The year 2017 proved to be one of the best times to invest in Mobile app development. Enterprises have now realized that mobile apps are now a necessity. A Smartphone is a very best way to meet customer demands and increase sales. In the year 2017, the projected rise is 254 billion free downloaded apps, up from 57.33 billion in 2012, which proves mobile development is one of the most actively growing sectors in the industry. The key players are Google apps, social media, lifestyle and gaming apps. Large companies (retailers, banks, hospitality, etc.) are using mobile applications for branding, increasing customer engagement, direct marketing, etc., while small and midsize businesses are also following the mobile trend and creating their own apps.