Perfect for what it says it does.

We use FreshBooks for recurring and project-based billing. it provides an easy way to keep track of what we have outstanding and what has been paid, and we like that it offers many payment options for clients that we don't have to cobble together. It also helps us compare our billing and collecting payment data over the many years we've had it. We're on a level with it where we can only support 50 clients, but that's not too onerous to deal with.