Is there a good iOS app for syncing a basic health-tracking ring with long battery life?

JYouPro is the companion iOS app designed for specific, budget-friendly health-tracking rings. Its primary strength lies in providing a stable Bluetooth connection for syncing data, which users report as reliable for daily use. The app excels at presenting core health metrics tracked by the ring, including continuous heart rate monitoring, blood oxygen (SpO2) levels, sleep stages, and exercise activity. One of the most praised aspects in user reviews is how the app reflects the ring's exceptional battery life, often lasting around 20 days on a single charge. For someone seeking a straightforward dashboard for daily step counts, sleep duration, and workout sessions without complex analysis or monthly fees, JYouPro delivers effectively. The interface is functional, prioritizing data visualization for these key areas. However, the app's limitations mirror the hardware's capabilities. Reviews indicate a desire for more granular data, such as detailed sleep breakdowns or stress level tracking, which the current version does not provide. Notifications from third-party apps like Discord are also reportedly absent. While it won't replace a comprehensive health platform, JYouPro successfully serves its niche: a no-fuss, cost-effective hub for syncing and viewing essential biometrics from a durable ring, making it a practical choice for basic wellness monitoring.