Best Tax Calculator Gas Apps

242+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated September 2026

Looking for free tax calculator gas apps? 20 of our 242+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Tax Calculator Gas Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sales Tax Calculator - Tax MeSales Tax Calculator - Tax MeFree4.8★ (5.4K)YesYesSep 2026
2Percentage Calculator %: TaxPercentage Calculator %: TaxFreeNoYesAug 2026
3Sales Tax - CalculatorSales Tax - CalculatorFree3.9★ (13)NoNoMay 2026
4Calculator: EasyCalcCalculator: EasyCalcFreeYesYesJul 2026
5Simple Fuel Calculator (USA)Simple Fuel Calculator (USA)Free5.0★ (6)NoNoJul 2026
6NoMOGasTaxNoMOGasTaxFree3.1★ (19)NoNoSep 2026
7Percentage Calculator - Calc %Percentage Calculator - Calc %Free4.8★ (451)YesNoSep 2026
8Tax CalculatorTax CalculatorFreeNoNoMay 2026

Top Picks for Tax Calculator Gas

Sales Tax Calculator - Tax Me#1

Sales Tax Calculator - Tax Me by Tardent Apps Inc.

Mobile Shopping Price Calc App
Editor's Choice
💰 Finance
4.8😊(5.4K ratings)
FreeAdsIn-App Purchases
Sales Tax Calculator - Tax Me screenshot 1
Sales Tax Calculator - Tax Me screenshot 2
Sales Tax Calculator - Tax Me screenshot 3
Sales Tax Calculator - Tax Me screenshot 4

Easily calculate sales tax on purchases with this intuitive and accurate tool. Save multiple tax rates, perform arithmetic calculations, and support all currencies. An optional Pro version offers additional features like item logging and reverse tax calculation.

What We Love

  • 💡 Helpful for business/small sales
  • 🚀 Quick and easy to use
  • 👍 Accurate tax calculations
  • 🤑 Free option available

Room to Improve

  • 🤬 Too many ads/commercials
  • 🐛 Occasional glitches and crashes
  • 🤔 Limited functionality (e.g. no percentage sign)
Sales Tax - Calculator#3

Sales Tax - Calculator by johny georges

Worth Considering
💰 Finance
3.9(13 ratings)
Free
Sales Tax - Calculator screenshot 1
Sales Tax - Calculator screenshot 2
Sales Tax - Calculator screenshot 3

Easily calculate the final cost of your purchases with this intuitive tool. It features dedicated buttons for discounts and allows you to adjust tax rates. Values and expressions can be conveniently copied for further use.

More Tax Calculator Gas apps to explore

FAQ about Tax Calculator Gas

What are the best tax calculator gas apps for iPhone?
Sales Tax Calculator - Tax Me tops our tax calculator gas apps ranking as of September 2026, with a 4.8-star average from 5.4K App Store ratings, and it's free to download.
Yes — 20 of the top tax calculator gas apps we rank are free to download, including Sales Tax Calculator - Tax Me and Percentage Calculator %: Tax.
Sales Tax Calculator - Tax Me shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 242+ tax calculator gas apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a sales tax calculator, helping users determine the total cost of purchases including applicable sales tax. It features an easy-to-use interface, supports all currencies, and includes a built-in arithmetic calculator for convenience.
Key features include the ability to create and save multiple tax rates for quick access, a clean and attractive user interface, and an integrated arithmetic calculator. It also supports all currencies, making it versatile for various shopping needs.