One downside to Tapatalk is that every message you get in here creates an email regardless of your actual settings in your profile on forums. That is how it worked when Tom's Hardware had the feature implemented. It might be different now?
Tapatalk is always optional, so if you don't sign up to tapatalk than you won't receive those emails. I believe the frequency and type of tapatalk email notifications can be adjusted from your tapatalk account. In any case, it is not yet active on the forums here, but we may want to implement it later this year or early next year. It depends on the appetite of the community. Certain communities love tapatalk, while others do not.
For now you can access the forums and all of its features from any mobile browser on either Android or iOS.