# WP 31s vs MultiiCalc

WP 31s and MultiiCalc both sit at 4.9 stars, but that hides the real split: 100% of WP 31s's written reviews are positive against 50% of MultiiCalc's. WP 31s also leads on in-app purchases (none vs 3) and iOS requirement (12.0 vs 14.0). MultiiCalc's advantage is update cadence (monthly vs every 10 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. MultiiCalc sells 3 one-off in-app purchases. WP 31s asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for WP 31s against 5.0 for MultiiCalc. Both are backed by a comparable volume of ratings — 15 and 9 respectively. Written reviews are what separate them: 100% of WP 31s's written reviews are positive against 50% of MultiiCalc's.

WP 31s ships an update every 10 months, MultiiCalc monthly. The most recent releases landed on September 25, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | WP 31s | MultiiCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (15 ratings)](https://appshunter.io/ios/app/wp-31s/id973621300/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/multiicalc/id1520137742/reviews)** |
| Number of ratings | **15** | 9 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 5 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pascal Meheut](https://appshunter.io/developer/620255097) | [Christina Schell](https://appshunter.io/developer/1520137744) |

## What reviewers say

### 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


### MultiiCalc

[App page](https://appshunter.io/ios/app/multiicalc/id1520137742)

Save and reuse your important calculations. This tool lets you store named values to easily perform complex financial or cost analyses without losing track of intermediate steps. Share your results with others or export them to different applications.

**Highlights:** Save notable calculations by name, Calculate against saved list items, Track complex financial analyses, Share calculations with friends, Export calculations to other apps, No analytics or tracking

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Generous Tip | $1.99 | one-time |
| A Hefty Tip | $3.99 | one-time |
| A Lavish Tip | $6.99 | one-time |


## Frequently asked questions

### Is WP 31s free?

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

### Is MultiiCalc free?

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

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

MultiiCalc is rated higher. WP 31s averages 4.9 out of 5 from 15 ratings, while MultiiCalc averages 5.0 from 9 ratings.

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

Neither WP 31s nor MultiiCalc shows ads.

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

WP 31s ships an update every 10 months, and MultiiCalc monthly. Most recently, WP 31s was updated on September 25, 2026 and MultiiCalc on October 3, 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.*