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
MyFitnessPal - Track the number of calories that you consume each day with MyFitnessPal. The app also lets you create a diet and track the exercise that you complete each day whether it's walking, running or some other type of program.
Lose it! - Snap a photo of your food to get nutritional facts
Cron-O-Meter - A big trend in today’s world is health and fitness, particularly in recording nutritional information. There are several options available to achieve this result.
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.
LifeSum - Set a weight goal and we'll tell you how to reach it!