The Romney campaign did not really have much choice, because of their need to secure the GOP nomination first. As the incumbent, Obama had a much longer lead time, which allowed his campaign to invest early and bring more of the development process internal.
And they needed it--they've been pretty upfront that for an uncomfortably long time it was not clear the decision to centralize the technology was going to work at all. The field and other outreach teams did not like or use the products that the tech built for them for months.