iOS: If you're like me, you've experienced the sting of an unwanted subscription draining money from your checking account, long after you forgot to cancel a free trial. If you'd like to finally get a handle on all your subscriptions without poring over your bank statements, take a look at Bobby. It's an iOS app that lets you track multiple subscriptions to see how much money you're shelling out each month. The only thing it requires is a little leg work to start (and a $US1.99 ($3) in-app purchase for certain options).

If you get breaking-news notifications on your phone, you'll often find you disagree with what Apple about what constitutes news. Instead, you can turn use news aggregation app Nuzzel, which can notify you when a certain number of your Twitter friends link to the same URL, no matter the source.

Sometimes, great ideas come from the simplest places. Snap, Send, Solve was one of the first apps developed by Danny Gorog and his partners when they started their app development business, Outware Mobile. The genesis was the confluence of a Victorian government competition calling on developers to find innovative uses for publicly available data and a chance trip to a playground. From that, Gorog has gone on to build Snap Send Solve into a platform that is being exported to other countries.

Life is filled with deep, complicated questions and you don't learn any of the answers during your scholastic education. Enter the School of Life app on iOS, where you can watch insightful videos, have intelligent conversations, and hopefully find some answers.

When it comes to last-minute travel, Hotel Tonight can be a lifesaver. The app allows you to get same-day hotel rooms at a fraction of the cost you might pay had you booked the room earlier. This week it added another feature: the option to upgrade that last-minute booking to a suite.

Android: If your phone's storage is running low, you might want to start deleting some low-quality photos from your phone or backing it up with an app like Google Photos. Luckily the photo app EyeEm announced an update on Wednesday that uses artificial intelligence to pick out your best photos.

iPhone: The only thing better than using social media is not using social media. That's why there's Binky, which is sort of both.

You've got data pouring in from your connected fitness tracker, your smartphone, your smartwatch, the smart scales in your bathroom and the dieting app you use to log your meals -- so how do you get all of this information in one place? It isn't easy, but here are a few pointers to help.

iPhone: Annotable is one of the best image annotation tools around, especially after Evernote abandoned Skitch a couple of years ago. Now, it's been updated with a slew of new features, making it much more versatile.

You've spotted an app, site, or service you like the look of, it's completely free to use, and so you're ready to sign up -- but how can you tell the service is above-board and legit? That you're not going to be subject to nefarious dark pattern tactics or see you or your teens sensitive data shared with advertisers. Before joining a service that seems to good to be true take the steps below. Common sense and a little digging can usually save you from the shadiest apps.

Podcasts have become one of the best forms of entertainment around, but it's tough keeping track of the ones you like, ditching episodes you're not interested in, or even managing what you want to hear. Pocket Casts is one of the best apps for helping you organise your podcasts, but you'll need to experiment with it a bit to get it to work for you.

iOS/Chrome: If you like to collect together different links, whether that's for organising a vacation or just random cool stuff, Shout makes it easy to do so, then turn that collection into a list of stuff other people can see.

Equations may as well be a different language, considering how cryptic they can look to the untrained eye. Fortunately, just like the various apps that can use your camera to live-translate, say, Spanish or German, so too does a handy mobile tool exist for mathematics.

iPhone: Microsoft updated its Outlook iPhone app today, which happens to be one of the best email apps on iPhone, with a new feature that links the app to a number of third-party add-ins.

Our mobile devices are always by our side and often get blamed for adding stress to our everyday living, but with the right apps in tow, our phones can actually help us rediscover some inner-peace and tranquility. With that in mind, here are some of our favourite calming apps for iOS and Android.

If you're a developer who want to start creating cross-platform mobile apps using Xamarin tools in Visual Studio, Microsoft has released a series of detailed videos that guide you through the process.

Android/iOS: Most calendar apps can manage your schedule just fine, but if you deal with multiple time zones, it's easy to get mixed up. Time Buddy helps you plot your day-to-day when you have to traverse the world.

iOS/Android: If you're looking to improve your nutrition but don't know where to start, popular food tracking app Lose It! now lets you snap a food photo or upload an existing one to your day's food log. Called Snap It!, the feature makes tracking food more approachable for newbies.

I can't stand writing on my phone. The keyboard is slow and mistakes are too easy. SwiftKey's new "neural network" keyboard, however, has seriously impressed me. Now, predictions are useful enough that they significantly reduce the amount of time I spend typing on my phone.