When applied to mobile apps, the definition of great is a constantly moving target because both what technologies can do and what consumers expect of experiences are evolving quickly. If you rely on traditional business strategy consulting methods like cohort analysis to evolve your app and you’ll face a lack of detail; overemphasize design methods like prototyping and observational research and your app may fail to serve the future of the business. The right direction comes from a combination of the two. Use this guide to put your customers at the center of your next mobile app update.