Call pitches.
Wirelessly.

Send pitch calls from the dugout straight to your catcher's wrist. Built for baseball and softball. No wires, no delays, no stolen signs.

Download on the App Store

Available on iPhone. iPad and Android coming soon.

Beta Program

Request Early Access

We're onboarding a limited number of teams for our beta program. Built to be affordable enough for youth travel teams but powerful enough for college programs, Signal Call brings pro-level pitch calling to every dugout. Accepted teams get a Signal Call Pitch Receiver at a discounted price and a free year of Signal Call Pro. Spots are limited — reach out to get started.

hi@signalcall.app

How It Works

Three steps. Zero complexity.

1

Call the pitch

Select pitch type and zone on the iOS app from the dugout.

2

Signal sent

The call is transmitted instantly over Bluetooth to the catcher's smartwatch.

3

Catcher sees it

Pitch type and zone appear on the watch with color coding and vibration alert.

The Hardware

The Pitch Receiver

The Pitch Receiver smartwatch
  • Battery Up to 5 days on a single charge
  • Weight 38 grams
  • Water & dust IP67 rated
  • Display 1.3" color touchscreen
  • Wireless Bluetooth 5.0

Features

Everything you need to call a game.

Instant wireless signals

Bluetooth Low Energy delivers pitch calls in milliseconds with no internet required.

9-zone targeting

Call pitches to a specific zone in the strike zone with a simple tap.

Live pitch counts

Real-time pitch counts per pitcher, per inning, and per at-bat. Know exactly where your pitcher stands.

Pitch analytics

Track pitch type distribution, zone tendencies, and ball/strike ratios across games and at-bats.

At-bat history

Full pitch-by-pitch logs for every batter. Review sequences, results, and patterns post-game.

Trend tracking

See how pitch selection and results shift across innings, games, and the season.

Custom plays

Define custom defensive plays and signals beyond just pitch calls.

Quick setup

Pair once over Bluetooth and you're ready to go.

The App

See it in action.

Signal Call iPad app showing pitch calling interface

Your entire game on one screen

Opponent lineup, pitch selection, zone targeting, live count, and pitch results — all without switching views. Built for iPads so coaches can see everything at a glance.

Signal Call Pro

Upgrade your game.

Pro Features

For coaches who want the full toolkit

  • ✓ Game management
    Track opponent lineups, at-bats, and full game state
  • ✓ Custom plays
    Create and send custom defensive plays and signals
  • ✓ Multi-device support
    Connect to multiple watches simultaneously
  • ✓ Pitcher roster
    Manage your pitching staff and track pitch counts per pitcher

Start with core pitch calling for free. Upgrade to Pro when you're ready for the full experience.

Download on the App Store

Pro AI

Let the data call the game.

AI-Powered Pitch Suggestions

Coming soon

Signal Call Pro AI analyzes your game in real time and suggests the next pitch based on what's actually happening — not just gut feel.

  • ✓ Pitch history
    What you've thrown this at-bat, this inning, and this game
  • ✓ Batter tendencies
    How this batter has performed against each pitch type and zone
  • ✓ Count & situation
    Ball/strike count, outs, inning, and runners on base
  • ✓ Recent trends
    Shifts in what's working and what's not as the game unfolds
  • ✓ Pitch distribution
    Avoid becoming predictable by balancing pitch type and location

You always make the final call. AI suggests — you decide.