I have enjoyed researching the plethora of Apps which are available and there are a lot.
I have written a blog concerning the relevant App for the Traveller.
What I did not expect to find was that one App - 'Orbitz' gave you a more expensive price if you were using a mac.
"Testing the data, The WSJ found a Mac search for a hotel in Miami Beach for two nights in July showed pricier hotels on the first page of results. “Overall, hotels on the first page of the Mac search were about 11% more expensive than they were on the PC,” the article states."
and the Mac User spends 30% more....