Logic Invoice is described as 'Accounting & invoicing solution, which you can use to build websites and online applications. Best of all, Logic Invoice n open source project, allowing everyone to freely access the source codes and make their own customisations' and is an app in the business & commerce category. There are more than 10 alternatives to Logic Invoice for a variety of platforms, including Web-based, Windows, iPhone, Android and iPad apps. The best Logic Invoice alternative is Intuit QuickBooks. It's not free, so if you're looking for a free alternative, you could try Wave or Invoicera. Other great apps like Logic Invoice are FreshBooks, Sleek Bill, Warehouse Manage and C invoiCe.