There is almost zero support on the website. There are no details to guide through sync process. Other apps allow simple sign-in sync, but this needs a 3rd party Dropbox. It's over complex for what it is.
Financius - Expense Manager is able to utilize multiple money accounts so the user can have their bank, credit card and online money accounts such as Paypal listed within the same app. the user is also able to record different currencies within these accounts.