Calculate and manage your estimated quarterly taxes with this finance app. It allows you to input various tax details, record payments, and export PDF worksheets. The app also offers password protection and reminders for payment due dates.






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Whether you want more options like E or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.






Calculate and manage your estimated quarterly taxes with this finance app. It allows you to input various tax details, record payments, and export PDF worksheets. The app also offers password protection and reminders for payment due dates.






Access precise and current information on Title 26 of the Code of Federal Regulations for tax professionals. Powered by GPT-4o, it offers instant answers, example questions, and an interactive chat interface for tax compliance.






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Easily estimate your US federal and state income tax liability in seconds. This tool helps with tax planning for employed, self-employed, and those with investment income, offering insights into tax savings and projections.


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This app provides guidance on checking the status of your IRS tax refund. It simplifies information from irs.gov to help you understand typical refund timelines and how to track your refund if it's delayed.


Manage freelance finances, track expenses, and generate invoices. This app helps self-employed individuals estimate taxes, discover deductions, and gain financial insights. It securely connects to bank accounts for comprehensive financial overview.


Easily track the status of your IRS and state tax refunds. Securely connect directly to official government websites without transmitting or storing your personal information.