The previous versions of the iPhone app were all very buggy can often crashed. This was the case for a few years. The new app is a totally different and is a re-write from the ground up. It It has some interesting new features, but is missing many of the original features like:
-Ability to switch between phone numbers in your account
-Sync with the call forwarding features you have with the phonepower online manager
currently, you can call forward from the APP, but this will only work if the call forwarding on “My Account” has no features activated. This is confusing. The app should be in sync with “My account” so changes can be made from both locations.