# i41CX+ vs WP 34s

The clearest difference is price: WP 34s at Free against i41CX+'s $24.99. WP 34s also leads on iOS requirement (12.0 vs 15.0). i41CX+'s advantage is update cadence (every 5 weeks vs every 4 months) and chart position (#136 vs unranked). On rating, review sentiment, ads and in-app purchases there is nothing between them.

WP 34s is free to download; i41CX+ costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for i41CX+ against 4.7 for WP 34s. Both are backed by a comparable volume of ratings — 107 and 28 respectively. Written reviews are what separate them: 91% of i41CX+'s written reviews are positive against 93% of WP 34s's.

i41CX+ ships an update every 5 weeks, WP 34s every 4 months. The most recent releases landed on October 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | i41CX+ | WP 34s |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | **[4.8 (107 ratings)](https://appshunter.io/ios/app/i41cx-plus/id289068865/reviews)** | [4.7 (28 ratings)](https://appshunter.io/ios/app/wp-34s/id620255094/reviews) |
| Number of ratings | **107** | 28 |
| Positive reviews | 91.3% of reviews | **92.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#136** | — |
| Size | 124 MB | 11 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Lagana](https://appshunter.io/developer/289068868) | [Pascal Meheut](https://appshunter.io/developer/620255097) |

## What reviewers say

### i41CX+

[App page](https://appshunter.io/ios/app/i41cx-plus/id289068865)

**Currently charting:** #136 Top Paid · Productivity (US App Store)

This advanced RPN scientific calculator offers workstation-class Computer Algebra System (CAS) capabilities, going beyond traditional replicas. It provides access to an extensive library of modules and programs, enhanced with iOS features, customizable skins, and iCloud support for seamless data management.

**Highlights:** RPN logic with 4-element stack, Extensive memory registers, Over 400 built-in functions, Computer Algebra System (CAS), Virtual thermal printer/plotter, Access to HP-41 module library, Customizable skins and keyboard overlays

**In-app purchases:** none

**What reviewers like**

- 🚀 Fantastic emulation of the original HP41 calculator
- 🔒 Faithful to the original hardware and functionality
- 👍 Includes all the expansion modules and accessories
- 👍 Responsive and never crashes
- 👍 Excellent implementation of RPN and programmability

**What reviewers complain about**

- 🔋 Can drain battery when left on
- 👎 Small button size can lead to mis-taps
- 👎 Slow startup time in some versions

**Reported bugs**

- Issues with the 41Z math module producing garbled output
- Scaling problems with overlays

**Requested features**

- Landscape mode for better button size
- Haptic feedback for button presses
- Ability to load and save programs/modules via cloud/email
- Macros or scripting support


### 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 i41CX+ free?

i41CX+ costs $24.99, with no in-app purchases.

### Is WP 34s free?

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

### Which has better reviews, i41CX+ or WP 34s?

i41CX+ is rated higher. i41CX+ averages 4.8 out of 5 from 107 ratings, while WP 34s averages 4.7 from 28 ratings.

### Do i41CX+ or WP 34s have ads?

Neither i41CX+ nor WP 34s shows ads.

### Which is updated more often, i41CX+ or WP 34s?

i41CX+ ships an update every 5 weeks, and WP 34s every 4 months. Most recently, i41CX+ was updated on October 14, 2026 and WP 34s on September 20, 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.*