01What do the cards look like?

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 your points (XP) top-right

02How Jolt works

01 · Swipe

Your daily dose of cards

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

02 · Learn

XP, levels, streak

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

03 · Compete

Duels and leaderboards

Challenge friends 1v1, build a clan, join world events. 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

04Build a healthier new habit and get to know the world

Enjoy the trivia on your own or with friends, and give your grey matter a workout.

🎴

Daily Dose

A hand-picked deck of cards every day. Two minutes over coffee and you're smarter.

⚡

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.

👥

Clans

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

🌍

World Events

Time-limited themed events. Play, make progress, collect rewards.

🤝

Friends & sharing

Add friends with a code, share cards as images, invite them straight into a duel or your clan.

👑

Premium & Infinity

Unlimited cards without waiting. For the hungriest brains.

🏙️

City BattlesComing soon

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

…and much more.

05What's inside

History

Science

Psychology

Money

Nature

Space

Technology

Culture

Human Body

Curiosities

Mystery

Mythology & Folklore

Arts & Literature

Music

Movies & TV

Celebrities

Video Games

Sports

Geography & Travel

Food & Drink

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?

*average of Jolt players

Get the app

07Premium

Jolt is free. Premium strips out the ads and the ceilings — and it does not buy you a place on the leaderboard.

Premium
What it is	Free	Premium
Ads	yes	none
Extra cards after the daily dose	20 a day (10 without an account)	unlimited
Streak protection	up to 3 freezes, one per ad watched	automatic, no ads
Friends	10	unlimited
Duels at once	2	unlimited
Clan battles at once	1	unlimited
Opponents per battle	2 clans	up to 8
Invite-only battles	—	yes
Archive of cards you've seen	—	yes
Hidden punchline on “Did you know?” cards	—	yes
Profile badge	—	⭐ Premium

🚫

No ads

The ad card inside your dose, the fullscreen ads at the end and in infinite mode, the ads inside world events. All gone.

♾️

Unlimited cards

The daily dose is complete and free for everyone. When it grabs you, Premium lets you keep going — no waiting for tomorrow.

🧊

Your streak looks after itself

Miss a day and your streak carries on. Nothing to collect, nothing to track, nothing to tap.

🤝

Friends and duels without your cap

Ten friends and two duels at once for free. With Premium your own limit stops holding you back.

🛡️

Bigger battles

For the people who start and run clans: battles of up to eight clans instead of two, as many at once as you like, and invite-only ones.

📚

Card archive

Nothing you've seen gets lost. Come back to any card and look it up whenever you want.

🔓

Hidden punchlines

“Did you know?” cards have their closing punchline unlocked. For free there's a padlock in its place.

⭐

Profile badge

A visible ⭐ Premium next to your name.

What Premium does not change

The size of the daily dose — 20 cards for everyone
How fast you earn XP, levels and ranks
Where you land on the leaderboards
Access to duel and battle topics
Saving cards — unlimited on the free tier too

Monthly subscription, with the price shown in your store. A free 7-day trial where your account is eligible for one. Premium is tied to your account, not your device — you'll create a free account before buying. Android for now, iOS on the way.

Jolt is live. Start your first streak.

iPhone? We’ll let you know.

Questions

: Jolt is free. An optional premium unlocks unlimited cards — the daily learning core stays free.
: Jolt is live on Google Play for Android. iOS is next — leave your e-mail above and we will let you know.
: Seven: English, Czech, Slovak, German, Spanish, French and Polish.
: Jolt is intended for users aged 16 and over. Content is general-knowledge and family-friendly, but accounts require the minimum age.
: Cards are sourced and reviewed before publishing, with the source shown on the back of each card.