# Calculator X vs PieceCalc Calculator

The clearest difference is rating: PieceCalc Calculator at 5.0 against Calculator X's 4.6. PieceCalc Calculator also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (11.0 vs 14.0). Calculator X's advantage is ratings volume (6.2K vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Calculator X sells 2 in-app purchases, starting at $9.99 per 6 months and PieceCalc Calculator sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

PieceCalc Calculator holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Calculator X has 6.2K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 76% of Calculator X's written reviews are positive against 84% of PieceCalc Calculator's.

Calculator X ships an update every 3 weeks, PieceCalc Calculator weekly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Calculator X | PieceCalc Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (6.2K ratings)](https://appshunter.io/ios/app/calculator-x-math-for-ipad/id1198685408/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/piececalc-calculator-workers/id6446441300/reviews)** |
| Number of ratings | **6.2K** | 1 |
| Positive reviews | 76.2% of reviews | **84.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 188 MB | 61 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Otrofy Inc.](https://appshunter.io/developer/532323150) | [秀丽 周](https://appshunter.io/developer/1664323229) |

## What reviewers say

### Calculator X

[App page](https://appshunter.io/ios/app/calculator-x-math-for-ipad/id1198685408)

This app offers a smart calculator experience across iPad, iPhone, and Apple Watch. It features a history of calculations, the ability to edit equations, and a convenient dark mode. Easily share your results and enjoy enhanced productivity with its user-friendly interface.

**Highlights:** Basic & Easy to Use, History of Calculations, Edit Equation, Memory Last Calculation, Dark Mode, Drag and Drop, Split View

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator Premium | $9.99 | per 6 months |
| Gold Support | $6.99 | one-time |

**What reviewers like**

- 👍 Simple and basic calculator
- 💜 Beautiful color themes
- 🔒 No ads
- 💾 Calculation history
- 🔍 Easy to use

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 💰 Paywall/tokens required to use
- 🖍️ Limited color options
- 🔢 Only supports up to 9 digits
- 🧮 No scientific calculator functions

**Reported bugs**

- Calculation history clearing issues
- Dark mode not working properly
- Compatibility problems on older devices

**Requested features**

- More color theme options
- Ability to edit/restore calculation history
- Percentage and scientific calculator functions
- Customizable fonts and layouts


### 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 Calculator X free?

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

### Is PieceCalc Calculator free?

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

### Which has better reviews, Calculator X or PieceCalc Calculator?

PieceCalc Calculator is rated higher. Calculator X averages 4.6 out of 5 from 6.2K ratings, while PieceCalc Calculator averages 5.0 from 1 ratings.

### Do Calculator X or PieceCalc Calculator have ads?

Both Calculator X and PieceCalc Calculator show ads.

### Which is updated more often, Calculator X or PieceCalc Calculator?

Calculator X ships an update every 3 weeks, and PieceCalc Calculator weekly. Most recently, Calculator X was updated on November 6, 2026 and PieceCalc Calculator on November 7, 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.*