There are currently more than 100,000 native iPad apps available in the Apple Store, some of which are unique and must-haves for your New iPad. These apps are not very new, yet they will score high when it comes to creativity, innovativeness and usefulness.

Check out the list of 10 must-have apps for your iPad.

Productivity App

Noteshelf: With iMore.com's recommendation, Noteshelf helps you create multiple notebooks, and stack and arrange them on a shelf each with a cover and title of your choice. Noteshelf is the handwriting note taker that features 17 super natural digital ink pens, a stunning UI and a comprehensive toolset that will increase the benefits of owning an iPad by leaps and bounds.

Price is $5.99.

Reference

WolframAlpha: Building on 25 years of development led by Stephen Wolfram, WolframAlpha has rapidly become the world's definitive source for instant expert knowledge and computation. WolframAlpha uses its vast collection of algorithms and data to compute answers and generate reports for you.

Get this computational knowledge engine on your iPad for just $2.99.

News

MacHash News: The app brings all the latest articles and rumors together in one place. Flick through stories with the gesture based reader and easily navigate on the Web via the integrated full screen web browser. Share, email, tweet, and save articles with built in social media support for Twitter, Facebook, Instapaper, Read it Later, Evernote, Tumblr and more.

MacHash News is compatible with iPhone, iPod touch, and iPad. It requires iOS 3.0 or above and is a free app.

Learning

4. Khan Academy: Khan Academy app offers over 2,700 videos covering a number of different topics. These free educational videos cover K-12 math, science topics such as biology, chemistry, and physics, and even the humanities with playlists on finance and history. Features of this free Khan Academy app include

  • Downloadable videos: take individual videos or entire playlists to watch offline at your own pace
  • Subtitles: follow along, skip ahead, or go back by navigating through subtitles
  • Track your progress: Log in with your Khan Academy user account to get credit for watching videos, and see your achievements
  • Exercises coming soon!

Lifestyle

5. Instapaper: Developed by Marco Arment, Instapaper lets you read things later. Use Instapaper's bookmarklet and save all lengthy articles on your iOS device and read them later whenever you want to read. The Instapaper app is formatted perfectly for the smaller screens. The app strips ads and combines multiple page articles.

Buy this app for $5.49.

Photography

6. Skitch: Skitch is a very interesting and useful app for annotating, editing and sharing screenshots and images on your iPad. You can manipulate the image and can resize or rotate according to your need. Known as the most fluid annotation software, you can start marking things in pictures and screenshots with the help of arrows, pointer and by encircling things. Once you're done, Skitch lets post the edited image on Twitter. You can email the same or save the changed image back into the gallery.

Culinary

Epicurious: This app is a hit among all foodies. Over 5 million downloads! Winner for the 2nd year in a row 2011 ASME Award (National Magazine Awards for Digital Media) and winner of the Best Mobile Media 2010 (American Society of Magazine Editors), this app lets you access the renowned recipes from the award-winning food site Epicurious.com. With Epicurious, now you can learn more than 30,000 delicious, professionally created recipes from Bon Appetit, Gourmet, Self, and renowned chefs and cookbooks.

Healthcare & Fitness

8. Pregnancy (Sprout): Named the #1 pregnancy app by babble.com, Pregnancy (Sprout) is a complete pregnancy recording database for all pregnant women. Created with the help of specialized Doctors and experienced mothers-to-be the app provides helpful information about you and your baby with stunning color images and 3D models, weight tracker, kick counter, contraction timer. Pregnancy (Sprout) app also keeps record of doctor appointments, notes and reminders.

Games

9. Incoboto: Incoboto is a moody, challenging, adventure-puzzler for the iPad in the spirit of Portal and Ico. The game is about physics-based puzzles which get progressively harder. When the Corporation causes all the suns to go out, a small boy named Inco and his strange friend, Helios, go on a galaxy-spanning quest to light the skies once more.

Buy Incoboto for $2.99.

Social Networking

Tweetbot:  Developed by Tapbots, Tweetbot is a full-featured iPhone (and iPod touch) Twitter client with a lot of personality. According to Apple, Tweetbot comes with meticulously-crafted interface, sounds and animation and integrates features like multiple timelines and smart gestures. Although the Twitter client for iPad is great, but Tweetbot's handy features, best-in-class notifications and interface tweaks win more appreciation from Apple users. BuyTweetbot for only $2.99.