As a standalone on 1 device app will work.I would not recommend this app if you plan to use your iPhone in the field and the MacOS app or iPad in the office.We have found many issues and compromising work arounds.Technical support is responsive to request,however,they offer no solutions for problems or issues.For now 2 stars until all the apps features at least work.
Jonfinpa about Moon Invoice Pro - Invoices, estimates, purchase orders, timesheet, credit notes, expenses, v1.5.2