I have been aware of Tapatalk for a long time already. I do not like it for few reasons:

- members have to purchase the app
- a branding-free option is very costly for forum owners
- forums that join become an essential marketing engine in enabling their userbase to join other communities as well

Most of all, I do not see the benefit of having Tapatalk when we have our very own and free native mobile skin that does the job. Nobody I know actually uses their mobile to actively participate and post (you simply cannot enjoy the same level of browsing and interaction experience through your mobile device). Keeping track by reading new posts and messages is what most mobile activity goes down to at this time.