FlagPlayLab is a free play designer for coaches. Drag players onto the field, draw routes, load flag football formations from 4v4 to 8v8 or 11-a-side, check NFL FLAG rules, and print or share the play. It also has basketball play and court-diagram tools. The web version needs no account. Free download for iPhone, iPad and Android, with optional Pro for sideline game-day tools.

Website: https://flagplaylab.com/
Google Play: https://play.google.com/store/apps/details?id=com.skyseedtech.flagplaylab
App Store: https://apps.apple.com/us/app/flagplaylab-flag-football/id6826748601
Publisher: SKYSEED TECH LLC