my41CX vs HP41CV
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
my41CX
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.
- True microcode emulation
- Modern user interface
- Expandable with ROM modules
- Built-in documentation
- 100% hardware-accurate behavior
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The most accurate HP-41CX emulator available. my41cx delivers full microcode-level emulation of the legendary NUT processor, reproducing every behavior of the original hardware with complete fidelity. Built and refined over three major releases, my41cx v3 combines the precision of real hardware emulation with a modern interface designed for daily use. Key Features: - True Microcode Emulation: Not a simulation—an actual NUT processor emulator running original microcode for 100% hardware-accurate behavior. - Modern Interface, Classic Soul: A completely redesigned UI built for today's devices while preserving the authentic feel of the original calculator. - Expandable with ROM Modules: Load external ROM modules to extend the system, just like the real HP-41CX. - Built-in Documentation: Access manuals and reference material directly within the app—no need to search for PDFs. Perfect for engineers, students, scientists, and anyone who appreciates the elegance of HP's finest programmable calculator. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
HP41CV
Experience the functionality of a classic 90s pocket calculator on your iPhone. This app offers UPN calculation with a basic course for new users. Many core functions are available for free, with advanced features offered as optional upgrades.
- HP-41 CV calculator emulation
- UPN (Reverse Polish Notation) calculation
- Basic UPN course with examples
- Core functions available for free
- Optional advanced features
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The HP-41 CV for your iPhone! The HP-41 CV was the best and handiest Pocket Calculator in the 90íst. (Part of the Apollo missions!) A UPN calculation with the same genial handling is now available for your iPhone. For all users, not familiar with the UPN Concept, a Basic course with examples is included. The most functions of the HP 41 CV are available free. In addition statistic functions, programmability, persistent Key assignment and new functions like printing will be available as option.
Screenshots
Verdict
The clearest difference is rating: my41CX at 5.0 against HP41CV's 2.8. my41CX also leads on review sentiment (43% vs 12%) and update cadence (every 2 months vs every 73 months). HP41CV's advantage is in-app purchases (none vs 3) and ratings volume (22 vs 1). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. my41CX sells 3 in-app purchases, starting at $0.99 per month. HP41CV asks for nothing beyond the download.
my41CX holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: HP41CV has 22 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 43% of my41CX's written reviews are positive against 12% of HP41CV's.
my41CX ships an update every 2 months, HP41CV every 73 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | my41CX | HP41CV |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 2.8 (22 ratings) |
| Positive reviews | 43.4% of reviews — better | 11.8% of reviews |
| Number of ratings | 1 | 22 — better |
| Update frequency | Every 2 months — better | Every 73 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Miroslav Perovic | Jurgen Anton Strohmer |
Customer experience
my41CX
HP41CV
Bugs and requests
my41CX
Reported bugs
38 issues- 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
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- GUI no longer accurate visual reproduction
- Incompatible with IOS 13.2
- Crashes systematically on hitting any key
- App closes after launch
- Not functional
- Unusable
- Crashes on startup
- App closes when touching keys
- Reverts to main screen when pressing buttons
- Flashes on screen and disappears
- Instant shutdown when trying to use it
- Shuts down as soon as screen is touched
- Shuts down when attempting to tap any key
- Crashes constantly after IOS update
- Closes the app as soon as you touch the screen
- Stopped working with iso 13.3
- Crashes as soon as I touch a key
- Broken on iOS 13.2
- Font for unshifted keys too small
- Functions faint and blurry
- Freezes when executing commands
- Low contrast
- No key feedback
- Unstable and crashes
- Slow performance
- Stopwatch function not real time
- Memory not reliably retained
- Loses all work
- Massive memory leaks
- Trashes program
- Incredibly slow
- Locks up
- Glitches while switching modes
Requested features
5 requests- Larger buttons
- Option for tactile/Haptic feedback for keys
- Option for beep sound
- Instructions for mod files
- Better Mac UI
HP41CV
Not enough reviews yet to summarise bugs or requests.
In-app purchases
my41CX
- Monthly$0.991 Month
- Yearly Premium$9.991 Year
- Unlock Full App$19.99
HP41CV
No in-app purchases
