If you just got an iPhone 13, you may be wondering whether there are apps you should download in order to get the most out of your new device. With every new iPhone, Apple builds new features and capabilities, and developers are able to take advantage of those to build cool apps that made your device even better. 

With that in mind, I've put together a list of a few of my favorite apps for iOS 15 on the iPhone:

1. Halide Mark II

The headline feature of the new iPhones is definitely the new camera system. The iPhone 13 Pro and Pro Max have three all-new cameras and they are a big deal -- literally. Of course, apps that are able to take advantage of the work Apple put into the cameras will be right at home on your new iPhone.

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Halide has been my go-to camera app for a while now. It gives you far more control over the images you take. It also has a native raw shooting mode, called "Instant Raw," which combines RAW file formats with computational photography to give you a finished image that retains control over editing. 

Halide is $11.99 per year.

2. Spark

I've probably spent more time than I should, looking for the best email app. Considering that it's where most of us spend the majority of our time communicating, it's a big deal. Your email app has to be functional and easy to use.

That's why I regularly recommend Spark as the best email app for your iPhone. It has great support for third-party app integrations, as well as a seamless ability to collaborate and share emails with your team. It also has a well-designed calendar feature, making it a versatile tool to help you communicate better and stay organized.

Spark is free to use, or $7.99 a month for the Premium version. 

3. 1Password 

Managing passwords is not fun. Making things worse, most of us are really bad at it. That's why we choose easy-to-remember passwords and then use them for every account and website. That's a problem because it means that once your information is compromised, bad guys have access to everything. 1Password solves that by making it easy to create secure passwords, while only having to remember one password. 

Even better is that one of the  new features of iOS 15 is that Safari is getting native extensions on the iPhone. That means that 1Password works on Safari on your iPhone just like it does on the Mac. 

1Password is $2.99 a month, or $4.99 for up to five users in a family. Business pricing starts at $19.99 a month for up to 10 users.

4. Fantastical

Apple's Calendar app on the iPhone is fine, but definitely not great. Fantastical, on the other hand, is what Apple should have made. When you create calendar entries, Fantastical is contextually aware of things like date, time, location, and even people you're meeting with, and automatically adds them to the event. That makes it much easier to add things to your calendar without having to tap through menus and options. It also has handy features like one-tap links for Zoom and Microsoft Teams calls, making it easy to join your video meetings. 

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Fantastical is $4.99 a month, and includes Cardhop, a powerful and easy-to-use contact manager. 

5. Things 3

To be fair, Things isn't an app that requires an iPhone 13. Still, if you need a beautifully designed app to help you stay organized, this is that. Things 3 is a to-do-list app that gets out of the way and makes it easy to capture tasks, schedule them, and stay on top of everything you need to do. As a result, it makes almost every list of the top iPhone apps because it's just that useful. Even better, it doesn't get clogged with features that don't actually help you get things done. 

Things 3 is $9.99 for the iPhone. 

6. Carrot Weather

Carrot Weather is a weather app, but with personality. And, it has a lot of personality. Beyond the fact that you can decide how friendly (or not) you want your forecast to be, Carrot Weather is just a really great app. It's well-designed and makes it very easy to see how the weather is going to change throughout the day. 

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It also has a great widget that adjusts its content based on upcoming weather and time of day. To be fair, the stock iOS weather app got a great update this year, but Carrot Weather is still the best, in my opinion. 

Carrot Weather is a free download, with premium features starting at $0.99 a month.

7. iMovie

I don't usually pick Apple's native apps, but I'm making an exception this year. That's because if you want to take advantage of the new Cinematic Mode on the iPhone 13, you're going to need something to edit that fancy footage. All of Apple's video editing apps will support it, which means your best option is iMovie if you want to play around with it on your device.