TidyStock can manage categories and sub categories. See here.
Have a look at similar frequently asked questions or visit our FAQs page for more information
Is there a way to re-upload a material list, and make all items unmanaged?
Are there EU options for tax that can be added?
Can I copy and paste line items for speed and ease of use?
I buy and sell in USD for some customers, but when setting up a new material item, I can't select USD. Why is that?
Can Tracking Categories be displayed on the main page in Sales Console?