Fitbit has everything I need, the steps, the Heart Rate, it has all of my exercising modes, and it has a fair price. It has a rather simplistic User interface, which I really like to be honest. Highly recommened!
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
Strava - The #1 app for runners and cyclists
Bitbonkers - Realtime Bitcoin transaction visualizer
Lose it! - Snap a photo of your food to get nutritional facts
Toshi - A browser for the Ethereum network
SmartHealth - SmartHealth is a health and fitness app that effectively monitors and records your sleep patterns and various health-related parameters such as heart rate, blood pressure, etc.