The iPhone Strike Zone App

Introducing BLU (Big League Umpire). The revolutionary iPhone app that brings MLB-level automated ball-strike calling to every game, practice, and bullpen.

THE PAIN OF A BAD CALL...

We've all been there. Bad calls drain the fun from the game, cause arguments, and hurt player development. The umpire shortage is real.

Arguments & Frustration

End the dugout drama and sideline arguments over the strike zone.

Inconsistent Calls

Give players the consistency they need to develop their skills and confidence.

No Umpire Available?

Perfect for scrimmages, practices, or games when you're short on volunteers.

THE SOLUTION

Meet BLU.
The Umpire in Your Pocket.

BLU is a simple iPhone app that calls balls and strikes instantly and accurately. No special equipment needed. Just your phone.

1

Set Your Phone

Place your iPhone on a tripod behind home plate.

2

Define the Zone

Quickly set the batter's strike zone in the app.

3

Play Ball!

BLU audibly calls balls and strikes through your phone or a Bluetooth speaker.

BLU App Screenshot

A GAME CHANGER FOR EVERYONE

From competitive travel ball to backyard practice, BLU is the perfect partner.

Players

Get instant, unbiased feedback to hone your pitching or batting eye.

Coaches

Focus on coaching, not calling. Make practices more efficient and fun.

Leagues

Solve your umpire shortage and bring a new level of professionalism to your games.

Parents

Help your player get to know the strike zone as both a hitter and a pitcher.

Get in the Game.

Get pro-level accuracy for less than the cost of a new bat.

BLU Yearly Subscription

$99/year

$50 Pre-Order

  • Unlimited Ball/Strike Calling
  • Use for Games, Practice & More
  • Easy iPhone Setup

We have a working Demo. We looking forward to sharing it via a video call where we'll also share details on the BLU investment opportunity.