I've never used Tapatalk. Is it worthwhile? I'm not a Luddite but when using my Android I just access the pc version of this site.
TapaTalk was made for phones that don't have the latest browsers, as an example iPhone 5, and therefore can't fully use the forum, often you can browse but not comment.
If you can use the forum without using TapaTalk then I'd not bother with it, it aint broke so don't fix it
