# Ohms Law Calc. vs Matrix math calculator

The clearest difference is review sentiment: Ohms Law Calc. at 50% against Matrix math calculator's 0%. Ohms Law Calc. also leads on rating (4.7 vs 1.5) and ratings volume (1.3K vs 2). Matrix math calculator's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Ohms Law Calc. sells 1 one-off in-app purchase. Matrix math calculator asks for nothing beyond the download.

Ohms Law Calc. holds the better App Store score, 4.7 against 1.5. That said, the two scores are not equally well evidenced: Ohms Law Calc. has 1.3K ratings behind it against 2, 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 Matrix math calculator's.

Ohms Law Calc. ships an update every 2 months, Matrix math calculator every 3 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ohms Law Calc. | Matrix math calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.3K ratings)](https://appshunter.io/ios/app/ohms-law-calc/id491898006/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/matrix-math-calculator/id993273855/reviews) |
| Number of ratings | **1.3K** | 2 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 59 MB | 52 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [camilo arcila](https://appshunter.io/developer/993049913) |

## 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


### Matrix math calculator

[App page](https://appshunter.io/ios/app/matrix-math-calculator/id993273855)

Perform various matrix operations including addition, subtraction, and multiplication. Calculate the transposed matrix, adjoint, inverse, determinant, and rank. Supports matrices of any size (MxN).

**Highlights:** Matrix Addition, Matrix Subtraction, Matrix Multiplication, Transposed Matrix, Adjoint Matrix, Inverse Matrix, Determinant Calculation, Rank Calculation

**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 Matrix math calculator free?

Matrix math calculator is free to download, with no in-app purchases.

### Which has better reviews, Ohms Law Calc. or Matrix math calculator?

Ohms Law Calc. is rated higher. Ohms Law Calc. averages 4.7 out of 5 from 1.3K ratings, while Matrix math calculator averages 1.5 from 2 ratings.

### Do Ohms Law Calc. or Matrix math calculator have ads?

Ohms Law Calc. shows ads; Matrix math calculator does not.

### Which is updated more often, Ohms Law Calc. or Matrix math calculator?

Ohms Law Calc. ships an update every 2 months, and Matrix math calculator every 3 months. Most recently, Ohms Law Calc. was updated on October 28, 2026 and Matrix math calculator on October 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.*