It's not about making it compatible with one just one app. Its offering a broad range of connectivity options (within reason) to satisfy the users who want to engage with your forum. I understand this may add administrative cycles which could make it a challenge.
If I have to use Safari for AP, thats ok but I personally prefer Tapatalk as a standard interface for all the forums I participate with. Perhaps others feel the same.
Either way, its no big deal.
thanks.