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17Quizz

Real-time quiz duels with friends, ranked by ELO

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17Quizz is a free head-to-head quiz game for iPhone and Android. Two players get the same 7 questions at the same time, 13 seconds each, and speed counts. Climb an ELO ranking, challenge friends, run tournaments, or write your own quizzes.

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PH · launched Oct 20, 2026 · 2 upvotes (top 22%)

Similar launches

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Could you build this?

Partial The app's UI, ELO ranking, and friend challenges are codeable, but real-time synchronized head-to-head matches and a large curated question bank are harder to produce without infrastructure and content effort.

What it would actually take: Build mobile clients with React Native or Flutter, a real-time backend (WebSockets or Firebase/Supabase Realtime) to sync the 13-second rounds, and an ELO and matchmaking service. The hard parts are reliable low-latency synchronization and anti-cheat, plus a large, moderated, multi-language question bank that needs ongoing content creation and review.

Competitors

Other products that read as similar to this one : 395 launches clear the similarity bar, closest 8 shown.

Attention rank: #49 of 396 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 293 days after the earliest competitor.

Other launches for this product