How many bones does an adult human have?
tap an answerA banana is botanically a berry. A strawberry is not.
swipe to decideYour daily dose of cards
Open the app, swipe the feed. The Daily Dose is done in two minutes over coffee.
XP, levels, streak
Every answer earns XP. Every day holds your streak. Your level grows on its own.
Duels and leaderboards
Fordere Freunde 1v1 heraus, gründe einen Squad, mach bei Welt-Events mit. Wissen als Sport.
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
Tagesdosis
Jeden Tag ein kuratiertes Kartendeck. Zwei Minuten beim Kaffee und du bist schlauer.
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.
Welt-Events
Zeitlich begrenzte Themen-Events. Spiel mit, mach Fortschritt, sammle Belohnungen.
Freunde & Teilen
Füge Freunde per Code hinzu, teile Karten als Bilder und lade sie direkt zum Duell oder in deinen Squad ein.
Premium & Infinity
Unbegrenzte Karten ohne Warten. Für die hungrigsten Köpfe.
City BattlesBald verfügbar
Your city versus the rest. Weekly battles for bragging rights.
…and much more.
Can you beat the average player?
How many hearts does an octopus have?
Jolt ist da. Starte deinen ersten Streak.
iPhone? Wir sagen dir Bescheid.
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.