The iPad, iPod, and iPhone all come with a few apps. The rest must be downloaded form the App Store. Some are free, and you must pay for some.
you cant download app which cost for free if you download it it will cost you and you will have to pay for it, if you dont want to pay for apps only download apps which are free.
itunes
you can download the Duolingo mobile apps and can learn there free of cost.
There is no way to get free apps that come WITH the iPod Touch, but you have the ability to download thousands of free apps when you buy it.
iTunes!
on the app store there is an area with a couple hundreds of free apps
Yes, you can still download apps and music on itunes OR You could go onto Cydia and download some stuff (Installous=Free apps and dTunes=Free music
No it costs nothing for FREE apps on your ipod touch.
There are both free and paid apps available for android phones.
easy ''If you download it its no charge''
Pandora
app store