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.
Ball or strike—called out loud, with live zone overlay on every pitch.
How It Works
One phone, one tripod—that’s the setup.
Set sport & zone
Pick youth baseball or softball and match the zone to your league.
Lock the plate
Tap to anchor the zone to real home plate, then fine-tune alignment.
Throw
Hear ball/strike calls out loud on every pitch. Live zone feedback as you go.
Review
Save every session with heatmaps, reports, and exports.
Use Cases
Same bullpen workflows for youth baseball and fast-pitch softball.
Command Trainer
Intend a strike on the outside corner, get instant feedback, as well as a post-session report.
Practice & Scrimmage Umpire
No umpire, no problem. Use HeyBLU to make objective ball-strike calls instantly freeing up coaches to just coach.
Tryout Evaluator
Let HeyBLU tell you who is hitting their spots. Save and compare every pitcher's results.
Batter's Eye Trainer
Give your hitters instant, objective validation to train their eye and lay off bad pitches while learning the edges.
See it in action
Live tracking and instant calls. Click to play
Command Center on a second iPhone. Others can Follow Game on their own phone when you share the live feed.
Presented at ABCA Expo Theater
Watch the presentation →Join the Launch Waitlist
Be first to know when HeyBLU hits the App Store. Drop your name and email—we'll keep you posted.
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