About
Instantly calculate the final price of purchases, including sales tax, with automatic location detection and a convenient home screen widget. Perfect for budgeting and knowing exactly what you'll pay.
What's New in SalesTaxAssistant
1.1
January 15, 2026
Fix app unable issue.
In-App Purchases
$0.99
Remove Ads
Remove all advertisements from the app
FAQ
What is SalesTaxAssistant?
SalesTaxAssistant is a utility app that helps you instantly calculate the final price of your purchases, including sales tax. It uses automatic location detection to provide accurate tax rates across the United States.
Does SalesTaxAssistant have ads?
No, SalesTaxAssistant is ad-free. The app offers an optional 'Pro' upgrade for a one-time purchase to remove advertisements and support independent development.
How accurate are the tax rates in SalesTaxAssistant?
Tax rates are sourced from official databases and updated regularly. While the app aims for accuracy, it's always recommended to verify final amounts at checkout.
Can I use SalesTaxAssistant without giving my location?
Yes, while the app automatically detects your location for tax rates, you can also manually search for tax rates by entering any city or ZIP code.
Is SalesTaxAssistant available on Android?
Based on the provided data, SalesTaxAssistant is currently supported on iPhone devices.
How often is SalesTaxAssistant updated?
The app was last updated on January 15, 2026, to version 1.1. This indicates regular updates to ensure tax rate accuracy and app performance.
What do users like about SalesTaxAssistant?
Users appreciate the app's clean and intuitive interface, fast performance, and the convenience of the home screen widget for quick tax calculations without opening the app.
What is the price of SalesTaxAssistant?
SalesTaxAssistant is free to download and use. There is an optional one-time purchase to upgrade to 'Pro' for an ad-free experience and to support development.