# Calculate Discount & Sales Tax

> Calculator for discounts and sales tax with single-screen interface. (iPhone/iPad app by Blue Sodium Corp.)

- Source: https://appshunter.io/ios/app/calculate-discount-and-sales-tax/id460719433 (this page in markdown: same URL + `.md`)
- Developer: [Blue Sodium Corp](https://appshunter.io/developer/388020988)
- Category: Finance, Business
- Price: $1.99
- Rating: 3.10/5 from 79 App Store ratings · 50 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 9 MB
- Languages: American English
- Released: 2011-09-02
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/calculate-discount-and-sales-tax/id460719433/reviews.md

## What is Calculate Discount & Sales Tax?

This has been the top selling Calculator App on the App Store since 2011 for a reason. It does exactly what it say it will. No unnecessary complexity

*ONLY app on app store that lets you specify discounts in dollar values or percentage 

*No separate settings screen, everything is on one screen 

* Easily reset values by shaking your device 


*No ads or pop ups

* Easy to whip out and quickly calculate how much you have to pay 

* No one wants to muck around with multiple screens when they are out shopping 

* This is not one of those apps you need a phd to figure out..download and become an expert in less than a minute.

## Key features

- Calculate discounts in dollar values or percentage
- All functions on a single screen
- Reset values by shaking device
- No ads or pop-ups
- Quick and easy to use while shopping

## Recent user reviews (10 of 50)

All indexed reviews: https://appshunter.io/ios/app/calculate-discount-and-sales-tax/id460719433/reviews.md

### 1/5 — Broken

*2021-02-18, version 4.0*

It was only a few months ago when I first got this app and it worked flawlessly. Today I needed to use for the second time and there are numbers missing from the keypad. Something changed and not for the good. Please fix.

### 2/5 — Poor quality control?

*2021-01-28, version 4.0*

The first column of numbers plus “.” and the clear button are blank and no dollar signs present as in the screenshots. Evidently, it’s a toggle between % & $ for the discount. Downloaded it twice. Deleted the app out of concern Apple might have let a malicious app through.  Developer has a bad track record of maintaining the app, evidenced by this possible lack of quality control. Would rate higher if QC was the only issue.

### 5/5 — Thank you

*2018-03-03, version 3.0*

Thank you for fixing this app.  I have missed using it!

### 1/5 — No way to contact the stupid developer

*2018-01-03, version 2.0*

No way to contact the developer of this app. Paid for pro version and the app doesn’t work because it needs to be updated. Developer seems lethargic n not interested anymore.

Wake up!!!

### 1/5 — Not working anymore

*2017-12-17, version 2.0*

This app was working good when I got it, until I had so many updates on it now the app won’t work at all. The bad thing is a paid for this app, I guess that goes to show never pay for apps anymore.

### 1/5 — Doesn’t work with iOS11!  Needs an update.. waiting

*2017-11-29, version 2.0*

App no longer works with iOS11.. I purchased this app and have relied on it for a long time.  Now it’s no longer working because it requires an update.. how difficult could it be for the developer to update the app so that it will continue working??  Very disappointing!

### 1/5 — Useless

*2017-11-15, version 2.0*

I agree with the other review- you pay for a app, but this app doesn’t provide. Aggravating, useless and a rip-off.

### 3/5 — UPDATE THE APP

*2017-11-01, version 2.0*

To the developers of this app,
please update to the new compatibility for iOS 11. I can’t use it if it’s not updated.

### 3/5 — Needs update for new iOS

*2017-10-16, version 2.0*

Trying to open and get message that the developer needs to update the app to use on the new iOS.  Please hurry!  I use this app All The Time to calculate discounts and taxes!

### 1/5 — Will not work need update and i paid

*2017-10-02, version 2.0*

I paid for the pro version this app has not been updated for a while now and unable to open for a while now. Please update or refund those who have paid!

## Frequently asked questions about Calculate Discount & Sales Tax

### What does this app do?

This app is designed to help you quickly calculate discounts and sales tax. It offers a straightforward way to determine final prices while shopping, without any unnecessary complexity.

### How does it calculate discounts?

It allows you to specify discounts in two ways: either as a dollar amount or as a percentage. This flexibility ensures you can use the method most convenient for your situation.

### Is this app free to use?

Based on the information provided, this app is a paid application. It does not contain ads or pop-ups, offering an uninterrupted user experience.

### How do I reset the values?

Resetting the values is simple: just shake your device. This feature allows for quick clearing of previous calculations, making it efficient for multiple uses.

### Who would benefit from using this app?

This app is ideal for anyone who frequently shops and wants to quickly understand the final cost of items after discounts and taxes. Its single-screen design makes it easy to use on the go.

## Version history (last 5 releases)

### 4.0 — 2020-12-04

Completelty updated interface
iPad version now has side by side calculators for comparison
Code updated to be compatible with newer versions of IOS

### 3.0 — 2018-03-02

Updated to work with IOS 10+

### 2.0 — 2012-11-19

Saved background now persists across App restart
App remembers last Sales Tax rate used
Shaking resets all values except sales tax
Better Numeric Keypad
Touch anywhere on App to hide keyboard

### 1.5 — 2011-09-28

Universal App

### 1.0 — 2011-09-01

No release notes.

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All apps by Blue Sodium Corp: https://appshunter.io/developer/388020988

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*