Best Washington Sales Tax Apps

151+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated June 2026

Out of 151+ washington sales tax apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Washington Sales Tax

Wa Sales Tax#1
0.0(0 ratings)
Free
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This mobile application helps users quickly find current sales tax rates and calculate total charges with sales tax, allowing them to save and export location data for bookkeeping purposes. With features like GPS and address search, saved location grouping, and user settings, it's a convenient tool for verifying sales tax rates on-the-go.

MyBlock: Tax Docs & Refund#2

MyBlock: Tax Docs & Refund by HRB Tax Group, Inc.

Strong Contender
💰 Finance
4.6😞(58K ratings)
Free
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"Manage your finances seamlessly with our redesigned app, offering convenient features for tracking expenses and processing refunds. Streamline your financial tasks with ease today!"

What We Love

  • 👍 Helpful tax professionals
  • 🚀 Fast tax filing process
  • 💰 Increased tax refund amounts

Room to Improve

  • 🐛 Buggy mobile app experience
  • 🕰️ Frustrating login/authentication issues
  • 💸 Deceptive pricing/upselling tactics
H&R Block Tax Prep: File Taxes#3

H&R Block Tax Prep: File Taxes by HRB Tax Group, Inc.

Easily Prepare 2025 Tax Return
Worth Considering
💰 Finance
4.8😐(116K ratings)
Free
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An innovative application that seamlessly connects users through interactive video calls, provides customized teleconferencing options, and offers real-time messaging features for efficient communication. Enhance your remote collaboration experience with this all-in-one communication tool.

What We Love

  • 🚀 Easy to use
  • 🚀 Comprehensive tax filing
  • 🚀 Helpful tax professionals
  • 🚀 Maximizes tax refund

Room to Improve

  • 🐛 Glitches and bugs
  • 🔍 Lack of customer support
  • 💰 Expensive for some features

More Washington Sales Tax apps to explore

4
Berkheimer Tax Innovations
Berkheimer Tax Innovations
Berkheimer Tax Innovations
File & pay local taxes in PA
Free

A tax innovation application that simplifies and streamlines the filing process for individuals and businesses. Easily file your taxes, maximize deductions, and stay updated on tax laws with just a few clicks.

💰 Finance
(4.4K)
5
Global Blue - Shop Tax Free
Global Blue - Shop Tax Free
Global Blue - Shop Tax Free
Shop the world and save money
Free

Shop the world and save money with a free app that simplifies tax-free shopping. Easily track tax refunds, find favorite stores, and access tax-free shopping rules. Download now for a seamless shopping experience.

✈️ Travel
(878)
6
Sales Tax - Calculator
Sales Tax - Calculator
Sales Tax - Calculator
by johny georges
Free

This calculator helps determine the cost of a purchase by allowing users to adjust tax rates, apply discounts, and perform basic calculations. Try it out to easily calculate sales tax and get the total cost of your purchase.

💰 Finance
(13)
7
Sales Tax & Discounts
Sales Tax & Discounts
Sales Tax & Discounts
Calculator: Taxes & Specials
Free

This application helps users calculate sales tax and final prices for products, taking into account multiple discounts and location-based tax rates. With a comprehensive library of global tax rates and various calculator features, users can quickly and easily get accurate calculations, even offline.

💰 Finance
(272)
8
A Sales Tax Calculator
A Sales Tax Calculator
A Sales Tax Calculator
by Rooster Glue, Inc.
Free

This simple and powerful calculator helps you compute sales tax in real-time, displaying key values such as price, tax rate, subtotal, and total price. Try it out to easily calculate sales tax, discounts, and original prices with just a few inputs.

🔧 Utilities
(3)
9
Taxfyle: Taxes Done For You
Taxfyle: Taxes Done For You
Taxfyle: Taxes Done For You
Licensed tax professionals
Free

Get your taxes done hassle-free with a licensed tax professional using an app that securely matches you with experts based on your tax position. Easily upload documents, communicate with your tax pro, and access your files year-round. Whether you're a homeowner, freelancer, business owner, or investor, Taxfyle simplifies tax filing for you.

