In September 2008, the original Peek email device launched in the United States. On September 12, 2008, Peek received its first review in a major outlet when David Pogue called it "sweet", "simple", "elegant" and predicted that Peek's model would win "quiet, gradual popular acceptance by normal people".[3]

In April 2009, Peek launched their second device, the Peek Pronto, which supports Push email ('instant' delivery), Microsoft Exchange, increased support for email attachments (PDFs, DOC and pictures), and unlimited texting support.

TwitterPeek, introduced in November 2009, is a mobile device that allows users to send and receive tweets using Twitter. It is the first Twitter-only mobile device. It went on sale on November 3, 2009.[4]

In 2010, Peek refreshed its lineup with Peek 9 – adding Facebook, Twitter and other social and news features.

In 2011, the first 3rd party handsets launched from fast-growing producers such as MicroMax in India. The Peek software brings smartphone features to these low-cost handhelds.

In 2012, Peek announced that it was going to end support for the Peek device and instead shift their attention to the cloud.[5]