21Twelve Interactive – Dover

21Twelve Interactive is one of the leading mobile application development companies, Dover. Founded in 2016, 21Twelve Interactive has 25 people and more. Its headquarters are located in Ahmedabad, India, and its offices in New York. They offer a full development service for iOS and Android platforms, including mobile strategy, user experience design, testing, launch and maintenance. The client thanked 21Twelve Interactive’s willingness to work with an existing application instead of redeveloping the entire project.