# PCalc vs Numerical³

The clearest difference is price: Numerical³ at Free against PCalc's $9.99. Numerical³ also leads on in-app purchases (none vs 4) and update cadence (every 2 weeks vs every 6 weeks). PCalc's advantage is chart position (#78 vs unranked) and review sentiment (84% vs 75%). On rating, ratings volume and ads there is nothing between them.

Numerical³ is free to download; PCalc costs $9.99 up front. PCalc sells 4 one-off in-app purchases. Numerical³ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for PCalc against 4.8 for Numerical³. Both are backed by a comparable volume of ratings — 770 and 1.3K respectively. Written reviews are what separate them: 84% of PCalc's written reviews are positive against 75% of Numerical³'s.

PCalc ships an update every 6 weeks, Numerical³ every 2 weeks. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | PCalc | Numerical³ |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.7 (770 ratings)](https://appshunter.io/ios/app/pcalc/id284666222/reviews) | **[4.8 (1.3K ratings)](https://appshunter.io/ios/app/numerical/id804548449/reviews)** |
| Number of ratings | 770 | **1.3K** |
| Positive reviews | **83.6% of reviews** | 75.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#78** | — |
| Size | 81 MB | 113 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch, Vision Pro** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [TLA Systems Ltd.](https://appshunter.io/developer/284666225) | [Andrew J Clark](https://appshunter.io/developer/804548452) |

## What reviewers say

### PCalc

[App page](https://appshunter.io/ios/app/pcalc/id284666222)

**Currently charting:** #78 Top Paid · Utilities (US App Store)

A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

**Highlights:** Optional RPN mode, Multi-line display, Extensive unit conversions, Paper tape, Multiple undo/redo, Hexadecimal, octal, binary support, Apple Watch app

**Features:** Apple Watch app, iMessage stickers

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $4.99 | one-time |
| Enormous Tip | $9.99 | one-time |


### Numerical³

[App page](https://appshunter.io/ios/app/numerical/id804548449)

A powerful and beautifully designed calculator app that offers advanced scientific functions, automatic bracket handling, and a unique no-equals button interface. It integrates seamlessly with iOS features like widgets and keyboards for calculations anywhere.

**Highlights:** No equals button interface, Automatic bracket handling, Full scientific keypad, Today Widget integration, Numerical² Keyboard for any app, Equation editing, Customizable themes

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app
- 👍 Simple and intuitive
- 👍 Clean and beautiful design
- 🚀 Fast and responsive
- 👍 Customizable themes

**What reviewers complain about**

- 🐛 Bugs and glitches (unresponsive keys, calculation errors)
- 🔍 Lack of advanced functions (scientific, unit conversion)
- 💡 Needs more theme options
- 💡 Needs iPad support
- 💡 Needs widget support

**Reported bugs**

- Unresponsive keys
- Calculation errors
- Crashes on startup

**Requested features**

- Add scientific functions (square root, trigonometry, etc.)
- Implement an equals button
- Add more theme options
- Develop an iPad version
- Bring back widget support


## Frequently asked questions

### Is PCalc free?

PCalc costs $9.99, and also offers in-app purchases.

### Is Numerical³ free?

Numerical³ is free to download, with no in-app purchases.

### Which has better reviews, PCalc or Numerical³?

Numerical³ is rated higher. PCalc averages 4.7 out of 5 from 770 ratings, while Numerical³ averages 4.8 from 1.3K ratings.

### Do PCalc or Numerical³ have ads?

Neither PCalc nor Numerical³ shows ads.

### Which is updated more often, PCalc or Numerical³?

PCalc ships an update every 6 weeks, and Numerical³ every 2 weeks. Most recently, PCalc was updated on September 30, 2026 and Numerical³ on October 1, 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.*