That depends on how you purchased it.
There is no such thing as an iPod 4S. The iPod 4G stands for iPod 4th Gen. Such as iPod 3G. There is no such thing as iPod 3GS. There is an iPhone 4s and an iPhone 3Gs. There will never be an iPod with an s. : )
Ipod touch vs Iphone 4s. Iphone 4s can hold ALOT more data than the Ipod touch, also the Iphone 4s has a higher rating than the Ipod touch. Its honestly up to you but based on the people that have each its usually chosen that Iphone 4s is better.
No, there are no monthly fees for apps. Once you pay for the app, you never pay for it again.
ipod shuffle
There are no monthly fees for a iPod Touch.
yes it does
no the ipod is round and the iphone is rectangular
It depends (a) which network it's connected to and (b) what your monthly tariff is !
No, you do not pay a monthly bill for iPod Touch apps.
no.
AT&T does not offer the iPhone 4S without a monthly plan. There are pay as you go options for text messaging starting for 10 cents a text. However, the iPhone 4S has iMessaging which does not count towards text messaging.
If you happen to lose your iPod 4s and you do not have a tracking app on it, simply engage the social media by promising rewards for anyone who comes across it.