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We’ve all been there.

You’re sitting on the train at the end of a long day and realise your phone is about to die. Your portable charger has been recklessly abandoned at the office and you’ll now have to sit there in infinite boredom for an agonising half hour. It’s an awful prospect to consider; perhaps even a full-blown Greek tragedy for some.

But it doesn’t have to be that way. Hyperbole aside, there is a way to preserve the life of your phone and avoid such a disasterous situation.

As it turns out, the apps you have running in the background of your phone are the culprits here. Here’s how to figure out which ones are drinking up all that precious battery life, and how to turn the suckers off. It’s super easy and might even change your life:

1. Go to Settings.

2. Go to General Settings.

3. Select Usage

4. Check 'Battery Usage Percentages'

Scroll down again, until you reach your battery usage settings. Here lies all the information you need to guard your battery life. You'll now be able to see which pesky little app is draining all your battery life. It seems that Instagram, Safari and Facebook are the main offenders here.

5. Shut. It. Down.

This might just mean closing Instagram while it's not in use. No biggie!

So there you have it. Now go forth into the world and revel in your iPhone's everlasting battery life.

Apps busy people will love.

Hot5 Fitness

This app has step-by-step workouts which are led by experts in the industry. You can choose specific workouts, from yoga to ab workouts, and they vary in difficulty.There are fiveto 45 minute workouts to choose from, and it is really user friendly.

Period tracker

You press a button at the start of your period every month and then Period Tracker logs your dates and calculates the average of your past three months' menstrual cycles to predict the start date of your next period. Busy people don't have time for surprises, so this app comes in handy.

Podcasts

Podcasts are great because they allow you to be entertained/learn/engage when you are on the the move. One that The Glow team recommend is the Mamamia Outloud Podcast. Guaranteed laughs. (No, we're not biased...)

Pocketbook

Pocketbook makes budgeting really easy. You can synchronise the app with your bank so you don't need to manually enter numbers, making it really easy to track your expenses. It can send you alerts when your bills are late or when bank fees are charged. And a summary to keep your savings on track. You can see where your money is going and manage it.

Pocket

Pocket helps me to keep all the articles I come across and want to read. You can save everything from articles to recipes and videos, and it keep them all in once place. The device can connect to multiple devices, so you can use it on your phone and computer, and it also works offline.

Woolworths

You can do your shopping while on public transport with this clever app. You just choose what you need and they will deliver it to your door. It will also organise your shopping lists into the order they are in theaisle order for your local store, it has recipes and get tips about what to fresh produce to buy at what time of the year.

Evernote

Evernote is another incredible organisational app. It helps you write notes, checklists and do research, and can also save articles documents and photos form the web. You can also attach files and share them with others. You can turn business cards into contacts and also plan travel on the app.

Which apps do you use most often?