# i48 vs Electrical Calculations

The clearest difference is rating: Electrical Calculations at 4.6 against i48's 3.5. Electrical Calculations also leads on review sentiment (87% vs 54%) and update cadence (every 3 weeks vs every 4 months). i48's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. Electrical Calculations sells 3 in-app purchases, starting at $3.99 per 3 months. i48 asks for nothing beyond the download.

Electrical Calculations holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 196 and 128 respectively. Written reviews point the same way: 54% of i48's written reviews are positive against 87% of Electrical Calculations's.

i48 ships an update every 4 months, Electrical Calculations every 3 weeks. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | i48 | Electrical Calculations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (196 ratings)](https://appshunter.io/ios/app/i48/id329454950/reviews) | **[4.6 (128 ratings)](https://appshunter.io/ios/app/electrical-calculations/id993232048/reviews)** |
| Number of ratings | **196** | 128 |
| Positive reviews | 54.2% of reviews | **86.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 56 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Automagic Software Pty Ltd](https://appshunter.io/developer/329454953) | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) |

## What reviewers say

### 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


### Electrical Calculations

[App page](https://appshunter.io/ios/app/electrical-calculations/id993232048)

This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.

**Highlights:** Wire size and voltage drop calculations, Power, current, and resistance calculations, Motor performance and connection diagrams, Electronic component calculations, Extensive unit conversions, PDF report generation, Support for IEC, CEI, NEC, CEC standards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Version (3 months) | $3.99 | per 3 months |
| PRO Version (1 year) | $7.49 | per year |
| PRO Version (Lifetime) | $89.99 | one-time |


## Frequently asked questions

### Is i48 free?

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

### Is Electrical Calculations free?

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

### Which has better reviews, i48 or Electrical Calculations?

Electrical Calculations is rated higher. i48 averages 3.5 out of 5 from 196 ratings, while Electrical Calculations averages 4.6 from 128 ratings.

### Do i48 or Electrical Calculations have ads?

Electrical Calculations shows ads; i48 does not.

### Which is updated more often, i48 or Electrical Calculations?

i48 ships an update every 4 months, and Electrical Calculations every 3 weeks. Most recently, i48 was updated on October 8, 2026 and Electrical Calculations on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*