I have an iphone 4s, Im wondering when the ios 7 untethered jailbreak is out
When is the ios 7 jailbreak coming out?
It will be released when Apple release iOS 7.1 - which knowing Apple won't be long.
As long as the bugs aren't patched, it will come out shortly after.
You can check on progress here; http://www.isthereajailbreak.com/