Software
iOS
35%
8
Android
35%
8
None
17%
4
Web Browser
9%
2
Windows Phone
4%
1
Compatibility
11+
20%
2
4-10
40%
4
1-3
40%
4
Reviews
75%
6
25%
2
Price
$50-99
50%
4
$100-149
38%
3
$150-199
13%
1
Connectivity
Power Supply
Cloud / Server
Stand-alone
Color