# Devalluator Calculation Tool vs Rapid & Quick Calculator

The clearest difference is price: Rapid & Quick Calculator at Free against Devalluator Calculation Tool's $0.99. Rapid & Quick Calculator also leads on ratings volume (1.5K vs 1) and update cadence (every 5 months vs every 10 months). Devalluator Calculation Tool's advantage is ads (none vs shown) and rating (5.0 vs 4.8). On in-app purchases there is nothing between them.

Rapid & Quick Calculator is free to download; Devalluator Calculation Tool costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Devalluator Calculation Tool holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Rapid & Quick Calculator has 1.5K ratings behind it against 1, so its average is the more settled of the two.

Devalluator Calculation Tool ships an update every 10 months, Rapid & Quick Calculator every 5 months. The most recent releases landed on June 25, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Devalluator Calculation Tool | Rapid & Quick Calculator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/devalluator-calculation-tool/id376644552/reviews)** | [4.8 (1.5K ratings)](https://appshunter.io/ios/app/rapid-and-quick-calculator/id1046214532/reviews) |
| Number of ratings | 1 | **1.5K** |
| Positive reviews | — | 90.5% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 5 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 8 MB | 7 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Benson](https://appshunter.io/developer/376644555) | [KinkumaDesign](https://appshunter.io/developer/385697725) |

## What reviewers say

### Devalluator Calculation Tool

[App page](https://appshunter.io/ios/app/devalluator-calculation-tool/id376644552)

Easily calculate various percentage-based financial scenarios with large buttons and hotkeys. Quickly determine discounts, original prices, and more, ideal for shopping or financial planning.

**Highlights:** Percentage off a value, Percentage of a value, Percentage on a value, Calculate original price, Large input buttons, Hotkeys for quick selection

**In-app purchases:** none


### Rapid & Quick Calculator

[App page](https://appshunter.io/ios/app/rapid-and-quick-calculator/id1046214532)

A user-friendly calculator with essential functions and advanced features like tax and discount calculations. Easily reuse past calculations or edit expressions with intuitive controls. Offers customization options for themes and fonts.

**Highlights:** History Tape for reusing answers, Sales tax calculations, Discount calculations, Precise rounding settings, Customizable themes and fonts, Editable expressions with cursor keys, Share expressions and answers

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Devalluator Calculation Tool free?

Devalluator Calculation Tool costs $0.99, with no in-app purchases.

### Is Rapid & Quick Calculator free?

Rapid & Quick Calculator is free to download, with no in-app purchases.

### Which has better reviews, Devalluator Calculation Tool or Rapid & Quick Calculator?

Devalluator Calculation Tool is rated higher. Devalluator Calculation Tool averages 5.0 out of 5 from 1 ratings, while Rapid & Quick Calculator averages 4.8 from 1.5K ratings.

### Do Devalluator Calculation Tool or Rapid & Quick Calculator have ads?

Rapid & Quick Calculator shows ads; Devalluator Calculation Tool does not.

### Which is updated more often, Devalluator Calculation Tool or Rapid & Quick Calculator?

Devalluator Calculation Tool ships an update every 10 months, and Rapid & Quick Calculator every 5 months. Most recently, Devalluator Calculation Tool was updated on June 25, 2026 and Rapid & Quick Calculator on September 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*