1. Select the blue text Tallies button situated top right of the screen on the Guest list tab.
2. Select the blue Add Tally button.
3. A New Tally pop up will be displayed. Enter a name for your tally and then select the Add option. To add or remove a tally simply tap the ( + ) or ( - ) buttons next to each tally.
All your tally totals are automatically added to your in-venue statistics and your event available statistics too.
Useful Link: Create and manage tallies (Qflow web dashboard)