The question is not how many customers you have. It is how many of them still come back.
Create my free cardHaving 800 emails tells you nothing. Among those 800 are people who come weekly and people who passed through once two years ago. Treating them the same is why loyalty emails do not work.

You say how often you expect a good customer back — weekly, fortnightly, monthly, quarterly — and Volvia sorts everyone into five groups measured against that rhythm: regulars, returning, new, drifting and lost.
Forty days away is normal at a barber and a leak at a coffee shop. The groups are calculated against your frequency, not a calendar month.
Every customer falls in exactly one, so the five numbers add up to your total. They are there to read the business at a glance.
You tick the ones you care about and that becomes a campaign or an export. It is not a report to look at, it is a list to use.
The groups are built from the visits you record. If your team only stamps half the time, the numbers will say people are drifting when in fact they are still coming.
Any time. The groups recalculate immediately, because they are not stored: they are read from the visits each time.
See every question