At the end of October 2010, there were more than 300,000 apps officially available in the App Store. See the link below for more information on the app store including a nice table of how many apps were in the app store at given dates
Go to the app store and use you iTunes card to get apps
There are many apps for this. App store, iTunes, Apple Books, so on.
Anything in the iTunes app store
you can search any apps on iTunes or see apps on the home page on iTunes
You don't. You download apps on iTunes if you are downloading the app using the computer.You can download iTunes on apple.com.
You can get free apps from iTunes or the App Store.
By the time I answer this question there are ~285,000 iPhone / iPod Touch apps on the iTunes App Store.
No they hold different apps
Connect to the iTunes Store and a link to the App Store can be found centre top of the Store's window.
Visit app store or iTunes.
yesYou need to have an account on the iTunes App Store registered first (via iTunes application)Open Settings --> App Store --> log in with your accountGo to App Store app and buy paid or download free apps
No. You need an Apple App Card to purchase Apps from the App Store!