# i41CX+ vs DB50X

The clearest difference is price: DB50X at $9.99 against i41CX+'s $24.99. DB50X also leads on rating (5.0 vs 4.8) and review sentiment (100% vs 91%). i41CX+'s advantage is ratings volume (106 vs 8). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

i41CX+ costs $24.99 and DB50X $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DB50X holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: i41CX+ has 106 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 91% of i41CX+'s written reviews are positive against 100% of DB50X's.

i41CX+ ships an update every 5 weeks, DB50X every 3 weeks. The most recent releases landed on September 23, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | i41CX+ | DB50X |
| --- | --- | --- |
| Price | $24.99 | **$9.99** |
| Rating | [4.8 (106 ratings)](https://appshunter.io/ios/app/i41cx-plus/id289068865/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/db50x/id6625971367/reviews)** |
| Number of ratings | **106** | 8 |
| Positive reviews | 91.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 123 MB | 7 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Lagana](https://appshunter.io/developer/289068868) | [Christophe de Dinechin](https://appshunter.io/developer/1761608161) |

## What reviewers say

### i41CX+

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

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


### DB50X

[App page](https://appshunter.io/ios/app/db50x/id6625971367)

This scientific calculator offers high-precision computations with arbitrary precision for numbers. It supports advanced functions like complex numbers, matrices, symbolic calculations, and graphing, with a user-friendly interface and extensive built-in help.

**Highlights:** Arbitrary precision calculations, RPN and algebraic operations, Complex numbers, vectors, matrices, Symbolic and numerical solving, Graphing and plotting, Engineering units and constants, Unicode text support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is i41CX+ free?

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

### Is DB50X free?

DB50X costs $9.99, with no in-app purchases.

### Which has better reviews, i41CX+ or DB50X?

DB50X is rated higher. i41CX+ averages 4.8 out of 5 from 106 ratings, while DB50X averages 5.0 from 8 ratings.

### Do i41CX+ or DB50X have ads?

Neither i41CX+ nor DB50X shows ads.

### Which is updated more often, i41CX+ or DB50X?

i41CX+ ships an update every 5 weeks, and DB50X every 3 weeks. Most recently, i41CX+ was updated on September 23, 2026 and DB50X on September 7, 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.*