https://www.quickensupporthelpnumber.com/blog/quicken-vs-quickbooks/ ( Quicken Vs QuickBooks ), is a debate that has been going on for ages. However, there is yet to be a decision on it. However, here are a few pointers that will help you take a call on the basis of your requirement:
Quicken is cheaper than QuickBooks, but QuickBooks provides multiple users;
Quicken will be the better option for personal use, contrarily, QuickBooks comes better equipped for small businesses and companies;
Both applications have cloud access, but only QuickBooks has Payroll functionality;
Quicken comes with rental property features.