RelativeMap can display two maps in one.You can look at and synchronize maps in RelativeMap.It's easy to understand to compare how far distance you have not been to from the place you know well.You can get which country is bigger with synchronizing maps by yourself.
Full Specifications
What's new in version 1.2.0
Add menu bar, change front and back of Map, bug fixed, for iOS8.
General
ReleaseMarch 29, 2015
Date AddedMarch 29, 2015
Version1.2.0
Operating Systems
Operating SystemsiOS
Additional RequirementsCompatible with iPhone 4. iTunes account required.