what is difference between Quick Book and Peach tree Accounting Software? which is most suitable for Small Companies?

A Quick book is to manage your money, import from your bank, and always be ready for taxes.
It's accounting software made easy.
And a peach tree or Sage50 will help you get there with guidance that builds confidence.
Insights that shape ideas and innovation.
And built-in peace of mind with Sage Business Care.
the best that can help you for small business is a quick book thanks