The TaxCaster from TurboTax is free to use, as of 2015, and it can be found on the TurboTax website. Simply answer some basic questions, and the TaxCaster will estimate your tax refund or how much you owe to the federal government, states the TurboTax website.
There are only 14 questions to answer on the TaxCaster. The TaxCaster is also available on your phone or tablet on the Apple App Store and on Google Play. There are several other free tax tools on the TurboTax website, such as benefit assist, dependents credit and deduction finder and Affordable Care Act exemption check, notes the TurboTax website.