Bullpen strike zone app — hear the call while they throw
Coaches want the hitter’s question answered in the moment: was it a strike? HeyBLU answers with live audio and a 3D crossing dot on the zone — processed on the iPhone while the rep is still fresh.
Backstop geometry vs release-side analytics
Release-side apps
PitchLab, Ember — camera by the pitcher. Velocity, movement, video tracers. Zone charts for pitch design.
HeyBLU at the plate
Plate-anchored 3D zone + real-time trajectory. Ball/Strike audio out loud. Pitch data for heatmaps, Command Training, and session review — the umpire’s view.
Youth field envelope
- Outdoor daylight — our strongest path today; indoor and night on the roadmap
- Within 20 ft of home plate — sweet spot 10–15 ft in foul territory
- Sub-70 MPH — where we have the most validation (travel ball & rec youth)
- iPhone 12+ on a sturdy tripod · regulation baseball