# Pascal vs WP 31s

The clearest difference is price: WP 31s at Free against Pascal's $2.99. WP 31s also leads on rating (4.9 vs 4.0) and in-app purchases (none vs 3). Pascal's advantage is update cadence (every 2 weeks vs every 10 months). On ratings volume, ads and device support there is nothing between them.

WP 31s is free to download; Pascal costs $2.99 up front. Pascal sells 3 one-off in-app purchases. WP 31s asks for nothing beyond the download.

WP 31s holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 23 and 15 respectively. Written reviews point the same way: 68% of Pascal's written reviews are positive against 100% of WP 31s's.

Pascal ships an update every 2 weeks, WP 31s every 10 months. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Pascal | WP 31s |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.0 (23 ratings)](https://appshunter.io/ios/app/pascal-3-in-1-calculator/id828838134/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/wp-31s/id973621300/reviews)** |
| Number of ratings | **23** | 15 |
| Positive reviews | 68.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 10 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 16 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Wei](https://appshunter.io/developer/828838137) | [Pascal Meheut](https://appshunter.io/developer/620255097) |

## What reviewers say

### Pascal

[App page](https://appshunter.io/ios/app/pascal-3-in-1-calculator/id828838134)

This app offers a powerful 3-in-1 calculator experience, combining scientific, graphing, and programmer functionalities. The scientific calculator is free, while graphing and programmer modes require an in-app purchase, with trials available for testing.

**Highlights:** Scientific calculator (degree, radian, gradian modes), RPN mode, Graphing calculator with smart tape and adaptive sampling, Programmer calculator (8, 16, 32, 64-bit bitwise), Multiple numeral systems (binary, octal, decimal, hex), Unicode and ASCII character encoding

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theme Pack | $0.99 | one-time |
| Graphing Calculator | $1.99 | one-time |
| Programmer Calculator | $1.99 | one-time |

**What reviewers like**

- ✨ Clean and modern design
- 🚀 Fast and responsive
- 👍 User-friendly interface
- 💡 Comprehensive functionality
- 🌟 Excellent for school/university

**What reviewers complain about**

- 💰 Graphing and programming features require payment
- ⌨️ No iPad Magic Keyboard support
- 🤔 RPN logic not easily discoverable
- 📉 Some users lost premium features after updates
- ⚠️ Potential for crashes after updates

**Reported bugs**

- Crashes after updates
- Premium features reverted to basic
- Cannot enter numbers with iPad Magic Keyboard
- RPN logic not selectable
- Key response slow or nonexistent on watch

**Requested features**

- Add RPN to Apple Watch app
- Improve iPad Magic Keyboard support
- Make themes free for all users
- Add a backspace button to Apple Watch app
- Add Arabic language support


### WP 31s

[App page](https://appshunter.io/ios/app/wp-31s/id973621300)

This app emulates a classic RPN scientific calculator, offering a rich function set for daily use with a simplified interface. It's based on the more complex WP 34s but is designed for easier operation.

**Highlights:** RPN scientific calculator emulation, Rich function set, Simplified, less cluttered keyboard, Based on WP 34s, Available on iOS

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pascal free?

Pascal costs $2.99, and also offers in-app purchases.

### Is WP 31s free?

WP 31s is free to download, with no in-app purchases.

### Which has better reviews, Pascal or WP 31s?

WP 31s is rated higher. Pascal averages 4.0 out of 5 from 23 ratings, while WP 31s averages 4.9 from 15 ratings.

### Do Pascal or WP 31s have ads?

Neither Pascal nor WP 31s shows ads.

### Which is updated more often, Pascal or WP 31s?

Pascal ships an update every 2 weeks, and WP 31s every 10 months. Most recently, Pascal was updated on October 21, 2026 and WP 31s on October 11, 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.*