# Rapid & Quick Calculator vs PieceCalc Calculator

The clearest difference is in-app purchases: Rapid & Quick Calculator at none against PieceCalc Calculator's 3. Rapid & Quick Calculator also leads on ratings volume (1.5K vs 1). PieceCalc Calculator's advantage is update cadence (weekly vs every 5 months) and rating (5.0 vs 4.8). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. PieceCalc Calculator sells 3 one-off in-app purchases. Rapid & Quick Calculator asks for nothing beyond the download.

PieceCalc Calculator 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. Written reviews complicate that: 91% of Rapid & Quick Calculator's written reviews are positive against 85% of PieceCalc Calculator's, so the app with the better star average is not the one people write more warmly about.

Rapid & Quick Calculator ships an update every 5 months, PieceCalc Calculator weekly. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Rapid & Quick Calculator | PieceCalc Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.5K ratings)](https://appshunter.io/ios/app/rapid-and-quick-calculator/id1046214532/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/piececalc-calculator-workers/id6446441300/reviews)** |
| Number of ratings | **1.5K** | 1 |
| Positive reviews | **90.5% of reviews** | 85.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 7 MB | 61 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KinkumaDesign](https://appshunter.io/developer/385697725) | [秀丽 周](https://appshunter.io/developer/1664323229) |

## What reviewers say

### 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


### PieceCalc Calculator

[App page](https://appshunter.io/ios/app/piececalc-calculator-workers/id6446441300)

This tool simplifies work-related calculations with a comprehensive recording of the process. It offers enhanced features like real units and thousandths display, ensuring accuracy and efficiency for users on iPads and iPhones.

**Highlights:** Complete calculation process recording, iPad compatibility, Real unit support, Thousandths display, Efficient work calculations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent privileges | $3.99 | one-time |
| Permanent membership activity | $6.99 | one-time |
| permanent member | $9.99 | one-time |


## Frequently asked questions

### Is Rapid & Quick Calculator free?

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

### Is PieceCalc Calculator free?

PieceCalc Calculator is free to download, with in-app purchases available.

### Which has better reviews, Rapid & Quick Calculator or PieceCalc Calculator?

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

### Do Rapid & Quick Calculator or PieceCalc Calculator have ads?

Both Rapid & Quick Calculator and PieceCalc Calculator show ads.

### Which is updated more often, Rapid & Quick Calculator or PieceCalc Calculator?

Rapid & Quick Calculator ships an update every 5 months, and PieceCalc Calculator weekly. Most recently, Rapid & Quick Calculator was updated on October 29, 2026 and PieceCalc Calculator on October 27, 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.*