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!
Garmin Forerunner 935 - A smartwatch for runners ⌚🏃
Strava - The #1 app for runners and cyclists
TomTom Spark 3 - The Spark 3 is a good fitness tracker for triathletes. It also features a unique and very simple-to-use tracking system. If you're prepared to pay extra, you can get a model with a heart rate monitor and music playback.
Lose it! - Snap a photo of your food to get nutritional facts
Apple Watch Series 3 - Apple's newest internet-connected smartwatch
Workouts by Muscle Booster - Workouts by Muscle Booster is an app that provides you the home as well as gym workout plans.