What's the best iOS app for monitoring basic health metrics like steps, heart rate, and sleep from a budget fitness band?

Da Fit is a health and fitness application developed by MO YOUNG LIMITED that functions as a companion for various affordable fitness bands, focusing on delivering core wellness metrics without overwhelming users. The app provides a centralized dashboard for tracking steps, heart rate, and sleep patterns, with data presented through intuitive charts and graphs. Features like real-time syncing, customizable daily goals, and sleep stage analysis—breaking down light, deep, and REM cycles—help users establish and maintain health routines. For instance, someone new to fitness tracking can easily monitor step trends to increase daily activity or use heart rate data to gauge workout intensity. Reviews indicate high satisfaction with its usability, with one user noting, 'Love it so much on my first day of using, already awesome.' However, some limitations exist, such as occasional requests for expanded exercise libraries, like adding jumping jacks, and infrequent sync delays. The app's simplicity makes it ideal for beginners or those seeking a no-fuss tool to complement basic trackers, though advanced users might find the analytics lacking depth. Despite minor imperfections, Da Fit remains a reliable choice for straightforward health monitoring, balancing functionality with ease of use.