The secret to fitness and nutrition is to strike a perfect balance between diet and exercise; both aspects go hand-in-hand. So, while it is important to exercise regularly, it is also important to be aware of what you are eating and how many calories it contains. Adhering to a workout routine is easier than keeping tabs on your calorie intake. However, with the presence of several apps that can not only help you lose weight, but also act as your nutrition diary, leading a healthy life is easier.

• Fooducate
  This fitness and nutrition app helps you keep a tab on your diet and exercise routine. The is replete with features such as calorie counter and exercise tracker. What makes Fooducate stand apart from other fitness apps is, it not only keeps a tab on calories, but also analyses the values of calories from different food sources such as calories from fats and calories from proteins. Both, free and paid versions are available for download on Apple as well as Android phones.
• Lose it!
  Another popular application, Lose it! does pretty much everything you require from a fitness app. The app comes with a food database and dietary plans to suit your daily nutrition needs. It also has hardware support, which lets you connect fitness devices such as Fitbit and Jawbone. This gives the app additional statistics to analyze your fitness goals. The app also connects to MyFitnessPal, RunKeeper, and other apps to collect more data. Lose it! is available for both Apple and Android phones.
• Lifesum
  Lifesum app is a fitness-on-demand app that allows you to count the calories of packaged foods using its barcode scanning feature. It also has progress tracking, macro (nutrients) tracking, and one-off recipes for a healthy living. Lifesum also has several diets such as Keto diet, low-carb diet, and 5:2 diets that can help you reach your fitness goals. The best part of this app is it does not have a fixed subscription period. You can cancel your subscription anytime without any cancelation costs. The app is available for free with an in-app payment subscription on both Apple and Android phones.
• MyFitnessPal
  This is one of the most popular fitness and nutrition apps available on both the App Store and Google Play. With over 10 million downloads, MyFItnessPal app comes with features such as a database of over five million foods, calorie counter, cross-platform connection, and recipe calculator to count the number of calories in home-cooked meals. Apart from this, it also has 350 different types of exercises to facilitate both cardio and strength training. The app is available on both the App Store and Google Play.