It is, I use it via android.
iPhone:
http://itunes.apple.com/us/app/tapat...307880732?mt=8
iPad:
http://itunes.apple.com/us/app/tapat...481579541?mt=8
Android:
market://details?id=com.quoord.tapatalkpro.activity
Kindle Fire:
http://www.amazon.com/gp/mas/dl/andr...lkpro.activity
There used to be a free version of it too, I'm sure you can find it by searching.
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