⚾Diamond Planner
The baseball lineup planner coaches love
Plan batting orders, assign fielding positions for every inning, and visualize your lineup on an interactive field — from anywhere.
Free to use. No credit card required.
Everything you need on game day
Built for youth baseball coaches who want to spend less time juggling spreadsheets and more time coaching.
Drag-and-Drop Batting Order
Build and reorder your lineup with a simple drag-and-drop interface. Every rostered player bats — no one gets left out.
Fielding Assignments
Assign positions inning by inning. Amber highlights flag position conflicts so you can fix them before game day.
Interactive Field View
See every player's assignment on an interactive diamond. Flip through innings to confirm your plan at a glance.
Coach Collaboration
Invite assistant coaches by email. They get full read/write access to lineups — no extra accounts needed.
See it in action
Available on the web and on iOS.
Ready to simplify game day?
Sign in to create your first team and start building lineups in minutes.