This research is a usability study of reminder apps that are available on smartphones and tablets. Reminder apps are used by people to remember their future tasks and also manage their schedules. Interviews, co-inquiry, observation and diary methods were used with several students to understand user experiences. An initial set of guidelines were formulated covering interaction and graphic design. Awareness is raised about gender differences and religious preferences. The study also offers researchers and practitioners the comparative advantages of the different methods that can be used to get user experiences and preferences.