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
The best washington state department of revenue apps on iPhone average 3.9★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.0★ (4) | No | No | Sep 2026 | ||
| 2 | Free | 2.9★ (4.3K) | No | No | Sep 2026 | ||
| 3 | Free | 2.9★ (280) | No | No | Sep 2026 | ||
| 4 | Free | 4.9★ (568) | No | No | Sep 2026 | ||
| 5 | Free | — | No | Yes | May 2026 | ||
| 6 | $1.99 | 4.1★ (47) | No | No | Sep 2026 | ||
| 7 | Free | 5.0★ (2) | Yes | No | May 2026 | ||
| 8 | Free | 4.9★ (129K) | No | No | Sep 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.




Access official IRS services on your mobile device. Check refund status, make payments, find tax preparation help, and receive tax tips and news. Stay connected with the IRS anytime, anywhere.





Access real-time traffic conditions, ferry schedules, and mountain pass reports for Washington State. Stay informed about travel alerts, toll rates, and border wait times to plan your journeys efficiently.