Use APKPure App
Get Karachi City Maps Offline old version APK for Android
This app is a good companion for going around the city.
This app contains offline Map and Search Places facility for the Karachi city.
It contains over 50,000 PoIs - Points of Interest in an offline database.
It also has offline maps stored in your device.
Thus one can enjoy functions of Google Places in offline mode through this app - without Internet/Data connectivity.
Great help to avoid high data charges and Roaming charges.
The search is instantaneous - faster than online maps search.
The results are listed in ascending order of its distance from city center or your GPS location.