HP41CV vs HP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
HP
Emulates classic Hewlett Packard RPN scientific calculators from the 1970s. Experience the original HP-35, HP-45, and HP-21 models on your iPhone.
- RPN calculator emulation
- HP-35 model
- HP-45 model
- HP-21 model
- Classic scientific calculator interface
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The classic Hewlett Packard RPN (Reverse Polish Notation) calculators. - HP-35, HP-45. First pocket scientific calculators (1972). - HP-21. 2nd gen of the HP-35 (1975)
Screenshots
Verdict
The clearest difference is review sentiment: HP at 100% against HP41CV's 12%. HP also leads on rating (5.0 vs 2.8) and update cadence (every 11 days vs every 73 months). HP41CV's advantage is ratings volume (22 vs 5) and device support (3 vs 1). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
HP holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 22 and 5 respectively. Written reviews point the same way: 12% of HP41CV's written reviews are positive against 100% of HP's.
HP41CV ships an update every 73 months, HP every 11 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.
| Parameter | HP41CV | HP |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (22 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 11.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 22 — better | 5 |
| Update frequency | Every 73 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 8 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Jurgen Anton Strohmer | Enrique Haro |
Customer experience
HP41CV
HP
In-app purchases
HP41CV
No in-app purchases
HP
No in-app purchases
