A jolt of knowledge

Turn scrollinginto discovery.

Learn more. Know more. Be more.

15-second cards with facts, quizzes and bluffs. Swipe, guess, compete — and watch your streak grow.

Try the demo ↓
ANDROID BETA open · iOS soon · free
⚡ Jolt🔥 7 · 124 XP
HISTORIE

Sovětští piloti v létě vypínali motory, aby se přiblížili k cílům neslyšeni.

swipe ↑♥ 1,2k
QUIZ

Kolik kostí má dospělý člověk?

196 · 206 · 232+15 XP
FAKE / REAL

„Banán je botanicky bobule. Jahoda ne."

← fake · real →+10 XP
LVL 262 %
🏠🔍⚔️👤
VIDEO SMYČKA placeholder za reálný záznam appky
a jolt of knowledgeA banana is botanically a berry. A strawberry is not.+15 XPnew cards every day🔥 127 languages · 15 seconds is enough+10 XP
01Try it yourself
HISTORY

Soviet pilots cut their engines in summer to glide silently toward their targets.

tap to flip
HISTORY

True. The Po-2 night bombers glided with the engine off — only the wind was heard. The Germans called them "sewing machines".

wikipedia.org+5 XP
SCIENCE

How many bones does an adult human have?

tap an answer
NATURE

A banana is botanically a berry. A strawberry is not.

Real — botany is sneaky: bananas are berries, strawberries are not.
flip · answer · decide — watch the XP top-right
02How Jolt works
⚡ Jolt🔥 7
HISTORIE

Eiffelovka je v létě o 15 cm vyšší — kov se teplem roztahuje.

♥ 1,2k · ↑ swipe
QUIZ
screenshot placeholder01 · Swipe

Your daily dose of cards

Open the app, swipe the feed. The Daily Dose is done in two minutes over coffee.

Daily Dose14/20
70 %
LVL 2124 XP

🔥 Streak 7 dní — drž sérii!

screenshot placeholder02 · Learn

XP, levels, streak

Every answer earns XP. Every day holds your streak. Your level grows on its own.

⚔️ Duel3:2
TYVSMAREK
1 · Ema2 450 ⚡
2 · TY2 310 ⚡
3 · Jonáš2 180 ⚡
4 · Klára1 940 ⚡
screenshot placeholder03 · Compete

Duels and leaderboards

Challenge friends 1v1, build a squad, fight for your city. Knowledge as a sport.

03Why we built Jolt

Millions of people scroll for hours every day.

We believe even a few minutes of curious learning a day makes a difference.

Jolt turns passive scrolling into discovery.

Education for everyone · 7 languages · free

04Built to be a habit

XP & levels

Every answer pays XP. Your level climbs and your friends can see it.

🔥

Daily streak

Show up daily, keep the flame. Miss a day? A streak freeze has your back.

⚔️

1v1 duels

Challenge a friend to a head-to-head and settle who knows more.

👥

Squads

Team up, learn together, climb the leaderboard as a crew.

🏙️

City Battles

Your city versus the rest. Weekly battles for bragging rights.

…and much more.

05What's inside
History
Science
Psychology
Money
Nature
Space
Technology
Culture
7 languages
new cards every day
one global community
15 seconds per card
06Mini duel
⚔️ Challenge

Can you beat the average player?

How many hearts does an octopus have?

Only ~41% got this. An octopus has 3 hearts — rematch in the app?
*estimate from beta data — we'll replace it with live numbers

Your first streak. Don't break it.

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Questions