why not buy an android device? my nexus 7 straps to my leg and has gps with wifi only. can probably buy for peanuts compared with apple
You can, if you want. But, how long is that specific Android device working, which OS updates will be offered and how long will it run the current SD software? I have seen so many Androids now gone to the trash bin because their system was outdated and no upgrade offered that I doubt there is an advantage over time.