Locus Free. !!!
Problem on Android devices 4.4 !!! There is not possible to store data on external card from Locus. Please move the directory Locus to internal phone storage manually. Android Sat Nav Apps. Here's a comparison and mini-review of some Sat Nav apps for the T-Mobile G1, HTC Magic, Hero and others running the Android platform.
Some of these apps are free, some have a free trial, and some are paid-for sat nav applications. Until fairly recently, decent sat-nav software for Android was quite thin on the ground, but now we are spoilt for choice. The Android platform has always had the excellent Google Maps application built-in, but if you want turn-by-turn navigation, you will have to install a third-party sat-nav program such as one of those listed below.
I've included a brief review and opinions of the apps as well as costs, phone memory footprint, and where to download them. Review of Free Offline Map / GPS software. Hi, I live in China and so don't have 3G.
Also I don't like to wait for maps to load and I don't like to pay data charges. So I started looking at off-line map programs.