6 best smartwatches for iPhone: Smartwatches were once the new technological marvel, offering most of the smartphone capabilities on your wrist. However, these devices have now become a staple, with a smartwatch from every brand and for every budget available in the market. The best smartwatches are equipped with a vast range of health monitoring features that can potentially save your life one day. Thus, smartwatches have now become a daily essential that you shouldn't leave your home without. If you're an iPhone user, then the best smartwatches for the iPhone are usually the Apple Watches. These smartwatches by Apple are the best companion for your iPhone, offering seamless connectivity across apps. The Apple Watch carries a vast range of health and fitness features such as Crash Detection, Fall Detection, heart rate monitoring, blood oxygen monitoring, and ECG. These features have the potential to notify users of potential health concerns, and in some instances, have prompted individuals to seek emergency medical assistance, ultimately saving their lives.