Works offline
Venues are notorious for terrible signal. Koestr handles it: captures taken in a dead zone queue up safely on the phone and upload themselves the moment a bar of signal returns. Your guests never see an error, and nothing is ever lost.
What you get
Why hosts love it
Capture anywhere
Basements, barns and marquees — shoot without a connection.
Auto-upload on reconnect
Queued moments send themselves as soon as signal returns.
Nothing lost
No failed-upload dead ends, no disappointed guests.
Zero guest effort
It all happens quietly in the background.
More to explore
All featuresLive wall
A big-screen mosaic that fills with your guests' moments in real time — on any TV, projector or laptop.
Photo & video challenges
A gamified deck of prompts keeps everyone shooting the good stuff, with points and a friendly leaderboard.
Points & leaderboard
Points, streaks and a live leaderboard turn capturing moments into friendly competition.
Your next event deserves a wall full of moments
Set up your event in two minutes and see for yourself. It's free to start.