Betfair trading apps for iPhone/ ipad

Hi lads and lasses.

Can anyone advise on their preferred apps for iPhone/ipad.

The best free app , and also the best paid apps.

Im looking for cwrtain features, in particular one click betting. I want to have a set stake of say £50 and literally press the back/lay odds and have my trade placed.

I’m out of the house most of the day so cannot get to iMac to place bets instantly and am sick of the odds changing on betfair app in the time it takes to confirm bet.

Any advice you can give would be great.

Many thanks.