Built a no-login friendship quiz app that people can create in under two minutes

I recently built WhoKnowsMe, a web app where people can create quizzes about themselves and share them with friends.

The main goal was to remove as much friction as possible—no sign-ups, no app installs, and no ads. The entire quiz creation process takes less than two minutes, and friends can join directly from a group chat.

A few features:

• No login required

• Custom and pre-made questions

• Shareable quiz links

• Live leaderboard

• Downloadable 9:16 scorecards for stories and screenshots

I built it because most similar apps either require accounts or take too long to set up. I'm curious: what would make you actually share something like this with your friends?