# Ohms Law Calc. vs Electronics Circuit Calc Pro

The clearest difference is review sentiment: Ohms Law Calc. at 50% against Electronics Circuit Calc Pro's 0%. Ohms Law Calc. also leads on price (Free vs $3.99) and rating (4.7 vs 4.3). Electronics Circuit Calc Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Ohms Law Calc. is free to download; Electronics Circuit Calc Pro costs $3.99 up front. Ohms Law Calc. sells 1 one-off in-app purchase. Electronics Circuit Calc Pro asks for nothing beyond the download.

Ohms Law Calc. holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Ohms Law Calc. has 1.3K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Ohms Law Calc.'s written reviews are positive against 0% of Electronics Circuit Calc Pro's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ohms Law Calc. | Electronics Circuit Calc Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.7 (1.3K ratings)](https://appshunter.io/ios/app/ohms-law-calc/id491898006/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/electronics-circuit-calc-pro/id1583600520/reviews) |
| Number of ratings | **1.3K** | 3 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 59 MB | 31 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## 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


### Electronics Circuit Calc Pro

[App page](https://appshunter.io/ios/app/electronics-circuit-calc-pro/id1583600520)

This app provides a comprehensive suite of calculators and design tools for electronic engineering projects. It assists with circuit design, filter analysis, and calculations for various components like resistors, capacitors, and inductors. Ideal for both professionals and students, it simplifies complex electronic tasks.

**Highlights:** Circuit design tools, Filter design with graph plotting, Resistor, capacitor, inductor design, Amplifier calculations, Ohm's Law calculator, 555 timer calculator, PCB trace width calculator

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

**In-app purchases:** none


## Frequently asked questions

### Is Ohms Law Calc. free?

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

### Is Electronics Circuit Calc Pro free?

Electronics Circuit Calc Pro costs $3.99, with no in-app purchases.

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

Ohms Law Calc. is rated higher. Ohms Law Calc. averages 4.7 out of 5 from 1.3K ratings, while Electronics Circuit Calc Pro averages 4.3 from 3 ratings.

### Do Ohms Law Calc. or Electronics Circuit Calc Pro have ads?

Ohms Law Calc. shows ads; Electronics Circuit Calc Pro does not.

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

Ohms Law Calc. ships an update every 2 months, and Electronics Circuit Calc Pro every 2 months. Most recently, Ohms Law Calc. was updated on October 27, 2026 and Electronics Circuit Calc Pro on October 24, 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.*