You can also check out this link for the feature comparison of both products:, go to this link for more details about QBO plans and pricing. To learn more about which product best suits your business needs, you can check out this article: Comparing Quickbooks Online to the QuickBooks Desktop versions. Though there are hosting services you can use to access the file remotely. While Desktop version can only be accessed on the computer or network where the file is installed. You can access QBO anywhere as long as you have an Internet connection. The main difference between QBO and the Desktop version is its accessibility.
I can share some information about the difference between QuickBooks Online (QBO) and Desktop version, Doc75.