For coaches, parents & leagues
Automated Strike Zone Technology Guide
HeyBLU is an iPhone app that anchors a real 3D strike zone to home plate, tracks the baseball through space in real time, and speaks Strike or Ball out loud. One phone, one tripod, foul territory near the on-deck circle — built for your baseball fields and outdoor bullpens (sub-70 MPH validated range).
ABS for youth baseball (2026)
Stadium Hawk-Eye vs what a single iPhone can deliver at your field.
Automated strike zone apps
Live ball-strike callers vs analytics apps that chart pitch location after the fact.
Games, youth umps & the umpire shortage
Teen umps, parent volunteers, coach-umpires — and what HeyBLU handles at the plate during games and scrimmages.
Bullpen strike zone apps
Backstop mount, 3D plate lock, and live calls — vs release-side analytics apps.
Baseball umpire apps — beyond the clicker
When you wanted zone geometry, not just balls-strikes-outs on a counter.