If I use the Starbucks app, I get credit towards a free item (it works out to an 8.3% discount if you always buy the same thing). A 1.7% savings really isn't e

If I use the Starbucks app, I get credit towards a free item (it works out to an 8.3% discount if you always buy the same thing). A 1.7% savings really isn't enough to interest me...