It's on the Apple store now for Iphone user:
https://itunes.apple.com/us/app/middlecoin/id795238640?l=fr&ls=1&mt=8

How to use it:
-On first start, wait until the refresh is done (100%)
-Click on the + button to add a worker/bitcoin payment address
-Use the search bar to type some letters from your bitcoin address. If you haven't wait for the refresh, the search bar has no data.
-Click on your bitcoin address that the search bar display
-Give a name to this account/user
-Click on done
-Enjoy

The estimtated works only for workers that have at least 1 payout.

More features to come in the next update like BTC/mhs/day