SEM Nexus is one of the top marketing agencies in the industry. It’s an award-winning start-up app building agency focused on creating and marketing start-up mobile apps. A decade ago, SEM Nexus started as an app marketing agency. The SEM Nexus process uses a combination of App Store Optimization (ASO), App Store & play store ads, Social Media ads and influencers to acquire users, followed by in-app analytics to retain active and paying users. Instagram and Facebook are both powerful social media influencer platforms, and SEM Nexus utilizes social media influencers, to their fullest and ensure success. Not only is SEM Nexus recognized as one of the best mobile app agencies, but has also been successful in building & marketing many of the apps people probably used today.