Quickly find current Washington state sales tax rates using your mobile device. Calculate total charges with tax, save and export location data for bookkeeping, and verify rates on the go.
Wa Sales Tax by Washington State Department of Revenue






250+ iOS apps curated and reviewed
Every iPhone needs a few good washington tax rate apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Aug 2026 | |
| 2 | Free | 4.8★ (938K) | Yes | No | Aug 2026 | |
| 3 | Free | 4.6★ (58K) | No | No | Aug 2026 | |
| 4 | Free | 4.8★ (5.4K) | Yes | Yes | Aug 2026 | |
| 5 | Free | 4.8★ (116K) | No | No | Aug 2026 | |
| 6 | Free | 4.5★ (4.4K) | No | No | Aug 2026 | |
| 7 | Free | — | No | No | May 2026 | |
| 8 | Free | — | No | No | May 2026 |






Quickly find current Washington state sales tax rates using your mobile device. Calculate total charges with tax, save and export location data for bookkeeping, and verify rates on the go.






Easily file your federal and state tax returns with expert assistance. Upload documents quickly, get real-time updates, and ensure accuracy for your maximum refund. Offers a free option for simple returns.






Manage your taxes and financial life in one secure app. Upload and store tax documents, track your refund status, and connect with tax professionals. Stay organized year-round with tools designed for real tax needs.


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.


Easily prepare and file your federal and state tax returns from any device. Automatically populate up to 80 fields by uploading last year's return. Get expert help, track your refund, and maximize your refund with personalized insights.


Easily file and pay your Local Earned Income Tax in Pennsylvania. Submit completed paper returns or generate an EZ return using your W2s. Get refunds faster and save time and resources.








This app simplifies complex tax filing for freelancers, self-employed individuals, and small business owners. It uses AI and human accountants to optimize returns, identify deductions, and ensure accuracy. File your taxes confidently from your phone or computer with expert review and audit protection.






Easily calculate sales tax with a simple and elegant interface. Input the original price and tax rate to instantly see the calculated tax and total cost. Features a custom keyboard and editable tax rates for convenience.













