City Maps 2Go Pro or Premium Offline Maps ( Android)
Steps to get the free pro or premium version:
https://play.google.com/store/apps/details?id=com.ulmon.android.citymaps2go
Open the app. From the menu, select “Redeem a code”
Enter the code PROSUPP (for pro version) or PREMSUPP (for premium version) – you must manually enter these codes, do not copy and paste!
You should now have pro or premium access to the app for free