# WP 34s vs DB40X

WP 34s and DB40X both sit at 4.7 stars, but that hides the real split: 93% of WP 34s's written reviews are positive against 67% of DB40X's. WP 34s also leads on ratings volume (28 vs 7) and iOS requirement (12.0 vs 14.0). DB40X's advantage is update cadence (every 3 weeks vs every 4 months). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.7 for WP 34s against 4.7 for DB40X. Both are backed by a comparable volume of ratings — 28 and 7 respectively. Written reviews are what separate them: 93% of WP 34s's written reviews are positive against 67% of DB40X's.

WP 34s ships an update every 4 months, DB40X every 3 weeks. The most recent releases landed on September 20, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | WP 34s | DB40X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (28 ratings)](https://appshunter.io/ios/app/wp-34s/id620255094/reviews) | **[4.7 (7 ratings)](https://appshunter.io/ios/app/db40x/id6624315901/reviews)** |
| Number of ratings | **28** | 7 |
| Positive reviews | **92.6% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 11 MB | 7 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pascal Meheut](https://appshunter.io/developer/620255097) | [Christophe de Dinechin](https://appshunter.io/developer/1761608161) |

## What reviewers say

### 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


### DB40X

[App page](https://appshunter.io/ios/app/db40x/id6624315901)

A high-precision scientific calculator inspired by the HP48 series, offering arbitrary precision computations, complex numbers, vectors, matrices, and graphing. It supports RPN and algebraic operations, with over 1000 built-in functions and a hyperlinked help system.

**Highlights:** Arbitrary precision computations, RPN and algebraic operations, Complex numbers, vectors, and matrices, Graphing and plotting, Engineering units and conversions, Hyperlinked help system

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WP 34s free?

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

### Is DB40X free?

DB40X is free to download, with no in-app purchases.

### Which has better reviews, WP 34s or DB40X?

DB40X is rated higher. WP 34s averages 4.7 out of 5 from 28 ratings, while DB40X averages 4.7 from 7 ratings.

### Do WP 34s or DB40X have ads?

Neither WP 34s nor DB40X shows ads.

### Which is updated more often, WP 34s or DB40X?

WP 34s ships an update every 4 months, and DB40X every 3 weeks. Most recently, WP 34s was updated on September 20, 2026 and DB40X on June 4, 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.*