Updated August 2, 2017: New entries added
You don't get as many pure RPG games on mobile as you used to. Here in these hybrid-happy days it's all roguelike this, procedurally generated that, and CCG the other.
But what this often revolves around is playing a role in an epic adventure - the very essence of an RPG.
We're not too precious about honing in on what an RPG constitutes. Suffice to say if a game features stat-heavy battles, copious incidental conversations, potion-laden shops and some kind of fantasy lore, it's probably in with a shout.
There are a whole bunch of excellent RPGs available for the iPhone and iPad. Even whittling the list down to 25 was tricky.