If you've got yourself an iPad 4 or iPad mini, you'll want to start downloading the best iPad apps straight away. And if you already have an iPad 3 or older iPad, you might want to update it with some new apps.

It's the apps that really set iOS apart from other platforms - there are far more apps available on the App Store for the iPad than any other tablet. So which which ones are worth your cash? And which are the best free apps?

Luckily for you we've tested thousands of the best iPad apps so that you don't have to.

So read on for our best-in-class apps for each major category, followed by some more specific lists of the best free and paid for apps and games.

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Best iPad apps: Books

Top 100 best iPad apps 2012App name: Kindle
Developer: Amazon
Price: Free
Link: Get from iTunes

The best library of literature to choose from, cross platform support via Whispersync, a great choice of fonts and ways to read… Kindle is the most comprehensive reading app out there, and an essential download.

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Top 100 best iPad apps 2012

App name: iBooks
Developer: Apple
Price: Free
Link: Get from iTunes

iBooks doesn't have quite the same selection of books as Amazon's Kindle service, but it's made with the typical level of Apple polish, and is a pleasure to use. It's also compatible with your own PDF and ePub files, so your reading material doesn't have to come from Apple.

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Top 100 best iPad apps 2012

App name: Me Books
Developer: Me Books
Price: Free
Link: Get from iTunes

Me Books is a brilliant app that enables you to take old picture books and make them new again with interactive features. Listen to famous voices read out Ladybird books, Peppa Pig stories and other favourites, or record your own voiceovers and sound effects, and choose where to tap to activate them - it's all completely customisable.

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Top 100 best iPad apps 2012

App name: Book Creator for iPad
Developer: Red Jumper Studio
Price: $5.49
Link: Get from iTunes

Unsurprisingly, Book Creator for iPad enables you to lay out and publish books directly from your iPad. It's no professional tool, but that's part of its strength - anyone can quickly add in text, videos, pictures and audio to produce interactive ePub books. They'll work in iBooks and other software, and the quality is excellent.

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Top 100 best iPad apps 2012

App name: Little Fox Music Box
Developer: Shape Minds and Moving Images
Price: $0.99
Link: Get from iTunes

This meticulously crafted musical storybook has loads for kids to get into. There's plenty of animation and hidden actions in Little Fox Music Box to uncover in scenes based on various classic songs. The designs are by an Oscar-nominated artist, and there's a karaoke mode, if you're feeling brave.

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Best iPad apps: Business

Top 100 best iPad apps 2012

App name: OmniPlan
Developer: The Omni Group
Price: $51.99
Link: Get from iTunes

OmniPlan is a project planning app, and it means business (no pun intended). It's a lot more expensive than your average app, but being able to get all the parts of your project recorded and planned in a way that's easy to refer to could help you hugely later on. It's packed with features, and you can collaborate with others using it.

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Top 100 best iPad apps 2012

App name: OfficeTime
Developer: OfficeTime Software
Price: $8.49
Link: Get from iTunes

You might need to keep track of how much time you're spending working for billing reasons, or just because you want to see what tasks are taking up the most time. Either way, OfficeTime is a really simple way to keep on top of things. It syncs with the iPhone version, so you don't need to have your iPad with you, and even sends the information to a Mac or PC.

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Top 100 best iPad apps 2012

App name: LogMeIn
Developer: LogMeIn Inc
Price: Free
Link: Get from iTunes

Though you can use various file-syncing and transfer services to view your computer's files on your iPad, sometimes you just need remote access to your PC or Mac. LogMeIn gives you control of your computer from anywhere for free, though you can pay a subscription to enable more powerful features, including easy file transfers from your computer.