If you're one of the lucky few to have been gifted a new iOS device this Christmas, then you'd want to take a dekko at some of the hottest applications Apple's App Store has on offer. However, with the App Store boasting nearly 750,000 apps, choosing from the list can be a bit daunting to say the least.

To make things easier for you, we have the top three must-have free apps that are available for your iPad or iPhone, apps that will help you make the most of your iDevices.

1. Evernote

This app for iOS is a class apart and helps users remember everything across all devices that they use. Users can take notes, create to-do lists, create voice reminders etc. via the Evernote app. The app helps users stay organized and makes a note of all the activities, making them searchable irrespective of whether you're at work or home.

"With Evernote, all of your notes, web clips, files and images are made available on every device and computer you use," notes the app description.

The latest version of the Evernote app has a redesigned UI and provides improved access to all your tags, notebooks, places etc. so that you can quickly find what you're looking for. The Evernote app is perfect for transferring information between devices. To download this free app, click here.

2. Action Movie FX

This entertaining app lets users add Hollywood FX to movies that they shoot on their iPhone and iPad. The Action Movie FX app is from the production company of producer J.J. Abrams of the Lost, latest Star Trek, and Super 8 fame.

Thanks to this app, users can superimpose special effects into video clips they have recorded via their iDevices. While not for everyday use, the Action Movie FX app is high on entertainment quotient and its Star Wars-inspired sound effects give it top billing. No wonder, Apple announced it as app of the year for 2012 in the iPhone category.

The app is for free; additional in-app effects such as tornadoes and alien attacks can be purchased. To download the Action Movie FX app check here.

3. Paper by FiftyThree

Paper by FiftyThree also holds the distinction of being named the app of the year for iPad in 2012. This app is free and turns the iPad into a virtual sketchbook. Users can create drawings using a pen tool with various colors at their disposal. What's more, the option to export your creations to a social networking site or to save them on the tablet are also available.

"Paper is where ideas begin. It's the easiest and most beautiful way to create on iPad. Capture your ideas as sketches, diagrams, illustrations, notes or drawings and share them across the web," notes the app description.

Users also have the option to purchase in-app sketching tools to create more advanced and complex drawings. The free app can be downloaded here.