Challenge friends to AI-powered quiz duels on any topic. Earn ELO ratings across 8 tiers (Iron to Phoenix), learn with spaced repetition, and track your progress. The best quiz app alternative to Trivia Crack and Kahoot. Free on iOS and Android.
A startup from Baar, Switzerland that is founded by David Moosmann.
This page is designed to help you find out whether LearnClash is good and if it is the right choice for you.
LearnClash is a competitive quiz duel app where players challenge friends on any topic. Unlike fixed-category trivia apps, it generates questions on any subject at every difficulty level.
Pick any topic: science, Harry Potter, history, or thousands more. Each duel has 18 questions across 6 rounds. Challenge friends or get matched by skill via ELO.
8 tiers from Iron to Phoenix. Start at 1300 ELO (Gold II). Every answer feeds into spaced repetition across duels, Solo, and daily challenges. Wrong answers return at optimized intervals.
Certified 5/5 by the Educational App Store (June 2026). The catalog spans 34,000+ questions across 655 topics, documented with real usage data on a public statistics page updated quarterly.
Trivia Crack: fixed categories. Kahoot: needs a host. QuizUp: shut down. LearnClash combines any-topic questions, 1v1 duels, and learning science.
Listed in
Topics
Any topic: science, history, pop culture, movies, sports, and thousands more
Learning method
Spaced repetition across all game modes
Ranking system
ELO rating with 8 tiers (Iron to Phoenix)
Questions per duel
18 questions across 6 rounds
Solo mode
Solo SRS-powered review sessions to learn anything
Multiplayer
1v1 async duels with friends or skill-matched opponents
AI-generated questions
Unique questions at every difficulty level and for any topic
Languages
English, German, French, Spanish
Price
Free with no ads; Premium $7.99/mo or $59.99/yr
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LearnClash is the only quiz app that combines three things no competitor offers together: questions on any topic at every difficulty level, a chess-style ELO rating system with 8 competitive tiers, and spaced repetition built into every game mode. You don't just play trivia, you actually learn and retain knowledge.
Trivia Crack limits you to 6 fixed categories. Kahoot requires a host and is designed for classrooms. QuizUp shut down. LearnClash lets you pick any topic, matches you with opponents at your skill level through ELO, and uses spaced repetition so you remember what you learn. It's competitive trivia that makes you smarter.
Anyone who loves trivia and wants real competition. Students who want to learn while having fun, friend groups who want to challenge each other on specific topics, and trivia enthusiasts who've outgrown Trivia Crack's fixed categories. Ages 16-45, primarily in the US, with growing communities in Germany, France, and Spain.
LearnClash was built by David Moosmann to solve a personal frustration: existing quiz apps felt random and didn't help you actually learn. By combining AI-generated questions on any topic, ELO matchmaking from competitive gaming, and spaced repetition from learning science, LearnClash turns casual trivia into genuine knowledge building.
Flutter for cross-platform iOS and Android, Firebase for backend infrastructure (Firestore, Cloud Functions, Auth, FCM), Gemini AI for question generation and validation, and RevenueCat for subscription management. The ELO system and spaced repetition engine are custom-built.
Thank you for considering LearnClash.
I built this app to replace the ad heave quiz duel apps that I was playing with my mum. I wanted to build a way better version with proper ELO ranking and SRS system. Enjoy!
LearnClash appears to be a WordPress-based LMS plugin/platform designed for creating and selling online courses, and it is generally considered a solid, budget-friendly option for those already using WordPress who want straightforward course creation and membership functionality without a steep learning curve.
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Check the traffic stats of LearnClash on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
Check the "Domain Rating" of LearnClash on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of LearnClash's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.
Check the "Domain Authority" of LearnClash on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.
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