# Fault Current Calculator vs Electrical Calculator lite

The clearest difference is rating: Electrical Calculator lite at 4.6 against Fault Current Calculator's 3.1. Electrical Calculator lite also leads on review sentiment (41% vs 0%) and update cadence (every 5 weeks vs every 4 months). Fault Current Calculator's advantage is ads (none vs shown) and iOS requirement (14.0 vs 17.6). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Fault Current Calculator sells 2 in-app purchases, starting at $4.99 per month and Electrical Calculator lite sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Electrical Calculator lite holds the better App Store score, 4.6 against 3.1. That said, the two scores are not equally well evidenced: Electrical Calculator lite has 574 ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 0% of Fault Current Calculator's written reviews are positive against 41% of Electrical Calculator lite's.

Fault Current Calculator ships an update every 4 months, Electrical Calculator lite every 5 weeks. The most recent releases landed on August 20, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Fault Current Calculator | Electrical Calculator lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (23 ratings)](https://appshunter.io/ios/app/fault-current-calculator/id647477910/reviews) | **[4.6 (574 ratings)](https://appshunter.io/ios/app/electrical-calculator-lite/id922903696/reviews)** |
| Number of ratings | 23 | **574** |
| Positive reviews | 0.0% of reviews | **40.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 25 MB | 65 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Cooper Bussmann, LLC](https://appshunter.io/developer/609315535) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## What reviewers say

### Fault Current Calculator

[App page](https://appshunter.io/ios/app/fault-current-calculator/id647477910)

This tool helps contractors, engineers, and electricians quickly calculate available fault current on single and three-phase electrical systems. It also assists in sizing fuses and conductors for various circuits and can generate labels for service equipment.

**Highlights:** Calculate available fault current, Size fuses and conductors, Generate service equipment labels, Single and three-phase system support, NEC® 110.24 compliance

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Subscription | $4.99 | per month |
| Pro Annual Subscription | $39.99 | per year |


### Electrical Calculator lite

[App page](https://appshunter.io/ios/app/electrical-calculator-lite/id922903696)

This comprehensive tool offers over 60 calculators and 16 converters for electrical engineering, wiring, and circuit analysis. It supports engineers, electricians, students, and hobbyists with calculations ranging from basic Ohm's Law to complex RLC circuits and power conversions.

**Highlights:** 60+ Electrical Calculators, 16 Electrical Unit Converters, Ohm's Law Calculations, RLC Circuit Analysis, Power and Current Calculations, Transformer Calculations, Wire Size Selector

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 16 Electrical Converters | $0.99 | one-time |
| Electrical Calculators | $3.99 | one-time |

**What reviewers like**

- 👍 Very helpful formulas for homework
- 👍 Easy to use interface
- 👍 Comprehensive electricity app, a true Swiss Army knife
- 👍 Well-designed, intuitive, and aesthetic interface
- 👍 Great for work, very useful

**What reviewers complain about**

-  anúncios são muito irritantes
- 💰 Useful features are paywalled (RMS calculator, transformer calculator, MVA/current calculator)
- 💰 Costs too much
- 💰 Extremely basic calculators, rest require purchase
- 💰 Unlock option doesn't work

**Reported bugs**

- Unlock option doesn’t work
- Voltage drop calculator is incorrect compared to other apps

**Requested features**

- Output vs frequency sweep plotting for resonance points or impedance graphs for RL and RC circuits
- Add MHz option for capacitive and inductive reactance calculators
- Add MHz option for resonance frequency calculator


## Frequently asked questions

### Is Fault Current Calculator free?

Fault Current Calculator is free to download, with in-app purchases available.

### Is Electrical Calculator lite free?

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

### Which has better reviews, Fault Current Calculator or Electrical Calculator lite?

Electrical Calculator lite is rated higher. Fault Current Calculator averages 3.1 out of 5 from 23 ratings, while Electrical Calculator lite averages 4.6 from 574 ratings.

### Do Fault Current Calculator or Electrical Calculator lite have ads?

Electrical Calculator lite shows ads; Fault Current Calculator does not.

### Which is updated more often, Fault Current Calculator or Electrical Calculator lite?

Fault Current Calculator ships an update every 4 months, and Electrical Calculator lite every 5 weeks. Most recently, Fault Current Calculator was updated on August 20, 2026 and Electrical Calculator lite on September 28, 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.*