Now everyone have a smartphone and many guys trying to make money with smartphone. The whaff rewards apk is best app for make money online. Its a great app. Its gives money for daily attendence, downloading apps, keeping apps, refer a friend. Its all the earning area is very good. You can earn many dollar with this awesome app. It payout with paypal, amazon, google play store and many more. It need a facebook account for log in. You can get the log in reward with using my invitation code. My whaff invitation code is EB81335. If you use my code you will get $0.5.