We use Trello to organize jobs. In the Custom Fields Power Up, it gives options to enter in numbers, text, etc. However, there is no way to use a custom field to tally up numbers in a field. For example, at each job we walk through a house/hotel/etc. and count the number of each product that will be needed. It is inconvenient to have to tap each field and change the number each time it goes up. Is there a custom field that has this ability to tally/add or subtract by simply tapping the - or + sign next to it? If not, who can I contact to possibly get that added to the PowerUp? Like this but with custom named fields:
