250+ iOS apps curated and reviewed
Out of 250+ washington sales tax apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.0★ (4) | No | No | Sep 2026 | |
| 2 |  | Free | 4.8★ (5.4K) | Yes | Yes | Sep 2026 | |
| 3 |  | Free | 1.0★ (1) | Yes | No | Aug 2026 | |
| 4 |  | Free | — | No | No | Aug 2026 | |
| 5 |  | Free | 3.7★ (3) | No | No | May 2026 | |
| 6 |  | Free | — | 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 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 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.
