# RPN vs WP 34s

The clearest difference is rating: WP 34s at 4.7 against RPN's 4.0. WP 34s also leads on ratings volume (29 vs 4) and review sentiment (93% vs 83%). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WP 34s holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: WP 34s has 29 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 83% of RPN's written reviews are positive against 93% of WP 34s's.

RPN ships an update every 5 months, WP 34s every 4 months. The most recent releases landed on October 20, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | RPN | WP 34s |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/rpn-67-np/id603100249/reviews) | **[4.7 (29 ratings)](https://appshunter.io/ios/app/wp-34s/id620255094/reviews)** |
| Number of ratings | 4 | **29** |
| Positive reviews | 83.3% of reviews | **92.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 38 MB | 11 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CuVee Software](https://appshunter.io/developer/424873503) | [Pascal Meheut](https://appshunter.io/developer/620255097) |

## What reviewers say

### RPN

[App page](https://appshunter.io/ios/app/rpn-67-np/id603100249)

This app simulates a legendary vintage scientific calculator, offering a "live" display of its internal states and a virtual paper tape printer. It allows loading and running original sample programs, with advanced features that can be switched off for an authentic experience.

**Highlights:** Live display of stack and registers, Virtual paper tape printer, Email or print paper tape, Cut/copy/paste display value, 30 selectable background images, Non-volatile memory

**Features:** macOS Compatibility

**In-app purchases:** none


### WP 34s

[App page](https://appshunter.io/ios/app/wp-34s/id620255094)

This app is a powerful RPN scientific calculator with extensive functions for mathematics, statistics, programming, and engineering. It includes programmer functions, fraction mode, probability distributions, and a stopwatch, offering a comprehensive tool for complex calculations.

**Highlights:** RPN scientific calculator implementation, Programmer functions (binary, octal, hexadecimal), Fraction mode and probability distributions, Stopwatch with real-time clock, Mathematical, statistical, and financial functions, Unit conversions and physical constants, Extended character sets for multiple languages

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RPN free?

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

### Is WP 34s free?

WP 34s is free to download, with no in-app purchases.

### Which has better reviews, RPN or WP 34s?

WP 34s is rated higher. RPN averages 4.0 out of 5 from 4 ratings, while WP 34s averages 4.7 from 29 ratings.

### Do RPN or WP 34s have ads?

Neither RPN nor WP 34s shows ads.

### Which is updated more often, RPN or WP 34s?

RPN ships an update every 5 months, and WP 34s every 4 months. Most recently, RPN was updated on October 20, 2026 and WP 34s on October 23, 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.*