💰 Finance
(653)
10
FlyFin - 1099 Taxes
FlyFin - 1099 Taxes
FlyFin - 1099 Taxes
File Taxes. Track Write-Offs.
Free

Easily file 1099 taxes and track write-offs with our app built for freelancers and independent contractors. Simplify your tax process and boost your financial well-being.

💰 Finance
(512)
11
Tip Calculator: Tax & Discount
Tip Calculator: Tax & Discount
Tip Calculator: Tax & Discount
Check Sales Price US & Canada
Free

This mobile app helps users calculate the final price of goods by adding sales tax, which varies by state and province in the US and Canada, ensuring they know the total cost of their purchases. Download it now and easily determine the total price of items you're buying while traveling or shopping.

🛍️ Shopping
(159)
12
TaxSlayer: File your taxes
TaxSlayer: File your taxes
TaxSlayer: File your taxes
Max refund + 100% accuracy
Free

A tax filing application that offers step-by-step instructions, a 100% accuracy guarantee, and various filing options, accessible from any device. Features include year-over-year comparisons, easy data upload, maximum refund guarantee, unlimited support, and secure filing. Start for free with TaxSlayer Simply Free or choose TaxSlayer Classic for more deductions and education tax breaks.

💰 Finance
(19K)
13
US Sales Tax Calculator
US Sales Tax Calculator
US Sales Tax Calculator
ZIP lookup, reverse tax calc
Free

This application simplifies sales tax calculations across the USA, allowing users to instantly find current sales tax rates by ZIP code and calculate pre-tax prices, tips, and total costs. With its user-friendly interface and versatile features, it's perfect for business owners, freelancers, shoppers, and travelers looking for fast, accurate, and easy tax computations.

💰 Finance
(24)
14
e-taxfiller: Edit PDF Forms
e-taxfiller: Edit PDF Forms
e-taxfiller: Edit PDF Forms
Fill & Sign Tax Form for IRS
Free

Edit PDF Forms easily with our user-friendly application, allowing you to fill out tax forms efficiently. Simplify your tax filing process today!

💰 Finance
(2K)
15
Tax Me Pro
Tax Me Pro
Tax Me Pro
Sales Tax Calculator with Logs
$4.99

A high-quality sales tax calculator application with a unique Log Mode feature for saving lists of items, reverse tax calculation, and a companion Apple Watch app. Easily track and calculate sales tax with a clean interface, custom calculator, and support for all currencies. Find it on the App Store under "Tardent." For support, contact support@tardentapps.com.

💰 Finance
(709)
16
Parcel Pro: Tax Property Guide
Parcel Pro: Tax Property Guide
Parcel Pro: Tax Property Guide
by Parcel Pro App LLC
Free

This application provides resources to help users get started with acquiring tax properties in Alabama. It offers a guide to support a successful tax property acquisition process.

🌟 Lifestyle
(16)
17
Planet Tax Free ME
Planet Tax Free ME
Planet Tax Free ME
Tax Free Planet
Free

"Experience tax-free shopping in the UAE with an innovative mobile app that streamlines the process, allowing you to track, manage refunds, and access all tax-free transaction information easily. Shop smarter with digital invoices and stay updated on refund statuses."

💰 Finance
(69)
18
Income Tax Calculator: TaxMode
Income Tax Calculator: TaxMode
Income Tax Calculator: TaxMode
Tax planner for USA income tax
Free

A powerful income tax planning app for the USA that stays updated with the latest tax laws and includes detailed calculations for tax years 2023 and 2024. Take control of your taxes easily and plan ahead with TaxMode!

💰 Finance
(309)
19
TaxesToGo
TaxesToGo
TaxesToGo
by Rhodes Computer Services LLC
Free
💼 Business
(262)
20
Sales Tax Finder
Sales Tax Finder
Sales Tax Finder
by Rick Kolluri
Free
💼 Business
(0)