Sparrow, the best email app for Mac is on discount sale for the next three days for $4.99 actual price is at $9.99. A solid 50% discount for new customers  purchasing Sparrow app for MAC version.

The bad part of the present Sparrow discount offer 50% is it does not apply for iphone version.

Sparrow for Mac will be $4.99 only until Monday the 16th of July. Only on the Mac AppStore. Grab it now!