Is verb transitivity (i.e. transitive/intransitive) marked in the iPhone version of the Daijirin? I was expecting to see 他/自 or something similar, but can't seem to find it...

Do any of the other J-J dictionaries mark this - if so, which ones?

広辞苑 marks it.

大辞林 has easy to read definitions, but it's not as detailed.