Software
iOS
38%
9
Android
33%
8
None
25%
6
Windows Phone
4%
1
Compatibility
11+
20%
3
4-10
27%
4
1-3
40%
6
0
13%
2
Reviews
82%
9
18%
2
Price
<$49
91%
10
$50-99
9%
1
Connectivity
Power Supply
Cloud / Server
Stand-alone
Color