# Ohms Law Calc. vs Electronics Kit

Ohms Law Calc. and Electronics Kit both sit at 4.7 stars, but that hides the real split: 91% of Electronics Kit's written reviews are positive against 50% of Ohms Law Calc.'s. Electronics Kit also leads on ads (none vs shown) and iOS requirement (9.0 vs 17.6). Ohms Law Calc.'s advantage is ratings volume (1.3K vs 65). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Ohms Law Calc. sells 1 one-off in-app purchase and Electronics Kit sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Ohms Law Calc. against 4.8 for Electronics Kit. That said, the two scores are not equally well evidenced: Ohms Law Calc. has 1.3K ratings behind it against 65, so its average is the more settled of the two. Written reviews are what separate them: 50% of Ohms Law Calc.'s written reviews are positive against 91% of Electronics Kit's.

Ohms Law Calc. ships an update every 2 months, Electronics Kit every 6 weeks. The most recent releases landed on September 8, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Ohms Law Calc. | Electronics Kit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.3K ratings)](https://appshunter.io/ios/app/ohms-law-calc/id491898006/reviews) | **[4.8 (65 ratings)](https://appshunter.io/ios/app/electronics-kit/id1190014476/reviews)** |
| Number of ratings | **1.3K** | 65 |
| Positive reviews | 50.0% of reviews | **91.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 59 MB | 53 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Siu Yuen Ho](https://appshunter.io/developer/814088527) |

## 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 Kit

[App page](https://appshunter.io/ios/app/electronics-kit/id1190014476)

This app offers a comprehensive suite of electronics tools and calculators for hobbyists and professionals. It includes features for component value calculation, pinout diagrams, and various electronic resources. Users can access a free version with ads or a PRO version for enhanced functionality and an ad-free experience.

**Highlights:** Component value calculators, Extensive pinout diagrams, Electronic resource library, SMD resistor code lookup, Ohm's law calculator, RC charging/discharging calculator, Frequency converter

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock no. of components limit | $0.99 | one-time |
| Unlock Pro feature | $1.99 | one-time |
| 'Show steps' in nodal analysis | $2.99 | one-time |
| Unlock controlled sources | $2.99 | one-time |
| 'Show steps' in equivalent cir | $3.99 | one-time |


## Frequently asked questions

### Is Ohms Law Calc. free?

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

### Is Electronics Kit free?

Electronics Kit is free to download, with in-app purchases available.

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

Electronics Kit is rated higher. Ohms Law Calc. averages 4.7 out of 5 from 1.3K ratings, while Electronics Kit averages 4.8 from 65 ratings.

### Do Ohms Law Calc. or Electronics Kit have ads?

Ohms Law Calc. shows ads; Electronics Kit does not.

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

Ohms Law Calc. ships an update every 2 months, and Electronics Kit every 6 weeks. Most recently, Ohms Law Calc. was updated on September 8, 2026 and Electronics Kit on September 25, 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.*