Commerce · alternatives · 2026

24 alternatives to SoloTax

Simple tax calculator for Armenia

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1CF
   Calculator for US individual income tax, from 1970-present▲497

   I wanted to share a simple web app I created recently, which lets you estimate income taxes owed in the US: https://taxsim.app All the calculations occur directly in the browser, and are powered by a Fortran program that has been converted to WASM using emscripten. This calculator was originally developed in the 1970s [1] by the non-profit National Bureau of Economic Research. NBER has been maintaining this F77 codebase for the last 50 years, and uses it primarily for academic research on tax policy. The Fortran source code itself is over 1MB of text, because it codifies both…

   2022 · its alternatives →

2. 2
   TaxGPT▲214

   Your AI tax assistant, file your taxes for only $50

   2024 · taxgpt.com · its alternatives →

3. 3
   Tada▲184

   Taxes as easy as text.

   2016 · its alternatives →

4. 4
   TaxZap▲81

   File your UK Self Assessment in 15 minutes with AI

   Apr 2026 · taxzap.com · its alternatives →

5. 5
   neo.tax 2.0▲198

   10 minutes could save your startup 10% or more on payroll

   2021 · neo.tax · its alternatives →

6. 6
   RelaxTax▲60

   Simplified tax returns for Austria

   2021 · relax-tax.at · its alternatives →

7. 7
   Quaderno Checkout▲89

   Calculate sales taxes automatically

   2019 · quaderno.io · its alternatives →

8. 8
   Taxily▲84

   Unlock your finances with our suite of finance calculators

   2022 · its alternatives →

9. 9
   HivePayroll Calculate Income Tax▲76

   Calculate income tax on your earnings in a few simple steps

   2022 · hivepayroll.co.in · its alternatives →

10. 10
    Taxfix▲96

    Tax returns in Germany made super easy 💸🇩🇪

    2018 · taxfix.de · its alternatives →

11. 11
    SaveTax▲91

    Simple & actionable tax-saving advice

    2020 · its alternatives →

12. 12
    Gå ur Svenska Kyrkan▲89

    Lower your tax online, in 2 minutes

    2021 · gaurkyrkan.se · its alternatives →

13. 13
    Taxocat▲3

    Automated monthly tax declarations for Georgia's 1% regime

    Feb 2026 · taxocat.com · its alternatives →

14. 14IT
    Income Tax Calculator▲64

    2015 · incometaxcalculator.net.in · its alternatives →

15. 15
    Options Exercise Tax Calculator v2▲72

    See how much money you need to exercise your startup options

    2020 · secfi.com · its alternatives →

16. 16
    ZipTax▲5

    Calculate and compare your taxes across States in the US

    2024 · ziptax.org · its alternatives →

17. 17
    What's the Income Tax?▲8

    Global income tax calculator

    Nov 2025 · whatstheincometax.com · its alternatives →

18. 18
    Irish Income Tax Calculator▲3

    Calculate easily your take home money

    2021 · its alternatives →

19. 19
    CanTax▲5

    Instant Tax Help for Canadians

    2023 · cantax.ai · its alternatives →

20. 20
    TaxHero AI▲21

    The simplest ever AI-driven tax app for early-stage startups

    2025 · its alternatives →

21. 21
    Free Self-Employed Tax Calculator▲16

    Tax calculation for self-employed professionals in Portugal

    2025 · its alternatives →

22. 22
    MyExpatTaxes▲6

    Moving abroad is hard enough... Your taxes shouldn't be.

    2018 · myexpattaxes.com · its alternatives →

23. 23SC
    Simple calculator, try urlcalc.com/1+2▲5

    2015 · urlcalc.com · its alternatives →

24. 24
    GST calculator▲11

    GST Calculator: add GST to a base price or remove GST from a GST-inclusive total. Enter any amount and rate for an instant base, tax and total breakdown.

    2024 · chromewebstore.google.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →