Extensions are a new feature of iOS 8 that has a lot of people excited. And rightly so. iPhone and iPad apps are finally able to talk to each other. That means features of one app are able to be used in another. For example, Apple’s photos app can uses filters from Camera+ or other extension-enable apps. In the video below, we explain how all this works. After watching, scroll down to see our top picks for the best iPhone app extensions. This article is part of our Best iPhone Apps series where we categorize the best apps for iPhone and iPad. Click here to find out more.

Safari Extensions

To enable extensions from within the Safari browser, please follow the steps outlined below.

Safari’s share button now reveals two rows of icons. The upper one shows the Sharing options whereas the lower displays Action icons.

Photo Extensions

Once downloaded from the App Store, these extensions can be enabled in the default Photos app with the edit button as shown below.

Extensions can be enabled in the default Photos app with the edit button.

And now here is our list of the best extensions for Safari and the Photos app. They can be downloaded from the App Store and enabled under the share button in the Safari browser.

Diptic – Create fun photo collages directly on your iPhone

If your not working with videos, Diptic is my favorite way to make photo collages. The interface is dead simple. Just choose your layout and then tap each area to add a photo from your library. Play around with Diptic as it totally lets you change most everything about the ...
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Pocket – The best way to save interesting articles for offline reading

Are you going on vacation, riding the subway, or planning to be in another place where you don't have internet? It would be nice to still be able to read articles from the web, right? Well, Pocket is a cool way to save internet articles for reading later. Instead of ...
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iMovie – Powerful video editing right from within the iPhone Photos app

iMovie has been around for a long time on the Mac and is now available on both the iPhone and iPad. The funny thing is that these mobile versions of iMovie are easier to use and deliver the same stellar results as the Mac counterpart. Rather than going into a ...
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Pinterest for iPhone and iPad – Share the cool stuff you find on the internet

Pinterest is a neat way to share things you find on the web. See a product you want to recommend? Pin it using your Pinterest account. Then your friends will be able to see it. Pinterest is also a good way to share news and articles from websites. Now the ...
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Camera+ – A fantastic photo filter app for iPhone

Camera+ is a cool app that's been around for a while. It originally gained attention due to it's fantastic design element and allowing users to snap a photo using the iPhone's volume up button (now a native iOS feature). I especially love the Clarity filter which will, with one tap, ...
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Clips – An amazing clipboard manager app for iPhone and iPad

Clips is a superb clipboard manager for iPhone and iPad. Have you ever wished you had access to more than your last copied item? Clips saves your copy history in a neatly designed app. Clips also has a great widget that can be viewed from your Today Screen in Notification ...
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Mail to Self – The quickest way to email yourself webpages on iPhone and iPad

Have you ever wanted to save a webpage for viewing later, but didn't want to go through the steps of creating a bookmark? Mail to Self looks to solve that problem by presenting an simple button in Safari and other apps. While you're on the page you're interested in, tap ...
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Skitch – The best way to annotate your photos on iPhone and iPad

This is a neat iPhone and iPad app for marking up photos or screenshots for friends. Skitch lets users annotate images with arrows, shapes, and text in a super simple interface. It's a great choice for sending someone instructions on how to carry out a basic iOS task or point ...
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Evernote – Save any webpage to your online PDF collection

Evernote is a great service for taking notes that will be available from all your devices. It's also handy for saving online documents for offline use. Now with the Evernote extension, you can save any webpage as a PDF to your Evernote account. Just find the page you want, tap ...
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Workflow – Make your iPhone your automated personal assistant

Automation is the ability to carry out a complex series of steps with one simple press of a button. This is the entire point of computers, and now even our mobile devices. In fact, we expect them to work this way; automatically executing processes while we sit back and enjoy our ...
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PDF Converter for iPhone and iPad – Make a PDF from any document or webpage

According to Apple, we are living in the post-PC era. Unfortunately, mobile devices, as convenient as they are, can't perform every function as easily as their desktop counterparts. But thanks to developers like Readdle, the iPad is becoming a productivity powerhouse. If you use your iPad for any sort of ...
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1Password – The best password management app on iPhone and iPad

Do you have trouble remembering all of the passwords you use across the Internet? Some people try to solve this problem by using the same username and password for multiple sites. The problem with that is if a hacker gains access to one of your accounts, they'll try those same ...
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