Because everyone is using different devices, it is hard to tell if your device is up to date enough or if it has the correct software to run the health apps. Below are links to update your Apple and Android devices.
For apple products you can access the support page to update your iso, or click the link here: https://support.apple.com/en-us/HT204204
For those using an Android device, you can click here: https://www.t-mobile.com/resources/how-to-update-android-phone
References
Apple INC (2018) Apple Support. Retrieved from https://support.apple.com/en-us/HT204204
T-MOBILE USA, INC (2018). How To Update Android Phone. Retrieved from https://www.t-mobile.com/resources/how-to-update-android-phone
Health Care for a 5th Grader 