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!
Strava - The #1 app for runners and cyclists
Baby Buddy - A self-hosted personal dashboard for baby care!
Lose it! - Snap a photo of your food to get nutritional facts
ŌURA Ring - Advanced sleep and fitness tracker
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.
Thistle - Healthy meal plans with food deliveries.