ScanFX X5 Matte White/Silver Battery Case for iPhone 5 2000mAh Ultraslim vs Zowwetek ZW-SR04 Selfie Robot, Remote Control, 360-degree movement, Bluetooth, iPhone / iOS Compatible
Specs side by side at each model's entry configuration, with the cheapest crypto price for each.

ScanFX X5 Matte White/Silver Battery Case for iPhone 5 2000mAh Ultraslim
1 configurations
from $31

Zowwetek ZW-SR04 Selfie Robot, Remote Control, 360-degree movement, Bluetooth, iPhone / iOS Compatible
1 configurations
from $20
0 of 0 specs differ across these 2.
Questions
What is the difference between the ScanFX X5 Matte White/Silver Battery Case for iPhone 5 2000mAh Ultraslim and the Zowwetek ZW-SR04 Selfie Robot, Remote Control, 360-degree movement, Bluetooth, iPhone / iOS Compatible?
0 of the 0 specs we track differ at their base configurations. The table above marks every one, and flags the better value wherever a spec has a better direction.
Which is cheaper?
Zowwetek ZW-SR04 Selfie Robot, Remote Control, 360-degree movement, Bluetooth, iPhone / iOS Compatible from $20, $11 less than the ScanFX X5 Matte White/Silver Battery Case for iPhone 5 2000mAh Ultraslim. Both are the cheapest total, shipping included, for the entry configuration.
Are you comparing the same configurations?
Each model is shown at its entry configuration, which is the only fair basis for a like-for-like table. Open either product to switch memory, storage or chip and see how its price moves.