ShopStyle, an apparel and accessories search engine that aggregates from brands such as Diesel, American Eagle, Levi’s and Marc Jacobs, has gone mobile to extend its brand and help retailers reach mobile consumers.

The Progressive Group of Insurance Companies has launched an iPhone application and a mobile Web site that let consumers pay for their insurance via their handsets.

Cellit, a provider of mobile marketing services, has launched the iWidgit, a handheld mobile coupon redemption system for easier point-of-sale integration.

StoneRaven Media’s CardRaven has launched an iPhone application that lets consumers buy and send a physical greeting card from their smartphone.

Sidebar has launched an application for several models of Research In Motion’s BlackBerry to reach what it calls a sophisticated audience.

As soon as Apple announced its newest creation, the iPad, app developers such as NearbyNow and Big in Japan announced plans to extend their products to the platform.

Citibank has expanded its iPhone application to help customers stay connected to their finances in real-time.

Online retailer Overstock.com has added an additional sales channel to its mobile offerings with a new commerce application.

Social networking service Flirtomatic has launched an iPhone application to extend its platform and services – including the selling of virtual goods to consumers and advertising space to brands.

FastMall is helping consumers get the most out of their shopping experience with directions, GPS parking, directories and special offers being served within the new application.