The redesign introduced a "friends" tab featuring "tips, lists, and places your friends have saved," the company said. Foursquare also claims to have made the app faster.

A BlackBerry version of the app will come soon, the company said. Foursquare does not build apps for Windows Phone "in-house," a representative said in an email, but according to Luedorf, the company is working with Microsoft to create an app for the Windows Phone.

The blog post announcing the changes promised more updates in the "weeks ahead."

The IDG News Service