Questsphere is a full service mobile application and software development company located in Agoura Hills, CA. located approximately 45 minutes from downtown Los Angeles.

With over 25 years on software engineering, mobile and web development experience, Questsphere has developed complex integrated air traffic control systems, artificial intelligence engines to simple mobile applications. All software development is done on site with our team of developers and we provide full creative, conceptual and engineering support.

We have contracted with many fortune 500 companies in the mobile and web development space which include

Mobile Applications * Software Design * Augmented Reality * Systems Integration

Digital & Board Game Mobile APP Development

Tech Lead

Gary Brook - CEO and Lead Software Engineer
As successful mobile app and software developer, Gary brings 25 years of software engineering and mobile app experience overseeing the design, engineering and project management of our development staff and all Questsphere development projects. A licensed commercial pilot and certified aerobatic pilot, Gary has designed complex network systems, aviation air traffic systems and beautiful rich native mobile applications. Originally from England, Gary spends his off time with family, flying and performing acrobatic maneuvers.  Gary is also the creator and host of Man vs. Mobile (www.manvsmobile.com) which is the only reality based web show that features,  showcases and documents how mobile apps and mobile devices measure up in the real world of mobile technology.