Losing weight is far from easy, and getting to your perfect size can be a long, stressful journey, and you need a lot of motivation in order to succeed.

Luckily, you don't have to get too stressed about finding the right weight loss route. There are a ton of great fitness, exercise and healthy eating apps available for the iPhone and iPad. From calorie counters to exercise planners, there's an app suitable for everyone and every method.

We've rounded up the best weight loss and diet apps here, but if you're focusing specifically on exercise you might also want to check out our pick of the best fitness apps. If you're a smartwatch user, we've also got a guide to losing weight with the Apple Watch.

Couch to 5K

Couch to 5K

Price: £0.99
Download: App Store

Couch to 5K does exactly what it say on the tin. This iOS app wants you stop lazing about and start doing some exercise. It provides you with a running program that'll not only help you lose weight, but also help you become a skilled runner.

The program will have you running for between 20 and 30 minutes a day, three times a week, for just over two months. Once you've completed all the exercises, you should be ready to run your first 5K race. That may sound optimistic, but the app is all about pushing you.

As for features, you can select a training plan developed by professional trainers at Active.com, choose from four different motivational coaches, listen to customised playlists within the app, calculate your pace and distance, log all your exercises and join an online community to socialise with other runners.

MyFitnessPal

MyFitnessPal

Price: Free
Download: App Store

It's easy to pile on the pounds by making bad food choices, but if you pay closer attention to everything you put into your body, you can start to develop a healthy lifestyle. Calorie counters can be a good way to do this.

MyFitnessPal is one of the most advanced calorie-counting apps. The app sports a database of more than five million food items, and this is constantly growing. With the app, you can track calories, fat, protein, carbs, sugar, fibre and cholesterol.

You shouldn't end up taking more than five minutes to track your diet or exercise, and you can add multiple foods and whole meals at once. There are also handy integrations with third-party devices and apps such as Apple Health, Fitbit, Jawbone UP, Garmin, MapMyFitness, Runkeeper, Strava, Runtastic, Misfit and Withings.

Daily Cardio Workout

Daily Cardio Workout

Price: Free
Download: App Store

Joining a gym or hiring a personal trainer are great for losing weight and maintaining a healthy lifestyle, but these methods can be expensive and time-consuming. There are some great apps that'll help you exercise for free, and Daily Cardio Workout is one of them.

As the name suggests, the app will challenge you with a cardio exercise every day. The exercises last for between five and ten minutes, and they've been designed by a certified personal trainer. There's a video showing you how to do the exercise, along with onscreen instructions and a timer.

It's suitable for both men and women, and the app doesn't need an internet connection, meaning you can use it wherever and whenever you want. You get integration with Apple Health too, which allows you to see how many calories you've burnt.

SworKit

SworKit

Price: Free
Download: App Store

If you're looking for a free, all-round workout app, then it's worth having a look at Sworkit. You get access to personalised video workouts covering areas such as cardio, yoga, stretching and strength. There are also some guided options.

The beauty of these exercises is that they're customisable. Not only can you set a time between five and 60 minutes, but you can also target any area of your body. These workouts are perfect for losing weight and keeping your body toned. The app is used by more than 20 million people around the world, so it's clearly a popular choice.

Pepper Plate

Pepper Plate

Price: Free
Download: App Store

No matter how much and how hard you exercise, you'll struggle to lose weight unless you change your eating habits too. The fact is, exercise and healthy eating go hand in hand. There's nothing better than cooking your own homemade meals, and you'll love Pepper Plate if you agree.

The app gives you a way to co-ordinate meals throughout the week. Using it, you can create your own recipes, manage them from one place, generate menus for yourself and others, and shop smartly. What's great is that the app works across the web, iPhone and iPad, so you can always access your food plans.

While there's a big emphasis on creating your own recipes and food plans with the app, you also have the ability to import recipes from existing websites and cookbooks. It's perfect for individual and group meals, and it's completely free to download.

Map My Fitness

Map My Fitness

Price: Free
Download: App Store

Exercising is all about pushing yourself to the limits, and you'll soon burn off those pounds. If you believe that you can always improve your performance, then Map My Fitness could be for you. For every exercise you do, the app analyses how you've performed and provides you with feedback on how you can perform better.

The feedback is presented in the form of audio, and you can choose from more than 600 different sports. As well as this, the app provides detailed insights and statistics on all aspects of your workout, such as pace, distance, duration, elevation and the number of calories you've burnt.

My Diet Coach

My Diet Coach

Price: Free
Download: App Store

Diets are extremely challenging, and it can be hard to stick to them. There are just so many temptations. My Diet Coach is an app that aims to motivate you to lose weight and stick to your diet plans. For instance, it can send you motivational pictures, reminders of your weight loss goal and weight charts.

The app also gives you diet tips and quotes from experts, and it can be integrated with Apple Health for weight, calorie and nutrient-related data. It can also work with the Apple Watch, allowing you to add information about food, your diet plan and calories burnt to the app quickly.