No, you do not have to link Tradify with an Accounting System.
You can learn more about what Tradify offers via our Getting Started with Tradify article. Here, you'll understand how Tradify can service your trade business' needs.
If you are interested in linking your Tradify account to an accounting package, read more on this by viewing our sections on:
Please note that Tradify focuses on job costing and job management up to invoicing for customers and suppliers and while it provides limited ability to track payments on customer invoices.
It is not an accounting system and therefore does not provide features that allow you to manage or report on your GST liabilities or to manage your cash flow and/or bank account reconciliation.