The Ad Pack/Job Pack functions between themes is quite different at this time, and yes, we do have plans for enhancements to this function in a future release of ClassiPress, although we can't confirm 100% if this will make it into the next
v3.1 release at this point.
Yes, there is always room for improvement, which is why we give people the opportunity to submit feature requests and vote for others in the
AppThemes Ideas Exchange. As you can see, the Monthly/Annual Subscription fee is a popular request with the community.