# Ohms Law Calc. vs Binary_Calculator

The clearest difference is rating: Ohms Law Calc. at 4.7 against Binary_Calculator's 1.0. Ohms Law Calc. also leads on update cadence (every 2 months vs every 23 months) and ratings volume (1.3K vs 1). Binary_Calculator's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

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

Ohms Law Calc. holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Ohms Law Calc. has 1.3K ratings behind it against 1, so its average is the more settled of the two.

Ohms Law Calc. ships an update every 2 months, Binary_Calculator every 23 months. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Ohms Law Calc. | Binary_Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.3K ratings)](https://appshunter.io/ios/app/ohms-law-calc/id491898006/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/binary-calculator/id1611003861/reviews) |
| Number of ratings | **1.3K** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 23 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 59 MB | 27 MB |
| Requires iOS | 17.6 | **10.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Ahmad Sattar](https://appshunter.io/developer/1458483953) |

## 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


### Binary_Calculator

[App page](https://appshunter.io/ios/app/binary-calculator/id1611003861)

Easily perform arithmetic operations on binary numbers with this calculator. It offers basic and advanced modes, a history of past calculations, and an in-app binary keyboard for quick input. Get results in seconds with step-by-step solutions.

**Highlights:** Basic and advanced modes, Calculation history, In-app binary keyboard, Multiple arithmetic operations, Decimal to binary conversion, Step-wise solutions

**Features:** macOS Compatibility

**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 Binary_Calculator free?

Binary_Calculator is free to download, with no in-app purchases.

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

Ohms Law Calc. is rated higher. Ohms Law Calc. averages 4.7 out of 5 from 1.3K ratings, while Binary_Calculator averages 1.0 from 1 ratings.

### Do Ohms Law Calc. or Binary_Calculator have ads?

Ohms Law Calc. shows ads; Binary_Calculator does not.

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

Ohms Law Calc. ships an update every 2 months, and Binary_Calculator every 23 months. Most recently, Ohms Law Calc. was updated on October 14, 2026 and Binary_Calculator on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*