![](https://play-lh.googleusercontent.com/a/ACg8ocLiVFGlR8AJbOwIjOrszNfmr_MDAgve1T7gL6tzKgP-N-Yp-myN=s32-mo)
Tony Mince
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The app just spins when it try to log in/register. Edit: finally able to log in. The problem is that the back end server periodically times out for long periods of time. The app uses no error messaging whatsoever. If you manage to log in to the app and connect your device, you will find that oftentimes when you change a setting it looks like the change was made, but it is not saved when you exit the setting screen. No failure feedback given. Probly another back end availability issue as well.
![](https://play-lh.googleusercontent.com/EGemoI2NTXmTsBVtJqk8jxF9rh8ApRWfsIMQSt2uE4OcpQqbFu7f7NbTK05lx80nuSijCz7sc3a277R67g=s32)
A Google user
Hardwarw is great but the app is trash. Every version has been broken. After I replaced the cartridge on my device, everything about the app fell apart. The app couldnt communicate with my device anymore so I removed and havent been able to pair the device for weeks. Working with support and they dont even know what the problem is. The app crashes when simply trying to pair a device. If you can't manage to get hardware to pair to an app, is it really "smart" hardware? Unacceptable software
2 people found this review helpful
Hi there, Jarrett! We believe our Support team has already provided you the instructions to solve this problem. But thank you for your feedback! Really appreciate that. ;)
![](https://play-lh.googleusercontent.com/a-/ALV-UjWC1GNqxjzYyx7_C2yjIiCxf5Bvczsp6G-5EEsviGOXmaotFqI1=s32)
Jeremy Diaz
App doesn't work! Got a new phone and had to repair my eva smart device. I followed the instructions to pair and it just keep failing! Having to repeat everything over and over with no avail. I see the device putting out a wifi signal but the app fails every time to connect to it. Very irritating considering how over priced this is for this feature you can't even use. Makes no sense.