One that I have been using and find really good or tracking incomings and outgoings is Pocketbook.
Pocketbook is a free app on your iPad and iPhone that can also be used on your computer via your web browser see getpocketbook.com.
Pocketbook allows you to link to your bank account/s, then sync and categorise your bank transactions really easily. You can also import transactions from elsewhere, and export reports.
It's free, so check it out to see if it meets your needs.
Other iPhone and iPad possibilities that you might like to take a look at are:
Additionally, here is an article from the Sydney Morning Herald in 2013, giving some other suggestions.