E-file PA state tax return free or not??

I am in the process of deciding between the following websites for e-filing: emarttax.com, olt.com or taxact.com. I know that these websites offer FREE FEDERAL filing but do charge for STATE FILE return between $7 and $12. My question is...would it be OK that I file my federal return through one of these companies... show more I am in the process of deciding between the following websites for e-filing: emarttax.com, olt.com or taxact.com. I know that these websites offer FREE FEDERAL filing but do charge for STATE FILE return between $7 and $12. My question is...would it be OK that I file my federal return through one of these companies and then e-file my state return separately via https://pa.direct.file.state.pa.us/authentication.asp? I have not seen anywhere that PA Direct File charges for filing online but then again, I don't know if they will upon end of process? Does anyone know?
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