Power users are individuals or organizations that make extensive use of the software, often reaching beyond its basic intended usage.
Why power users are important?
They tend to be the most knowledgeable and experienced users of the app. As such, their opinions tend to carry much more weight than those of average users and they can be some of the most powerful advocates for an app or product. This means that power users can be a great source of feedback and can help ensure that an app is keeping up with the latest trends and meeting user needs. Not only this, but due to their expertise, power users are often more likely to stick with a product long-term than average users.