Diamond Ledger

Diamond Ledger helps you prepare friendly baseball games by planning defensive positions for each inning. Add players, create a game plan, and manually assign participants to the nine standard defensive baseball positions. Each inning has its own lineup, so you can review who is playing where without using a scoreboard, timer, randomizer, team balancer, or ball landing map. Key features: • Create and save game plans with a title, date, notes, participants, and planned innings • Add players to a local library with optional notes • Copy players into each game plan so later library edits do not change saved games • Assign players to positions inning by inning • See open positions and unassigned participants for the selected inning • Prevent one player from being assigned to two positions in the same inning • Move or swap assigned players with confirmation • Clear a position and undo the latest change • Copy the previous inning after confirming replacement of existing assignments • Review a table of players, innings, positions, and assignment counts • Check incomplete plans by inning and jump directly to missing positions • Save incomplete plans as drafts, or mark plans ready once every position is filled • Search and filter archived draft and ready plans • Duplicate saved plans as independent copies • Attach one optional local photo to a saved plan • Adjust archive sorting and lineup row compactness Diamond Ledger is designed for preparation, not live game scoring. It does not track runs, time, player ratings, skill balance, or automatic recommendations. The review screens recalculate totals from your saved assignments only. The app works fully offline. It does not require an account, remote data, or network access. Player names, notes, plans, assignments, settings, onboarding completion, and optional photos are stored locally on your device.