KidZui was started in 2006 when Vidar Vignisson was frustrated because he couldn't find a safe and easy way for his own children to use the Internet. Vignisson joined with Cliff Boro and Thomas Broadhead to found KidZui. Vignisson was frustrated by the approach of existing technologies that were available at the time; online filters helped keep out dangerous content, but could only be used in conjunction with adult browsers, which are hard for children to use. Existing children's browsers were easier to use, but had access to very small amounts of content. Vignisson, Boro, and Broadhead set out to build an easy-to-use children's browser with access to a large and diverse set of online content and activities. KidZui is venture backed startup. Investors include Maveron, Emergence Capital, and First Round Capital.