I don't like Tapatalk or any other "app" per se. I find the entire concept entirely old fashioned and hackneyed, but Tapatalk is often the only solution for some places that aren't willing or technically able to build an auto sensing, native mobile site.
I like the way Reddit, The Verge, Digg, CNN, and virtually all other decent sites work. If I visit on my PC, it looks normal. If I visit on a mobile device, I get the same content, it's just presented in a mobile friendly fashion. No rocket science. No "apps" required. No silly scrolling with your finger every 1.2 seconds, no two fingers monkeying around zooming. It simply works, sees I'm on a mobile device then throws the proper version at me, easy peasy.
Around here, Tapatalk is about the best we can ask for, though. I find myself using A.org about 5% of what I did say 18 months ago. This is mainly because I've been working more and often my only devices on hand are mobile ones, and A.org is just god awful on smaller mobile devices. It's usable on an iPad, but pretty rough on a smartphone.
I'd love to see a better mobile experience here at A.org, as I fear it is only a matter of time before I simply stop visiting in favor of the other Amiga sites that already support mobile well.
There's various vbulletin modules available that might be even easier and more elegant than Tapatalk that could be used, I suppose.