What krtrcn said. There is no substitute for a good written logbook.
One wrong click and it's all gone too.
The app looks promising it's a yearly cost .
What happens if you don't pay , ? No access?
The promo vid was ok just really didn't get a good feel of what it doing to do .
The initial download is free and then there is an in app purchase to unlock use of the app. As of right now it is $9.99 a year. The information does not delete unless the app is deleted from the device.