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Number Guessr
The classic number-guessing game, reimagined for iPhone
A modern multiplayer reimagining of the classic Bulls & Cows number guessing game. Play solo with daily global challenges, or go head-to-head with friends in real-time matches. Built from scratch in SwiftUI with Supabase Realtime — fast, beautiful, and addictive in 5-minute sessions.
Hi Product Hunt 👋 Maker here, Mustafa.
Number Guessr started as a side project to teach myself SwiftUI on nights and weekends. Six months later, it turned into a multiplayer game with real-time matches, daily challenges, and a story I'm
pretty attached to.
The game itself is a modern take on Bulls & Cows — a number-guessing game I played on paper with my dad as a kid. Each player picks a secret 4-digit number, then takes turns guessing. After each
guess, you learn how many digits you got right AND in the correct position (bulls) vs. correct digits in the wrong position (cows). The first to crack the code wins.
Three things I'm proudest of:
🎯 Onboarding under 30 seconds — from install to your first guess
⚡ Real-time multiplayer that feels instant — both players see each other's guesses with sub-200ms latency, built on Supabase Realtime
🌍 4 languages on day one — English, Turkish, German, Spanish
Stack: SwiftUI (iOS 17+), Supabase (Postgres + Realtime), Firebase Analytics, RevenueCat, AdMob.
Free to play with one optional subscription for unlimited lives and premium themes. No forced ads, no dark patterns.
Would love your feedback — especially on the multiplayer experience.
Cheers 🎯
About Number Guessr on Product Hunt
“The classic number-guessing game, reimagined for iPhone”
Number Guessr was submitted on Product Hunt and earned 9 upvotes and 1 comments, placing #73 on the daily leaderboard. A modern multiplayer reimagining of the classic Bulls & Cows number guessing game. Play solo with daily global challenges, or go head-to-head with friends in real-time matches. Built from scratch in SwiftUI with Supabase Realtime — fast, beautiful, and addictive in 5-minute sessions.
On the analytics side, Number Guessr competes within iOS, Indie Games and Games — topics that collectively have 216.3k followers on Product Hunt. The dashboard above tracks how Number Guessr performed against the three products that launched closest to it on the same day.
Who hunted Number Guessr?
Number Guessr was hunted by Mustafa Gülden. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Number Guessr including community comment highlights and product details, visit the product overview.
Mustafa Gülden