Interactive Strike Zone
Tap a 5×5 zone grid to log pitch location — zones automatically classify as a strike or a ball.
Live Pitch Charting
Log every pitch in real time — location, type, velocity, and outcome — then sync across devices and break it all down with analytics after the game.
📱 iOS app — coming soon to the App Store
Fast enough for the dugout, thorough enough for the film room.
Tap a 5×5 zone grid to log pitch location — zones automatically classify as a strike or a ball.
Ball and strike counters update instantly with every pitch you log — no mental math mid-game.
Manage pitchers and batters with jersey numbers; your rosters persist across every session.
Join a live game by Game ID or scan a QR code to jump in from any device — everyone sees the same session.
Pitch mix, velocity trends, strike-zone heatmaps, and platoon splits — dig in after the final out.
Download the full game log as a CSV, formatted for Excel, for whatever analysis you want to run.
Easy on the eyes for night games — your theme preference is saved across sessions.
Real screens from the app — logging a pitch, then breaking it down afterward.
Charting Screen
Log location, pitcher, batter, and count in one screen
Analytics & Heatmaps
Filter any game or the whole season by pitcher, pitch type, and count — then see strike-zone heatmaps, velocity, and tendencies at a glancePitch Charter started with a simple problem: charting pitches during a live game is hard to do well on paper, and most apps are built for the film room, not the fence. Every screen is designed to be fast enough to use one-handed, mid-inning, without losing track of the game in front of you.
It's built and maintained by a solo developer, shaped directly by feedback from the coaches and scorekeepers using it every week.
Free to use in your browser today. iOS app coming soon to the App Store.