Pairing lives in iOS, not the app. Once paired, every call plays to the helmet.
Don't have a headset yet? See recommended gear →
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Stats from here on are logged under this game. Leave blank to just start a fresh game.
Drop GameChanger Box Score screenshots (one or many games). We read every stat, check it adds up, and flag anything missing before saving.
Pick the pitches this pitcher throws:
Tap a team to coach it. Each team keeps its own roster & arsenals — set them once.
Pick the targets each pitch shows. Audio is generated in your coach voice.
Pickoffs, defenses, and your own calls (e.g. Tango). Tap ✕ to remove.
Got an idea or a problem? Send it straight to the MAVTRAX team — we read every one.
Type anything — it's spoken in your coach voice through the headset.
Pick the voice that calls your pitches — tap one to hear it.
Tap a pitch — the catcher hears the call instantly through the helmet headset. No signs. No wristbands.
Call it. Hear it. Trust it.
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