Loron Y.
Posted
Great App
This app is sooo good i recommend everyone to use it if your wanting to sell your electronic devices. The offer was reasonable,i shipped my xbox out to them and it took a day i love whistle and will use again.

Excellent
213 reviews
Backflip is listed under Appliances & Electronics.
Backflip (backflip.com) has 213 customer reviews on Consumer Courier, with an average rating of 4.8 out of 5.
213 approved reviews, newest moderated first
Loron Y.
Posted
This app is sooo good i recommend everyone to use it if your wanting to sell your electronic devices. The offer was reasonable,i shipped my xbox out to them and it took a day i love whistle and will use again.
Sasuke U.
Posted
I. Really great working with them
Brittany L.
Posted
Such an easy process. Got the package in the mail, boxed it up, dropped it at the post office, and got money fast! I highly recommend it.
Lamont K.
Posted
Everything was excellent and I will love to sell another phone to them again
Wagner
Posted
Whistle is way to use, navigate, quick reviews and payments. This is by far the best service I have used. The customer service team is top notch.
Nathaniel W.
Posted
I saw an add on facebook about whistle and i decided to check it out i described my phone they gave me an offer and i felt it was fair. They sent the materials to me for free to ship the phone. I shipped the phone and they kept me updated and tracked it the whole way to them. All in all they have great service and i would recommend them to anyone who would like to sell any electronic they take. I actually already recommend them to someone.
Sam H.
Posted
I selected Whistle to sell my iPhone 8’s to get some extra money to pay for my new iPhone’s. Their website was very good and it explained how the process works from the very beginning to when you get paid. Overall, I was very happy with the process as they have tremendous customer service and you get your paid quickly.
David R.
Posted
The customer support was great and the payment was fast