the app crashes about once per day.
It's not officially released yet, this will be fixed in the app store version.
It seems as though there should be a pin required or pwd to spend btc, no? Otherwise, lose iphone, potentially bye bye bitcoins. Speaking of which, shouldn't there be a sign out option?
Enable double encryption (you need to login to the web interface) - this will allow you to set an extra password required to send coins.
It would be useful to have a copy button on the receive address screen, along with the label and archive buttons.
You can tap the QR Code image to copy the address.