Since I started this thread months ago the app has gone through a number of changes and now seems to be working well. For a little while I would have to refresh data after adding an invoice in order for it to actually show up in recent transactions (required to accept a customer signature). As of last night, that also seems to have been fixed. It's a new invoicing interface that will take some getting used to, but otherwise, all functions are once again working.
Thanks
Wjurls
