# my41CX vs O.connect X exivo

The clearest difference is in-app purchases: O.connect X exivo at none against my41CX's 3. O.connect X exivo also leads on iOS requirement (10.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. my41CX sells 3 in-app purchases, starting at $0.99 per month. O.connect X exivo asks for nothing beyond the download.

## The numbers

| Metric | my41CX | O.connect X exivo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/my41cx/id979041950/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 43.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 84 MB |
| Requires iOS | 26.0 | **10.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Miroslav Perovic](https://appshunter.io/developer/400748424) | [JSW PACIFIC CORPORATION](https://appshunter.io/developer/999731327) |

## What reviewers say

### my41CX

[App page](https://appshunter.io/ios/app/my41cx/id979041950)

Experience the most accurate HP-41CX calculator emulation. This app provides full microcode-level emulation of the original NUT processor, ensuring 100% hardware-accurate behavior. It features a modern interface, expandable ROM modules, and built-in documentation for a classic yet contemporary user experience.

**Highlights:** True microcode emulation, Modern user interface, Expandable with ROM modules, Built-in documentation, 100% hardware-accurate behavior

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly Premium | $9.99 | per year |
| Unlock Full App | $19.99 | one-time |

**What reviewers like**

- 👍 Excellent emulation of HP calculators
- ✨ Faithful look and feel
- 💯 Perfect functionality
- 🚀 Works perfectly on phones/iPads
- 💡 Great for RPN calculator users

**What reviewers complain about**

- 🐛 Buggy on Mac
- 🤏 Small characters on buttons
- 🐛 Locks up when running programs
- 🐛 Crashes under iOS 13.2.3
- 🐛 Application quits after touching screen

**Reported bugs**

- Cannot enter anything via keyboard on Mac
- Locks up when running a program
- Crashes under IOS 13.2.3
- Application quits after touching screen
- Keys 'V' and 'W' inverted when ALPHA mode is switched on

**Requested features**

- Larger buttons
- Option for tactile/Haptic feedback for keys
- Option for beep sound
- Instructions for mod files
- Better Mac UI


### O.connect X exivo

[App page](https://appshunter.io/ios/app/oconnect-x-exivo/id1575832348)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is my41CX free?

my41CX is free to download, with in-app purchases available.

### Is O.connect X exivo free?

O.connect X exivo is free to download, with no in-app purchases.

### Do my41CX or O.connect X exivo have ads?

Neither my41CX nor O.connect X exivo shows ads.

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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.*