iPhone is one killer note taking device if you use the right apps on it. Whether you have trouble remembering those important tasks or just want to take note of your ideas as they come to you, your iPhone is your best friend. Instead of wasting paper and taking an extra item with you on the go, you can just use your iPhone to take notes and store them for future references.

There are plenty of note applications around. You can take text, video, audio, and picture notes on your iPhone. I personally prefer text and audio to other methods, but the other methods may work for your situation. If you are looking to take and organize your notes on your phone, here are 10 note iPhone applications you should try:

Awesome Notes: not only a very useful note taking app for iPhone, but it’s capable of helping you manage your to-do lists as well. It’s very well designed interface will keep you organized.

iFlipr Flashcards: a very useful note-taking (flash-card) application for iPhone that makes it easy to remember and master new topics using your phone.

iDiary: one of the best note taking applications to keep your ideas, plans, trips, and everything in between organized and stored for future references. Makes it easy to mark more important tasks and lets you export your files as well.

Evernote: Evernote needs no introduction. It’s a great software suite that lets you create text, photo, and audio notes on your phone. You can also synchronize your notes with Mac, PC, and Web.

Notemaster: an innovative notepad application for iPhone that lets you combine text, images, and headers to take note more effectively on your phone.

Take a Note: write, speak, and draw your notes on your phone. It also helps you categorize notes and share them with others as well. And who can forget about the search feature. Overall, a solid app all around.

Safe Note: not only helps you create your notes easily on the go, but lets you password protect them as well. So if your iPhone is lost, your private information won’t be exposed.

Note2Self Audio Recorder: maybe taking text notes is not your thing. If that is the case, Note2Self is a good audio note recorder app for iPhone. One of the most popular business apps around.

Notespark: access all your notes on your iPhone or iPod Touch through notespark.com. You can sync your new notes with notespark.com as well. Tag them, star them, and share as you prefer. You get a life-time subscription with notespark.com.

4Notes: take notes, search through them in real time, and organize them by using the star system available in this app. It’s simple and gets the job done.

What’s your favorite note taking app on iPhone?