SoccerSub helps you run subs during soccer/futsal games by tracking the time given to each player.

The first step is to define the Positions. Choose 5v5 (futsal), 7v7, 9v9, or 11v11. Then touch the positions you want to activate in your lineup to display them in bold.

Next, set up your Roster. Each name on the roster can be in three states: available (), sick (), or delete (). Players marked "sick", won't be available for games, but you can toggle them back into availability. Players marked "delete" will be removed from the system when you switch screens. If you accidentally delete a player you'll need to manually add her/him again with the "Add Players" button.

Click Game when it's time to play. Drag the starting players and drop them their positions. Control the game-clock by touching it to toggle it on and off. Once time starts, you can set up multiple substitutions and execute them simultaneously with the "Make Subs" button. During timeouts or half-times, the whole screen turns red to as an indication that the clock needs to be restarted.

If you get out of sync, you can stop the clock and adjust the time as needed with buttons that appear beneath the clock.

The team and game state is held in your browser's local storage on your device. You need access to the internet to load the web site, but once loaded, you do not need to be connected to the internet.