# Devalluator Calculation Tool — Percentage Calculation Tool

> A simple tool for fast and accurate percentage calculations. (iPhone/iPad app by John Benson.)

- Source: https://appshunter.io/ios/app/devalluator-calculation-tool/id376644552 (this page in markdown: same URL + `.md`)
- Developer: [John Benson](https://appshunter.io/developer/376644555)
- Category: Finance, Lifestyle
- Price: $0.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 11.0 · 8 MB
- Languages: American English
- Released: 2010-06-21
- Data updated: 2026-06-25
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/devalluator-calculation-tool/id376644552/reviews.md

## What is Devalluator Calculation Tool?

Devalluator is a neat little app designed to make calculating percentages fast and simple.

It uses large buttons to input values and hot keys to let you select the percentage you want to apply to a figure.

Ideal for shopping environments when you just want to quickly find out the discount on that special pair of shoes and not wast time fiddling about with small buttons and complicated functions.

The app can perform 5 percentage functions:

-Percentage off a value
-Percentage of a value
-Percentage on a value
-Original price before percentage was increased
-Original price before percentage was reduced

## Key features

- Percentage off a value
- Percentage of a value
- Percentage on a value
- Calculate original price
- Large input buttons
- Hotkeys for quick selection


## Frequently asked questions about Devalluator Calculation Tool

### What is Devalluator?

Devalluator is a paid utility app designed for fast and simple percentage calculations. It offers five distinct percentage functions to assist users with financial scenarios.

### How much does Devalluator cost?

Devalluator is a paid application, priced at $0.99. This one-time purchase grants access to all its percentage calculation features.

### What percentage functions does Devalluator offer?

Devalluator can calculate the percentage off a value, the percentage of a value, the percentage on a value, and the original price before an increase or reduction.

### What devices is Devalluator available on?

Devalluator is compatible with Mac, iPhone, iPad, and iPod devices, offering a broad range of platform support for its users.

### Is Devalluator suitable for children?

Devalluator has an age rating of 4+, making it suitable for younger users who may need assistance with basic percentage calculations.

### How often is Devalluator updated?

The latest version of Devalluator is 2.2, and it was last updated on November 3, 2024. This indicates a commitment to maintaining and improving the application.

### Does Devalluator have ads?

No, Devalluator does not contain advertisements. As a paid application, it provides an ad-free experience for all users.

### What is the user rating for Devalluator?

Devalluator has received an excellent rating of 5.0 stars from one review, suggesting a very positive user experience.

## Version history (last 5 releases)

### 2.2 — 2024-11-03

Bug fixes

### 2.1 — 2023-09-05

App update.

### 2.0 — 2023-06-22

Update and bug fixes

### 1.9 — 2020-05-24

Interface update and added 2 new functions to calculate original price before percentage was increased &
original price before percentage was reduced

### 1.8 — 2020-04-02

updated for iOS13 with new dark mode

## Apps similar to Devalluator Calculation Tool

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Financial Calculator: Percent](https://appshunter.io/ios/app/financial-calculator-percent/id957134762) | 4.7 (14,099) | Free | Finance |
| [Fast Percent - Calculator Tool](https://appshunter.io/ios/app/fast-percent-calculator-tool/id812021371) | 4.5 (399) | Free | Finance |
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| [Div Income, Get Paid to Invest](https://appshunter.io/ios/app/div-income-get-paid-to-invest/id1670813500) | 3.0 (2) | Free | Finance |

## More apps by John Benson

- [Devall Lite](https://appshunter.io/ios/app/devall-lite/id403801166)
- [I've Arrived GPS Alarm](https://appshunter.io/ios/app/ive-arrived-gps-alarm/id809823003)
- [Fast Percent - Calculator Tool](https://appshunter.io/ios/app/fast-percent-calculator-tool/id812021371)
- [Palm Predict - Joke App](https://appshunter.io/ios/app/palm-predict-joke-app/id853930458)
- [Traffic Stat Road Info Alerts](https://appshunter.io/ios/app/traffic-stat-road-info-alerts/id922879385)

All apps by John Benson: https://appshunter.io/developer/376644555

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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 2026-06-25.*