# i41CX vs i48

The clearest difference is price: i48 at Free against i41CX's $7.99. i48 also leads on in-app purchases (none vs 4) and ratings volume (196 vs 45). i41CX's advantage is rating (4.6 vs 3.5) and review sentiment (90% vs 54%). On ads and device support there is nothing between them.

i48 is free to download; i41CX costs $7.99 up front. i41CX sells 4 one-off in-app purchases. i48 asks for nothing beyond the download.

i41CX holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 45 and 196 respectively. Written reviews point the same way: 90% of i41CX's written reviews are positive against 54% of i48's.

i41CX ships an update every 5 weeks, i48 every 4 months. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | i41CX | i48 |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.6 (45 ratings)](https://appshunter.io/ios/app/i41cx/id292619450/reviews)** | [3.5 (196 ratings)](https://appshunter.io/ios/app/i48/id329454950/reviews) |
| Number of ratings | 45 | **196** |
| Positive reviews | **90.5% of reviews** | 54.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#178** | — |
| Size | 135 MB | 4 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Lagana](https://appshunter.io/developer/289068868) | [Automagic Software Pty Ltd](https://appshunter.io/developer/329454953) |

## What reviewers say

### i41CX

[App page](https://appshunter.io/ios/app/i41cx/id292619450)

**Currently charting:** #178 Top Paid · Productivity (US App Store)

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.

**Highlights:** 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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Overlays Upgrade | $2.99 | one-time |
| Printer Upgrade | $3.99 | one-time |
| CAS Upgrade | $7.99 | one-time |
| i41CX+ Features Upgrade | $17.99 | one-time |


### i48

[App page](https://appshunter.io/ios/app/i48/id329454950)

This application emulates the HP48GX calculator on your iPhone or iPod touch. It allows you to perform complex calculations like matrix operations and function integration on the go.

**Highlights:** HP48GX calculator emulation, Matrix calculations, Function integration, Mobile calculator, On-the-go calculations

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Realistic HP48 emulation
- 🚀 Great functionality and features
- 💡 Useful unit conversions
- 👍 Familiar interface for HP48 users

**What reviewers complain about**

- 🐛 Freezes and crashes
- 🐛 Unresponsive buttons and input issues
- 🐛 Compatibility issues with newer iOS versions
- 🔋 Performance and battery drain problems

**Reported bugs**

- Memory recovery prompt not working
- Cursor keys behaving erratically
- Equation solver locking up the app
- Keyboard issues on certain devices

**Requested features**

- Landscape mode support
- Improved display resolution and graphics
- Haptic feedback for button presses
- Ability to assign units to numbers


## Frequently asked questions

### Is i41CX free?

i41CX costs $7.99, and also offers in-app purchases.

### Is i48 free?

i48 is free to download, with no in-app purchases.

### Which has better reviews, i41CX or i48?

i41CX is rated higher. i41CX averages 4.6 out of 5 from 45 ratings, while i48 averages 3.5 from 196 ratings.

### Do i41CX or i48 have ads?

Neither i41CX nor i48 shows ads.

### Which is updated more often, i41CX or i48?

i41CX ships an update every 5 weeks, and i48 every 4 months. Most recently, i41CX was updated on October 17, 2026 and i48 on October 8, 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.*