Maps & GPS (6670 programs)
Pros: Free to download and use. Comes in a number of languages.
Cons: Only compatible with Android. Features constant advertising.
Pros: Works offline. Clear display of street names. Shows multiple transportation options. Covers more than a thousand cities.
Cons: Plagued with pop-up ads. Does not auto-lock onto satellites. Voice system tends to lag. Cannot install on external SD card.