Apps can be a great help when it comes to losing weight. The can keep track of what you're consuming, can be updated any time and let you have your fitness goals always at the touch of a button.

However, the world of health apps can appear confusing and overwhelming, with each new offering claiming to offer the quickest path to losing weight.

The NHS App Library is the health service's way of helping the public navigate this crowded landscape. The beta version, available now, puts endorsed apps into the library to help patients determine which technology can best assist them with their health.

[Read more: What NHS technology could look like in 2028]

Sugar Smart​

Sugar Smart is a quick and visual way to see how much sugar there is in everyday food items. Once you've download the app, simply scan the barcode of one of more than 100,000 products, and how many cubes' worth of sugar that product contains is flashed up on the screen.  

It allows you to identify food and drink that are sneakily sugary and eliminate them from your diet.

Sugar Smart

Price: Free
Operating system: iOS, Android

[Read more: Wearable sensor to replace blood sugar needle tests]

​Be Food Smart

If you want to find out the saturated fat and salt, as well as the sugar content, in your food, then download Be Food Smart. More than 110,000 products are able to be scanned with the app, and it helps you make healthier choices by using a simple traffic light system to let show you how healthy your food is.

Be Food Smart

Price: Free
Operating system: iOS, Android

Easy Meals

It can be a headache trying to plan recipes that are both tasty and also easy on the calories. Easy Meals offers 150 calorie-counted recipes covering breakfast, lunch, evening meals and puddings to last the whole week and there’s enough choice for fussy eaters too.

Easy Meals

Price: Free
Operating system: iOS, Android

[Read more: The best meal planning, cooking and recipe apps]

Smart Recipes

To keep on a budget, and also to be inspired to cook healthy meals, download Smart Recipes. There are more than 160 recipes on the app, and most of them will feed a family of four for about £5.

Alongside recipes there are also cooking tips, a seasonal cooking calendar and healthy eating advice to help chefs who may be a bit less experienced in the kitchen.

Smart Recipes

Price: Free
Operating system: iOS, Android

Drinks Tracker

With party season on the horizon, it’s easy to find yourself having a few more drinks than usual. With Drinks Tracker, you can monitor how many beers, wines of spirits you’re having during the course of a week, and if you think you’re having too much there is advice on how to cut down.

The app also lets you know how much you’re spending on booze per week. Whenever you have a glass of wine or two, you can input the type of alcohol and the price into the app which then calculates your alcohol spend across the week.

Drinks Tracker

Price: Free
Operating system: iOS, Android

[Read more: Free apps to help you get fit using your mobile phone]

BMI Calculator

Sometimes it’s easier to get fitter when you have a target in mind, and that target is what the BMI calculator allows you to generate. By calculating your body mass index, it can indicate if you’re underweight, healthy or overweight, and will help produce weight-loss goals.

The app also has weight management information and advice, videos and podcasts to support you in your fitness goals.

BMI Calculator

Price: Free
Operating system: iOS

[Read more: Scientists create artificial skin that could help robots sense touch like humans]