Have the app for a long time, but so far only the free. I then last night finally bought the "Pro" version. Although the app has a high price, but I had to buy the "pro" version, as I now not only max at last. Could create 2 accounts.
###### What I still hope that you can use on various devices from the app. For example, using the e-mail address ######
Conclusion: Despite the high price for an app, I am fully satisfied.