A jolt of knowledge

Turn scrollinginto discovery.

Learn more. Know more. Be more.

Pätnásťsekundové karty s faktami, kvízmi a chytákmi. Swipuj, hádaj, súťaž — a sleduj, ako ti rastie streak.

Zadarmo na Google Play · iOS čoskoro
⚡ Jolt🔥 7 · 124 XP
HISTORIE

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

swipe ↑♥ 1,2k
VĚDA · QUIZ

Kolik kostí má dospělý člověk?

196 · 206 · 232+15 XP
PŘÍRODA · 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.

swipe to decide
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

Vyzvi kamošov 1v1, založ squad, zapoj sa do svetových udalostí. Vedomosti ako šport.

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
🎴

Denná dávka

Každý deň pripravený balíček kariet. Dve minúty pri káve a si múdrejší.

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.

🌍

Svetové udalosti

Časovo obmedzené tematické udalosti. Hraj, plň progres a zbieraj odmeny.

🤝

Priatelia a zdieľanie

Pridaj priateľov kódom, zdieľaj karty ako obrázky a pozvi ich rovno do duelu alebo squadu.

👑

Premium a Infinity

Neobmedzené karty bez čakania. Pre najhladnejšie mozgy.

🏙️

City BattlesPripravujeme

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

…and much more.

05What's inside
History
Science
Psychology
Money
Nature
Space
Technology
Culture
Ľudské telo
Kuriozity
Záhady
Mytológia a folklór
Umenie a literatúra
Hudba
Filmy a seriály
Celebrity
Videohry
Šport
Zemepis a cestovanie
Jedlo a pitie
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?
*priemer hráčov Jolt

Jolt je vonku. Rozbehni svoj prvý streak.

Teraz na Google Play

Máš iPhone? Dáme ti vedieť.

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Questions