I have no idea how it compares, but I did see a recent notice that an app has been released called Cashew, which appears to at least be in the same category as what you are asking. Check it out and let us know how it compares. I, for one, would be interested to know.
There aren't any apps that sync with Quicken at this time. There was a post about this in the Quicken Community forums, and an employee chimed in and commented.