# Ohms Law Calc. vs ElectriCalc Pro

The clearest difference is ads: ElectriCalc Pro at none against Ohms Law Calc.'s shown. ElectriCalc Pro also leads on review sentiment (78% vs 50%) and rating (4.9 vs 4.7). Ohms Law Calc.'s advantage is update cadence (every 2 months vs every 10 months) and ratings volume (1.3K vs 354). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Ohms Law Calc. sells 1 one-off in-app purchase and ElectriCalc Pro sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ElectriCalc Pro holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 1.3K and 354 respectively. Written reviews point the same way: 50% of Ohms Law Calc.'s written reviews are positive against 78% of ElectriCalc Pro's.

Ohms Law Calc. ships an update every 2 months, ElectriCalc Pro every 10 months. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Ohms Law Calc. | ElectriCalc Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.3K ratings)](https://appshunter.io/ios/app/ohms-law-calc/id491898006/reviews) | **[4.9 (354 ratings)](https://appshunter.io/ios/app/electricalc-pro/id569677304/reviews)** |
| Number of ratings | **1.3K** | 354 |
| Positive reviews | 50.0% of reviews | **78.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 59 MB | 29 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Calculated Industries](https://appshunter.io/developer/370406449) |

## What reviewers say

### Ohms Law Calc.

[App page](https://appshunter.io/ios/app/ohms-law-calc/id491898006)

This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.

**Highlights:** Ohm's Law calculations, Voltage drop calculator, Wire size calculator, Impedance calculations (R, L, C), Electrical unit converters, Power and current conversions, Circuit design tools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ohms Law Calc. | $3.99 | one-time |

**What reviewers like**

- 🚀 Great value
- 🚀 Works perfectly
- 🚀 Fantastic app
- 👍 Best thing since sliced bread
- 🚀 Useful for electrical work

**What reviewers complain about**

- 👎 Have to pay again for an app already purchased
- 👎 Not easy to use
- 🐛 Paid but not unlocked, no response from developer
- 👎 Annoying pop-ups
- 🐛 Keeps shutting down

**Reported bugs**

- Paid version not unlocking
- Repeatedly prompting for payment after already paid
- Keyboard overlaying results making it difficult to see

**Requested features**

- Add more electrical conversions and calculations
- Add ability to input voltage and resistance to get amps and watts
- Add kVA, rms, and other popular needed conversions


### ElectriCalc Pro

[App page](https://appshunter.io/ios/app/electricalc-pro/id569677304)

This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.

**Highlights:** NEC compliant calculations, Wire and conduit sizing, Voltage drop calculations, Motor full-load amps, Ohm's Law solver, Built-in help and tutorials

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $4.99 | per month |
| 1 Year Full Access | $39.99 | per year |


## Frequently asked questions

### Is Ohms Law Calc. free?

Ohms Law Calc. is free to download, with in-app purchases available.

### Is ElectriCalc Pro free?

ElectriCalc Pro is free to download, with in-app purchases available.

### Which has better reviews, Ohms Law Calc. or ElectriCalc Pro?

ElectriCalc Pro is rated higher. Ohms Law Calc. averages 4.7 out of 5 from 1.3K ratings, while ElectriCalc Pro averages 4.9 from 354 ratings.

### Do Ohms Law Calc. or ElectriCalc Pro have ads?

Ohms Law Calc. shows ads; ElectriCalc Pro does not.

### Which is updated more often, Ohms Law Calc. or ElectriCalc Pro?

Ohms Law Calc. ships an update every 2 months, and ElectriCalc Pro every 10 months. Most recently, Ohms Law Calc. was updated on September 8, 2026 and ElectriCalc Pro on September 19, 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.*