Narrative and storytelling
Humans love great stories. Games are successful because of these stories, and, more specifically, because of the role the player has in how these stories unfold. The interaction between the player and the game world makes a story told via a game much more powerful than other mediums such as movies or books. Your product has the advantage of having that same opportunity. Many of the mechanics here would be perfect for an application such as Hi-Z Fitness. This app would rely on motivating the user by telling their story of progress. Giving the user updates on how their day, week, month, or year is progressing can act as motivation and potential continued use.
Let your users make the product their own and tell their own story using your platform. This can create a strong sense of loyalty, increase engagement, and make your product one that users do not want to leave. Storytelling may not seem like something most software does, but you would be surprised what...