Apple has launched its app store and there's a bunch of great stuff to download for your iPhone. But with that many new apps to choose from it can be a difficult task to sift through the goofy, quirky and downright useless programs to find those that genuinely have a place on your shiny new phone. But not everybody wants to spend their hard earned cash on applications. So here is a list of best free iPhone applications.

Applications can either be downloaded through the iTunes music store and then synchronised with the iPhone, or downloaded direct to the iPhone itself. If the application you're downloading is less than 10MB in size, you can download it over the 3G network; if it's over 10MB, then you'll need to download it via Wi-Fi.

Currency provides up-to-date exchange rate information for over 50 currencies and 70 countries! Great for traveling when you need to get the latest exchange rates. Users can tap into this currency converter to view up-to-the-minute exchange rate information for over 50 currencies and 70 countries. Currency supports all 18 languages that the iPhone and iPod touch support.

Facebook helps you connect and share with the people in your life. Millions of people use Facebook everyday to keep up with friends, upload an unlimited number of photos, share links and videos, and learn more about the people they meet. This app supplies a simple interface that enables users to converse with friends and family using Facebook Chat. The user can also post photos to his or her profile and check friends' status updates. Gameplay is supported, too.

The free application that turns iPod touch and iPhone into a remote control for iTunes and Apple TV. Be a mobile DJ. With Remote, you can control the music on your computer or Apple TV from your iPod touch or iPhone. Play, pause, skip, shuffle. See your songs, playlists, and album art on your iPod touch or iPhone as if you were right in front of your computer. Remote is free and works with your Wi-Fi network, so you can control playback from anywhere in and around your home.

This is another app targeted at hungry iPhone users. The location-based tool will suggest the nearby best restaurants, as well as Starbucks coffee houses and local concerts. The software can also pinpoint the location of friends within its user's network.

Ever wanted to remember something but don't feel like typing into into the iPhone? Use VoiceNotes instead and record a short audio message for later reference. Why type when you can speak?

Epocrates won't appeal to a wide crowd as it's geared toward healthcare professionals. But if you're one of them and you need a handy drug reference then Epocrates Rx will fit the bill. The database is continually updated and provides monographs for 3300 brand and generic drugs. This includes dosing, interactions, pricing, adverse reactions, and images of each medication. You can even use the interactions tool to check for potentially dangerous drug interactions

Eventful lets you find local events, know which performers will be performing and generally keep track of what's happening at your favorite venues. You can also share your favorites with friends and track what your friends are interested in. You'll have tour dates for more than 130,000 performers and schedules for all venues near you.

Stop worrying about losing your iPhone by using If Found. If Found lets you store your contact information on your phone and you can even use your information as the phone's wallpaper so if your device is found it can be returned to you promptly.

This is one of those apps you'll be passing around the table at a dinner party. Pangea accesses a massive database of 360-degree virtual panoramas from around the world. It uses both the iPhone's touchscreen and accelerometer to rotate the images in full-screen landscape mode. The results are stunning

The iPhone gives access to YouTube out of the box. Downloading Truveo gives you access to a wide range of other videos including clips from professional media sources such as Associated Press, Fox News, NBC, CNET.com and MTV. Playback quality, depending on the video, is almost identical to the YouTube player.