Jamba GmbH

Jamba (formerly Jamba!), formerly operating under the name Jamster in China, Brazil, and in the United States is a premium-rate monthly SMS mobile phone content provider, based in Berlin, Germany. Jamba's main line of business was the creation and marketing of ringtones for mobile phones. It is perhaps best known for the ringtone characters Sweety the Chick, Crazy Frog, Anna Blue and Schnuffel Bunny. The company also sold insurance for mobile phones and home electronics and ran online gaming and online dating services. In 2005 it started doing business in China. As of 2021, the Jamster branch of products has been dissolved.