HubWho vs. every alternative agencies evaluate

General-purpose accounting + invoicing platform. Most agencies use it for books, sometimes for invoicing too — but it has no concept of per-client recurring agency margin.

Heavy-duty subscription-billing engine used by SaaS companies for revenue ops. Powerful, but designed for product-led SaaS — not for marketing agencies billing recurring client services.

Stripe's hosted invoicing and subscriptions product. Excellent payments primitive — but a per-invoice fee on top of processing, no per-client margin reporting.