
1. 21Twelve Interactive :
21Twelve Interactive offers you an award-winning mobile application design service, an experienced development team, a product manager, a marketing ninja, a strategic business consultant and a startup genius, all in one.
21Twelve is one of the leading mobile application development agencies with offices in the United States, United Kingdom, Canada, United Arab Emirates, Doha, Singapore, Scotland and India. Applify thrives on its design and on the superiority of the outsourced product compared to its competitors. They have developed dozens of applications for prominent companies and new companies that have been successful in the market.