Betonline

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About this app

Betonline is a tool for American football coaches who build and check pre-snap offensive formations. Everything works offline, with formations, templates, and settings stored on your device. Betonline app guides you through a short initial setup before opening your local library.

In Betonline, create or edit a formation, select personnel, and place players in position. Set splits in yards, the strength side, eligibility status, motion, tags, and coach notes. Betonline app checks required fields, allows up to 11 players, confirms that at least one player is on the line, and accepts splits from 0 to 15.

The Betonline analysis screen displays errors, warnings, and tips about player count, key roles, duplicate positions, eligibility statuses, motion conflicts, and incomplete splits. Copy, rename, favorite, or delete local templates, then view a practice summary of ready, draft, and problematic formations. Betonline app also lets you attach one photo of a board or paper diagram; if the camera is unavailable, you can use a manual note.

Search and filter your library by personnel, formation type, or tags while Betonline keeps changes stored locally. Adjust grid size, split units, autosave, deletion confirmations, and save warnings. A fixed dark interface, field-level validation messages, and clear loading, saving, and error states help protect your work.