The simplicity, easy of use and pleasant user interface are the strong points for Less Accounting. It's easy to create and send invoices in a one time basis or if they're recurring.
There are some aspects that are different than traditional systems, but they end up being better once used to them. For example, when I received payments in the past I'd mark the invoice as paid and then upon deposit I'd mark the payment in the transaction list from undeposited funds. In this system, I remove the one step and reconcile both at the same time saving me time.
There dashboard and weekly email digest are great updates on my financial situation and what money is owed to me.
Less Accounting helps me managing my banks accounts, bill my clients for work done or to be done, and easily see my financial situation at a high level.