Every bullpen deserves a Big League Umpire.
Real-time calls with just an iPhone and a tripod. Fully adjustable strike zone for youth baseball and fast-pitch softball.
How coaches use it
Bullpen umpire
Instant feedback on every pitch thrown.
Practice & scrimmage
With a Bluetooth speaker, let HeyBLU call balls and strikes.
Tryouts
See who’s hitting their spots. Save and compare every pitcher.
Batter’s eye
Instant validation—lay off balls, learn the edges.
How It Works
1. Mount
Tripod beside the plate. Lock the zone.
2. Throw
Get the call. See the location.
3. Review
Heatmaps, reports, exports.
Join the Launch Waitlist
Be first to know when HeyBLU hits the App Store.
You're on the list for launch! Want to test today? Join on TestFlight.