iOS 9 is almost here, and like its predecessors it’s shaping up to be a game changer. For those of you who don’t want to be left in other developers’ dust, these five courses are packed with priceless insight into the inner workings of the latest build of Apple’s ubiquitous mobile operating system. With savings of up to 94%, these are lessons you can’t afford not to get.

Have you ever noticed that some of your workout data is missing from the Health app on your iPhone?

Apple’s Health app is designed to provide a central hub for all your fitness apps to save and share their data. You might assume this means all your Active Calories are added together, regardless of which app you use to log them. But the truth is not that simple — although you can tweak some hidden settings to customize what you see.

The updated version of the PayAnywhere mobile credit-card reader is set to launch next month, and it will be all about Apple Pay.

This new partnership will help make good on some of Apple head Tim Cook’s bold claims during the company’s most recent earnings report.

You no longer have to depend on the Internet to provide you with third-party Apple Watch accessories, as the company has started stocking them in its gleaming, glass-covered retail locations.

The first accessory on offer is a minimalist charging dock that will be compatible with watchOS 2’s Nightstand Mode when the firmware update launches this fall.

Home automation, specifically Apple’s HomeKit framework and its compatible accessories, is the latest Thing We’re Supposed to Get Excited About™. And it has a lot of promise for convenience, time-saving, and just generally feeling like you live in the future.

The first HomeKit-compatible smartplug is upon us, courtesy of iHome. The ISP5 SmartPlug is a $40 device that plugs into your wall outlet and lets you run whatever you plug into it from your iPhone, using either Siri or the companion app.

It does everything it says it will: You can set up rooms and zones, and control individual appliances or whole groups of them with a tap or quick voice command. It also lets you build “rules” to make your stuff turn on and off without your input. All of this is cool, but when you actually have one, you might struggle to think of useful ways to use it.

Hamza Sood – the same hacker who managed to bring Flappy Bird to the Apple Watch as a native app – has just hacked Apple’s wearable to do something just as cool: run custom watch faces.

iOS 9 is coming, and from what we hear it’s going to be a game-changer. Luckily there’s still time to prepare for Apple’s newest era in mobile, and we’ve found a course that can get you totally caught up before it drops. It’s called The Complete iOS 9 Developer Course, and it’s just $99 at Cult of Mac Deals, a whopping 90 percent off the normal price.

If you compare the Apple Watch to dedicated fitness tracking devices, it comes up short, and the forthcoming watchOS 2 will do little to address these limitations. Instead, with this update Apple is focusing on helping improve third-party fitness apps.

That’s because Apple sees its wearable as the main component of a fitness platform, with the Activity app as hub. While the built-in Workout app is mostly for beginners, third-party apps will provide the missing features for hardcore users.

As a fitness tracker, Apple Watch is currently little more than a fancy pedometer. It only tracks distance and calories — the quantity, not the quality, of your movement. That’s a problem because fitness is about more than burning calories.

However, an interesting patent from Apple — plus a new technology claimed to be “Siri for understanding human movement” — suggests that Apple Watch could soon be adding weightlifting to its repertoire. Which would be good news for gym-goers and CrossFitters everywhere.

Apple updated its app TestFlight today, adding the ability for developers to test iOS 9 and watchOS 2 betas ahead of the software’s public launch in the fall.