iTajPlus is described as 'Visting The Taj Mahal? Get the most trustworthy, informative, entralling and affordable guide to the city of the Taj, Agra' and is an app in the Travel & Location category. There are four alternatives to iTajPlus for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Blackberry 10. The best alternative is MAPS.ME, which is both free and Open Source. Other great apps like iTajPlus are MAPS (Free, Open Source), Karta GPS (Free) and Galileo Offline Maps (Freemium).
Probably the fastest maps ever on the App Store. Galileo Offline Maps provides you with a collection of online maps: CloudMade good looking maps, MapQuest, OpenStreetMap, OpenCycleMap, OpenStreetBrowser, HikeBikeMap.