Simple Invoices Software is described as 'Create professional invoices within seconds. Clients can pay your invoices in one click thanks to built-in Stripe integration. You can store credit cards for future payments and create recurring invoices' and is a Invoicing software in the business & commerce category. There are more than 50 alternatives to Simple Invoices Software, not only websites but also apps for a variety of platforms, including Windows, iPhone, Mac and iPad apps. The best Simple Invoices Software alternative is Midday. It's not free, so if you're looking for a free alternative, you could try Paymo or Akaunting. Other great sites and apps similar to Simple Invoices Software are Wave, InvoicePlane, Onigiri and FreshBooks.