On the iPhone, the receiving device displays the transferred files right within the Xsync app.

WSJ: Easier File Sharing With Phones In Black and White

Xsync can generate codes that represent either existing files on your phone, or files you create on the spot.

WSJ: Easier File Sharing With Phones In Black and White

The app creates a QR code representing the intended transfer of that file and temporarily sends the file to Xsync's server.

WSJ: Easier File Sharing With Phones In Black and White

If you have an iPhone, Xsync is an effective way to transfer files like photos, songs, videos and more between phones.

WSJ: Easier File Sharing With Phones In Black and White

If you're using an Android phone to receive, you get a Web address that leads you to the file on Xsync's server.

WSJ: Easier File Sharing With Phones In Black and White

Your friend uses Xsync to scan the QR code you've created with his or her iPhone's camera, and the files are sent to your friend's iPhone.

WSJ: Easier File Sharing With Phones In Black and White

Once you install Xsync on your iPhone, you select an audio file, photo, video, contact, or calendar appointment, each of which is represented by a simple icon.

WSJ: Easier File Sharing With Phones In Black and White

Nexus 4, via a QR code generated by Xsync.

WSJ: Easier File Sharing With Phones In Black and White

You can even generate a QR code using Xsync that will allow you to transfer money from your PayPal account to another person's, though that requires an added authentication step for security.

WSJ: Easier File Sharing With Phones In Black and White