I must be lucky.......
My Coverts have worked great. And, I like the app, too.
I have had some issues as they experienced 'growing pains' with updates and changes. I guess that I am just accustomed to that and understand it due to my work experience?? None have been a show-stopper, though.
I now have the 2016's. But, I have had their camera's since 2014. I have been able to upgrade through their trade-in programs and keep up with their technology in an affordable manner.
And, I gotta say......they are fun!
Oh, and I forgot....I paid less than $300 for my newest one. And, I have helped several friends do the same.