# Ohms Law Calc. vs SuBinary 10

The clearest difference is ratings volume: Ohms Law Calc. at 1.3K against SuBinary 10's 3. SuBinary 10's advantage is rating (5.0 vs 4.7) and iOS requirement (15.6 vs 17.6). On price, update cadence, ads 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 SuBinary 10 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SuBinary 10 holds the better App Store score, 5.0 against 4.7. 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.

Ohms Law Calc. ships an update every 2 months, SuBinary 10 every 6 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Ohms Law Calc. | SuBinary 10 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.3K ratings)](https://appshunter.io/ios/app/ohms-law-calc/id491898006/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/subinary-10/id1434307389/reviews)** |
| Number of ratings | **1.3K** | 3 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 59 MB | 15 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Enes Akkus](https://appshunter.io/developer/1416782412) |

## 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


### SuBinary 10

[App page](https://appshunter.io/ios/app/subinary-10/id1434307389)

Easily convert between binary, decimal, hexadecimal, and octal number systems. Simply input your values into the text area and let the application perform the conversions for you.

**Highlights:** Binary to Decimal conversion, Hexadecimal to Octal conversion, Supports multiple number systems, Intuitive text input, Real-time conversions

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Ohms Law Calc. free?

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

### Is SuBinary 10 free?

SuBinary 10 is free to download, with in-app purchases available.

### Which has better reviews, Ohms Law Calc. or SuBinary 10?

SuBinary 10 is rated higher. Ohms Law Calc. averages 4.7 out of 5 from 1.3K ratings, while SuBinary 10 averages 5.0 from 3 ratings.

### Do Ohms Law Calc. or SuBinary 10 have ads?

Both Ohms Law Calc. and SuBinary 10 show ads.

### Which is updated more often, Ohms Law Calc. or SuBinary 10?

Ohms Law Calc. ships an update every 2 months, and SuBinary 10 every 6 weeks. Most recently, Ohms Law Calc. was updated on November 1, 2026 and SuBinary 10 on November 2, 2026.

---

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