. So don't.

  • Paste anything. Tabs, commas, dashes, colons, or word-then-definition on alternating lines — it works out the format itself.
  • Handouts survive. Numbered and bulleted lists lose their markers, and definitions keep their own commas.
  • It tells you what's wrong. Duplicates, words too long to read while tilting, definitions that'll get cut off — flagged before you save, never silently dropped.
  • SAT and GRE decks included, ready to duplicate and edit into your own.
What is included

Three decks, 454 words, all offline.

Every word carries its root and origin, which you reach by tilting the phone sideways. Or paste your own list and play that instead.

SAT Core

190 words

GRE Essentials

204 words

Academic English

60 words · TOEFL & IELTS

Your own lists

Paste and play

On your phone

What it actually looks like.

Real screens, landscape, exactly as the game is played.

The word dilatory alone on a dark screen, with Skip at the bottom left and I know it at the bottom right
One word, nothing else. Tip forward when you know it.
The same word with a hint panel reading Latin differre, to postpone, and the sentence Their dilatory replies stalled the whole project
Hold the word for its root and a sentence.
After skipping, the definition tending to delay or waste time shown beneath the word dilatory
Skip, and the meaning shows for two seconds.
A results screen reading 87 percent, plus 213 XP, 8 times best combo, 59 seconds, 17 words per minute
Graded on first sight, not on how it felt.
The same game screen in the light theme, showing the word plausible
Four themes: auto, light, dark and sepia.
The lists screen showing Academic English, GRE Essentials and SAT Core with word counts, plus a New list button
Your lists, and the three that come built in.
Honest scoring

Your score counts first sight only.

Most flashcard apps take your word for it. That's how you end up feeling ready and then blanking on the day.

Skipping is trusted. Claiming isn't.

Admitting you don't know a word is reliable evidence, so it drives when you see that word again. Saying you knew it isn't, so it doesn't stretch your review schedule.

Recovered words don't pad the number

Get a word on the second pass and it's reported separately, not folded into your percentage. The honest figure is the one measured before you saw the answer.

Beta

Want to try it early?

VocabKuizu is in TestFlight on iOS while the tilt controls get tuned against real hands. If you'd like a build — or you teach a class that could use it — get in touch.

Ask for a beta invite

Or email support@spaikz.com