Here are 20 apps that can help you with income tax calculations in the USA:

TurboTax: This app allows you to prepare and file your taxes on your phone, with step-by-step guidance and a maximum refund guarantee.


H&R Block Tax Prep and File: This app provides easy-to-use tools for preparing and filing your taxes, including free federal filing.


TaxAct: This app offers tax preparation and filing services, with free federal filing and competitive pricing for state filings.


IRS2Go: This app is offered by the IRS and provides access to tax information, including refund status and payment options.


TaxSlayer: This app provides tax preparation and filing services with easy-to-use tools and competitive pricing.


Credit Karma Tax: This app offers free tax preparation and filing with personalised guidance and maximum refund guarantees.


Jackson Hewitt: This app provides tax preparation and filing services, with in-person and virtual options available.


FreeTaxUSA: This app offers free federal tax filing and low-cost state filing options, with easy-to-use tools and guidance.


eSmart Tax: This app provides tax preparation and filing services, with a range of pricing options and expert support available.


Liberty Tax: This app offers tax preparation and filing services, with in-person and virtual options available.


TaxSlayer Pro: This app is designed for tax professionals, with advanced tax preparation tools and support.


Drake Tax: This app is designed for tax professionals, with advanced features and customizable options.


TaxCaddy: This app helps you organise your tax documents and receipts with easy-to-use tools and secure storage options.


TaxJar: This app helps online sellers calculate and file sales tax with automated tools and real-time rate information.


Taxfyle: This app connects you with a network of licenced tax professionals who can help you prepare and file your taxes.


QuickBooks Self-Employed: This app is designed for freelancers and self-employed individuals, with tools for tracking income and expenses and calculating taxes.


Shoeboxed: This app helps you organise and track your receipts, making it easier to calculate deductions and file taxes.


Expensify: This app helps you track and categorise your expenses, with tools for calculating and reporting taxes.


MileIQ: This app helps you track and categorise your business mileage, with features for calculating tax deductions.


Everlance: This app helps you track and categorise your business expenses and mileage, with automatic tracking and easy reporting features.