Focused young African American woman in eyeglasses looking through paper documents, managing business affairs, summarizing taxes, planning future investments, accounting alone at home office.

Taxes are complicated enough without the added stress of figuring out which tax software will work best for you. While you should get the same refund or bill no matter which provider you choose, tax filing programs typically come at a cost — so there’s a crucial difference between paying for what you'll use and paying extra for what you don’t need.

We did the research by testing and evaluating four well-known, widely used online tax providers: TurboTax, H&R Block, TaxAct and TaxSlayer. Our review process includes first-hand testing and information collection, focusing on factors that are important to filers: price, ease of use, transparency, tools, tax pro help and customer support.

Originally published on nerdwallet.com, part of the BLOX Digital Content Exchange.