Because, in most cases, it costs the developers money to produce them.
about 250$
Like all Android phones, there are free applications as well as applications that cost money.
No! It is completely free. Some applications can cost you money, but it is free to sign up.
No.
no.
It depends on what you are upgrading. If you are upgrading the hard drive or generation to a higher generation or hard drive capacity, then it will cost you money. If you are upgrading the software, it will only cost money if you are buying the 3.0 or 3.1 software.
they cost about 20 AU dollars
like $2 or $3
iMessege is free on the iPad and than can be used to send Messages from the iPad to other iPads, iPhones and iPod Touch's!
no when you update anything on your ios/ipads iphones ipods/you will not have to pay anything that includes your ios updates like ios7 thats free too
They cost approximately 500 dollars
No, IPhones and IPads are two different purchases. The IPhone is actually a really neat phone that offers many of the features with a smaller screen, and cost less too.