Turn any debate into a challenge — the big match, the office 10K, who's buying the next round — invite your friends, and let the leaderboard end the argument.
chance your friend is wrong. Only one way to find out.
Every challenge runs the same way. Scroll on and watch one of them, El Clásico, Maya vs Tom, go from a group chat at noon to the final whistle. Every phone below is the real app.
Ask your own question or link a real fixture, pick one of eight formats, set when predictions lock.
12:27 →Three ways in: scan the QR code, open the invite link, or type the challenge ID and a 4-digit code.
12:31 →Everyone commits before the lock. You see who has predicted, never what.
20:28 →The lock is final. Picks stay hidden until the result is in.
22:08 →A linked match scores itself at full time: 5 points for the exact score, 2 for the right winner or draw.
22:53 →
Somebody in the group chat is very sure of themselves.
Any group, any chat app. Lukas asks who's watching tonight. Maya calls it, Barça 2–1. Tom says 1–1 at best, Lena raises the stakes, loser buys the first round, and Tom takes the bait: he's setting it up on ProveYa, code in seven minutes.
He picks Exact score, taps Link a real match, and gets this week's fixtures, sorted by day. Barcelona vs Real Madrid, La Liga, tonight at 21:00. One tap, and the challenge is tied to the real game.
Challenge made, Tom opens Share invite from the ⋯ menu. Lukas, Sara and Lena are sitting next to him, so they scan the QR code and they're in, no code needed. For everyone else there's the Link tab, or the challenge ID and a 4-digit code.
101 and code 4817.
She's at work, so she types it: challenge 101, code 4817. Before she taps Join, ProveYa shows exactly what she's getting into: El Clásico, five playing, predictions lock at 20:59.
The ring says 30 minutes. Picks so far: Tom, Lukas, Sara and more, and you can see that they've predicted, never what. Maya enters Barcelona 2, Real Madrid 1 and locks in her pick. Five points for the exact score, two for the right winner or draw, and the loser buys the first round.
Live now, predictions locked. Maya's call sits on her screen as Your call · locked in, 2–1: no edits, no “I meant 2–1 all along”. All five players are locked in, and the result reveals when the challenge ends.
The match was linked, so the result comes in by itself. Maya's phone says PROVEN: she called it, +5 points, first of five. Tom's says Not this time: 1–1 was a draw, the wrong winner, fourth of five. Sara and Lena take the rest of the podium with the right winner.
One stamp each. Tom buys the first round.
If it has an outcome, it can be a challenge. Eight ways to call it, all one tap apart.
Will it snow on Christmas Day?
Who wins the office 10K?
Barcelona 2–1 Real Madrid
Bitcoin on New Year's Eve?
Call the Abu Dhabi podium
When does it sell out?
Call the whole knockout, round by round
Most kilometres this week wins
Adding someone makes you friends both ways: no requests to send, no approvals to wait on. And if someone's being a pain, report or block them in two taps.
We collect what the app needs to work, and nothing else. We never sell it.
Not a banner, not a sponsored pick. Ever.
No third-party trackers and no analytics SDKs in the app.
Our servers and database run on Hetzner infrastructure in Europe.
Remove your account and everything in it from Menu → Account & Security.
Six topics, every answer in one place. Start with whichever one is bugging you.
The basics of starting your first challenge.
5 answers →How results, points and tournaments work.
4 answers →Connecting with people and controlling what they see.
5 answers →Signing in, changing details, and deleting your account.
5 answers →What ProveYa is - and what it deliberately isn't.
3 answers →What we collect and what we don't.
3 answers →Join the waitlist and we'll tell you the moment ProveYa launches. Be the first in your group to start a challenge.
No spam. One launch email, that's it. Unsubscribe anytime.