i41CX vs MyScript Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
i41CX
This app offers a powerful RPN scientific calculator experience, functionally equivalent to a renowned model. It provides extensive memory registers, over 300 built-in functions, and programmability. Advanced features can be unlocked via in-app purchases.
- RPN logic with 4-element stack
- 319 main and 124 extended memory registers
- Over 300 built-in functions
- Programmable up to 2000 lines
- User-definable keyboard
- Bluetooth keyboard support
- Device integration features
Read full descriptionHide full description
i41CX is the same powerful advanced programmable RPN scientific calculator as the highly acclaimed i41CX+ but without the latter’s incredibly advanced capabilities such as the printer, expansion, CAS, etc. It is functionally equivalent to the world-renowned HP-41CX and inherits all of the i41CX+ usability features including extremely responsive and animated key clicks, audible key feedback sounds, optimally spaced keys for accurate input, traditional and upbeat modern diverse set of skins, etc. If you are looking for a powerful programmable RPN scientific calculator but don’t need all of the capabilities of i41CX+ then i41CX is for you. And best of all, if you ever decide that you need the more advanced capabilities of i41CX+ you can enable them using secure in-app purchases right within the app! FEATURES: • RPN logic with a 4 element deep memory stack • 319 main and 124 extended memory registers • Over 300 built-in functions, including nearly 100 functions created specifically for i41CX • Time, calendar, alarm, and stopwatch functions • Rich set of functions and algorithms: numerical, mathematical, statistical, and much more • Access to the entire HP-41 library of solutions for science, mathematics, statistics, engineering, business, financial, surveying, medicine, real estate, and many other domains • Programmable - Over 2000 lines • User definable keyboard • Ability to operate the calculator using a Bluetooth keyboard • Device integration: external display mirroring, copy and paste, GPS, accelerometer, digital compass, time and date synchronization, and much more • iOS 8 Notification Center widget • Sound support including synthetic tones and interface sounds • Support for calculator skins and optional mini stack display • Adjustable sound volume and display colors • Usage & Examples table with usage tips and examples • Quick reference guide of all built-in functions • Beautiful and clean user interface *********************************************************** A comprehensive FAQ is available at http://alsoftiphone.com/i41CX. Please don't hesitate to use the "Contact Us" link there if you cannot find the answers or information that you seek. Thank you.
MyScript Calculator
This app transforms your device into an interactive notepad for calculations. Simply write your math problems by hand, and it instantly provides results. Edit calculations with gestures, reuse past results, and export your work.
- Write calculations naturally
- Edit with gestures
- Drag and drop results
- Copy and export calculations
- Fraction display options
- Multi-line calculations
- Memory and history functions
Read full descriptionHide full description
The new MyScript© Calculator 2 makes daily math fun and easy! Calculator 2 turns your device into an interactive piece of paper. Simply write a calculation and it gets you the result in real time. Develop it further with editing gestures or by adding new elements anywhere. Reuse previous results with drag and drop. Calculator 2 interprets everything you do on the fly. Calculator 2 is based on MyScript Interactive Ink®, the next step for digital ink. It is the successor of the award-winning first handwriting calculator. BENEFITS AND FEATURES · Write calculations in an intuitive and natural way without a keyboard. · Erase easily by using scratch-out gestures to remove symbols and numbers. · Drag and drop numbers from and to the canvas, the memory bar or to an external app. · Copy your results to the clipboard or export them to other apps. · Fractions: Display results using decimals, fractions or mixed numbers. · Multi-line: Continue the same calculation on the next line or write several calculations on multiple lines. · Memory: Save results into memory. Reuse them anytime in your calculations. · History: Retrieve all your past calculations to reuse or export. SUPPORTED OPERATORS · Basic operations: +, -, ×, ÷, /, ·, : · Powers, roots, exponentials: 7², √, ∛, e³ · Miscellaneous operations: %, |5|, 3! · Brackets: ( ) · Trigonometry: sin, cos, tan, cot, cosh, sinh, tanh, coth · Inverse trigonometry: asin, acos, atan, acot, arcsin, arccos, arctan, arccot, acosh, asinh, atanh, acoth, arcosh, arsinh, artanh, arcoth · Logarithms: ln, log · Constants: π, e, phi
Screenshots
Verdict
The clearest difference is in-app purchases: MyScript Calculator at none against i41CX's 4. MyScript Calculator also leads on price ($2.99 vs $7.99) and ratings volume (1.5K vs 45). i41CX's advantage is review sentiment (90% vs 75%). On rating, update cadence, 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
i41CX costs $7.99 and MyScript Calculator $2.99 up front. i41CX sells 4 one-off in-app purchases. MyScript Calculator asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for i41CX against 4.5 for MyScript Calculator. That said, the two scores are not equally well evidenced: MyScript Calculator has 1.5K ratings behind it against 45, so its average is the more settled of the two. Written reviews are what separate them: 90% of i41CX's written reviews are positive against 75% of MyScript Calculator's.
i41CX ships an update every 5 weeks, MyScript Calculator every 3 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.
| Parameter | i41CX | MyScript Calculator |
|---|---|---|
| Price | $7.99 | $2.99 — better |
| Rating | 4.6 (45 ratings) — better | 4.5 (1.5K ratings) |
| Positive reviews | 90.5% of reviews — better | 74.7% of reviews |
| Number of ratings | 45 | 1.5K — better |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 134 MB | 14 MB |
| Age rating | +4 | 4+ |
| Developer | Antonio Lagana | MyScript |
Customer experience
i41CX
MyScript Calculator
Bugs and requests
i41CX
Not enough reviews yet to summarise bugs or requests.
MyScript Calculator
Reported bugs
3 issues- Incorrect calculation results for certain inputs
- Difficulty editing or correcting written expressions
- Inconsistent behavior when using the Apple Pencil
Requested features
5 requests- Add support for variables, equations, and advanced math functions
- Improve recognition of symbols, operators, and handwriting
- Increase writing space and allow scrolling/zooming
- Provide more customization options (e.g., font size, pen thickness)
- Integrate with other productivity apps (e.g., Notes, Nebo)
In-app purchases
i41CX
- Overlays Upgrade$2.99
- Printer Upgrade$3.99
- CAS Upgrade$7.99
Show 1 moreShow fewer
- i41CX+ Features Upgrade$17.99
MyScript Calculator
No in-app purchases









