# Rapid & Quick Calculator Pro vs 割引計算・消費税計算

The clearest difference is review sentiment: Rapid & Quick Calculator Pro at 90% against 割引計算・消費税計算's 33%. 割引計算・消費税計算's advantage is ads (none vs shown) and price ($2.99 vs $3.99). On update cadence, in-app purchases, monetization model and device support there is nothing between them.

Rapid & Quick Calculator Pro costs $3.99 and 割引計算・消費税計算 $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rapid & Quick Calculator Pro ships an update every 5 months, 割引計算・消費税計算 every 4 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Rapid & Quick Calculator Pro | 割引計算・消費税計算 |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | **[4.9 (206 ratings)](https://appshunter.io/ios/app/rapid-and-quick-calculator-pro/id1067631562/reviews)** | — |
| Number of ratings | **206** | — |
| Positive reviews | **90.1% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 7 MB | 13 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KinkumaDesign](https://appshunter.io/developer/385697725) | [NISHI TAKASHI](https://appshunter.io/developer/837194947) |

## What reviewers say

### Rapid & Quick Calculator Pro

[App page](https://appshunter.io/ios/app/rapid-and-quick-calculator-pro/id1067631562)

This calculator app offers essential functions plus advanced features like sales tax and discount calculations. Easily reuse past answers, edit expressions with cursor keys, and customize themes and fonts. Share your calculations with others.

**Highlights:** History tape for reusing answers, Sales tax and discount calculations, Precise rounding settings, Editable expressions with cursor keys, Multiple color themes and font options, Share expressions and answers

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 📜 History feature is helpful
- 📋 Copy and paste functionality
- ✨ Customizable appearance
- ✅ Clear display of calculations

**What reviewers complain about**

- 🐛 App crashes on paste
- 🐛 Random calculations appear
- 🐛 Laggy input on startup
- 🐛 iPad bug with screen switching
- 🐛 Swipe responsiveness issues

**Reported bugs**

- App crashes when pasting copied expression and pressing equals
- Random calculations appear in current box after clearing and reopening
- Laggy drawing of input on startup
- App becomes unusable on iPad after screen switching
- Swipe response is poor

**Requested features**

- Dark mode for icon
- Larger calculation display window
- Separate tax buttons (pre/post tax)
- Vibration option for input
- Add memo to history


### 割引計算・消費税計算

[App page](https://appshunter.io/ios/app/pro/id1315287014)

Easily calculate discounts and consumption tax with support for reduced tax rates. Save calculations with names and quantities, and access quick calculations via a widget. This ad-free version offers enhanced features for shoppers.

**Highlights:** Reduced tax rate support, Discount calculations (e.g., 20% off), Consumption tax calculation (8% and 10%), Save calculation results with names and quantities, Notification center widget for quick calculations, Ad-free experience

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Rapid & Quick Calculator Pro free?

Rapid & Quick Calculator Pro costs $3.99, with no in-app purchases.

### Is 割引計算・消費税計算 free?

割引計算・消費税計算 costs $2.99, with no in-app purchases.

### Do Rapid & Quick Calculator Pro or 割引計算・消費税計算 have ads?

Rapid & Quick Calculator Pro shows ads; 割引計算・消費税計算 does not.

### Which is updated more often, Rapid & Quick Calculator Pro or 割引計算・消費税計算?

Rapid & Quick Calculator Pro ships an update every 5 months, and 割引計算・消費税計算 every 4 months. Most recently, Rapid & Quick Calculator Pro was updated on October 26, 2026 and 割引計算・消費税計算 on October 26, 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.*