Coming Soon
ANDROID APP · FREE

Every time you unlock,
one sentence, one word.

Learn English and Korean without setting aside study time. Dozens of times a day, the moment you glance at your screen, a sentence and a word quietly appear.

Coming Soon Want to be notified at launch?
Get in touch.
4,700+ WORDS & SENTENCES TAP · LISTEN · LOOP
Peeky app English sentence card

Don't set aside
extra study time.

It's a new language, lightly layered onto your everyday routine.
Nothing grand, just quiet — but every day.

According to a 2025 survey, Americans check their phones 186 times a day.
Those 186 moments become study time.

FEATURES

Every little feature
becomes learning.

No complicated setup, no forcing time into your day.
Just turning on your screen is enough.

Sentences · Words · Quizzes

Learn with sentences, reinforce with words, check with quizzes. Three modes running right on your lockscreen.

Pronunciation guides & audio

Every word shows its pronunciation guide — tap the speaker button to hear it.

Levels that match you

From beginner to advanced. Select multiple levels and learn at your own pace.

Known / Unknown

What you know shows up less, what you don't shows up more. One tap and it's logged.

Tap & Swipe

Tap to switch language, swipe up for the next. Intuitive gestures, zero friction.

Review Tonight

During the day, tap it on anything you want to revisit before bed. After 9 PM, only your saved sentences and words appear — for focused review.

HOW IT WORKS

This is how you
befriend a new language.

Peeky app English sentence card
STEP 1

A sentence appears

One quiet sentence when your screen turns on. Never intrusive, always natural.

Peeky app Korean translation
STEP 2

Tap and listen

Tap to switch languages, tap the speaker to hear the pronunciation.

Peeky app word card with Known and Unknown buttons
STEP 3

Log with Known · Unknown

Known ones less, unknown ones more. Your 'Unknown' taps pile up neatly in Review Notes.

REVIEW

One 'Unknown' tap,
and it's saved to Review Notes.

Test yourself with fill-in-the-blank quizzes and save them to Review Notes.
Neatly organized into Sentence and Word tabs.

Peeky app Review Notes Sentences tab

Sentences tab

Unknown sentences pile up here.

Peeky app quiz screen — fill-in-the-blank question with four options

Fill-in-the-blank quizzes

Pick the word that fits the blank. One 'Unknown' tap saves it to Review Notes.

4,700+

Sentences & words

186times

average daily phone checks

∞

Learning through daily repetition

Little by little.

Now, every time your screen turns on,
meet a new language.

See it, quiz it, revisit it.
Daily repetition becomes natural learning.

Want a launch notification? Get in touch.