Master Any Topic in
1v1 Quiz Duels
Challenge friends or get matched by skill level. Keep what you learn.
Free to play. No ads. No credit card.
Why LearnClash?
Everything you need to learn something new every day, 3 minutes at a time.
Infinite Topics
From Quantum Physics to Pop Culture. Our AI generates fresh, accurate questions on literally anything.
1v1 Battles
Prove your knowledge. Challenge friends directly or get matched with opponents of your skill level.
Ranked Progress
Win duels to gain ELO. Climb from Iron to Phoenix and track your knowledge growth.
How It Works
Pick a Topic
Choose from thousands of categories or search for something specific. If it doesn't exist, our AI creates it instantly.
Find a Match
We'll pair you with a friend or a worthy opponent in seconds. Matchmaking ensures fair fights based on your skill.
Learn & Climb
Each round takes about 3 minutes. Build lasting knowledge, boost your rating, and climb the global leaderboards.
Your move.
Free to play. No ads. No credit card.
What is LearnClash?
LearnClash is a competitive learning app where curious minds master any subject through 1v1 quiz duels. Pick any topic, from Quantum Physics to Pop Culture, and play with questions tailored to your skill level. Each player earns an ELO rating across 8 ranked tiers from Iron to Phoenix. Built-in spaced repetition schedules review at optimal intervals based on your accuracy, turning every duel into lasting knowledge.
Explore trivia questions across dozens of topics, or see how LearnClash compares to other learning apps.
Frequently Asked Questions
Is LearnClash free to play?
LearnClash is free to download and play. The free tier includes unlimited duels, all topics, and ELO rankings. LearnClash has no ads in any tier. Premium unlocks additional features like advanced statistics and exclusive rewards, starting at $7.99 per month or $59.99 per year. New subscribers on iOS and Android get a 7-day free trial on the annual plan. See the full plan comparison.
How does the ELO rating system work in LearnClash?
LearnClash uses a competitive ELO rating system adapted from chess. Every player starts at 800 ELO. Win a duel and your rating increases; lose and it decreases. The system uses a K-factor of 40 for new players (first 10 duels) and 20 for established players, producing balanced matches 94% of the time across 8 tiers from Iron to Phoenix.
What makes LearnClash different from other learning apps?
LearnClash combines competitive 1v1 quiz duels with spaced repetition, so you actually retain what you learn. Unlike most learning apps, you can play on any topic at every difficulty level. ELO-based matchmaking ensures fair challenges, and ranked progression across 8 tiers keeps you motivated.
Can I challenge my friends on LearnClash?
Yes. Send a challenge link to any friend, even if they don't have the app yet. They tap the link, pick a topic, and you're matched for an asynchronous 1v1 duel with 18 questions across 6 topics. Each player has 48 hours to complete their turn.
What topics can I play on LearnClash?
LearnClash covers any topic you can think of. From quantum physics and ancient history to Harry Potter and cryptocurrency, the AI generates fresh, validated questions on demand. If a topic doesn't exist yet, you can create it instantly.
How long does a duel take?
Each turn is 6 questions (3 from your topic, 3 from your opponent's) with 45 seconds per question, taking about 3 minutes. A full duel has 3 turns per player, but they're asynchronous. Play one turn now, finish the rest later. Most players complete a turn during a coffee break or commute.
Pick a topic. Your first round takes 3 minutes.
Free to play. No ads. No credit card.