Hi ,I'm sure this has been covered before, but to recap; when your 6mnth's are up, you pay your money again. personally I dont mind doing that, it gives something back to the developers.As for pro being any better than the free version,i believe you have get 5 u/p's rather than 3u/p's. All in all i think its worth it. If any of the above is incorrect,I'am sure it will be made clear(er).IRH