It's not even the dependent issue. I have a very simple filing and the refund will be around half of what taxcaster shows. I'm middle income, single, no dependents, and just file with the standard deduction and it's still extremely inaccurate. My guess is it was never updated for the tax code updates. I even went back and calculated it my hand since standard deductions are really easy and taxcaster is about double my real tax returns.
