Compare
Four ways to bill, compared honestly
We compare approaches, not named competitors. Each page says who the other approach suits, because sometimes it is the better choice.
Knock vs
Spreadsheets
Spreadsheets are a fine start. Recurring billing is where they strain.
Knock vs
Manual invoicing
Hand-made invoices work until the tenth customer.
Knock vs
Generic accounting software
Accounting software keeps the books. Billing software runs the cycle.
Knock vs
Building billing in-house
Building billing looks like a weekend. Maintaining it is a job.