# Ohms Law vs Airplus

The clearest difference is review sentiment: Ohms Law at 70% against Airplus's 17%. Ohms Law also leads on rating (4.3 vs 2.8). Airplus's advantage is ads (none vs shown) and update cadence (every 4 months vs every 16 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ohms Law holds the better App Store score, 4.3 against 2.8. Both are backed by a comparable volume of ratings — 7 and 16 respectively. Written reviews point the same way: 70% of Ohms Law's written reviews are positive against 17% of Airplus's.

Ohms Law ships an update every 16 months, Airplus every 4 months. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Ohms Law | Airplus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/ohms-law/id590727537/reviews)** | [2.8 (16 ratings)](https://appshunter.io/ios/app/airplus/id6444922947/reviews) |
| Number of ratings | 7 | **16** |
| Positive reviews | **70.0% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 4 months** |
| Monetization | Ad-supported | **Free** |
| Size | 12 MB | 14 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pro Certs Software Ltd](https://appshunter.io/developer/444429696) | [广州市锐益科技有限公司](https://appshunter.io/developer/1556568220) |

## What reviewers say

### Ohms Law

[App page](https://appshunter.io/ios/app/ohms-law/id590727537)

This utility app calculates voltage, current, resistance, and power using Ohm's Law. Simply input any two values, and the app will compute the remaining two, providing a comprehensive tool for electrical calculations.

**Highlights:** Calculate Voltage, Calculate Current, Calculate Resistance, Calculate Power, Input two values to find others

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

**In-app purchases:** none


### Airplus

[App page](https://appshunter.io/ios/app/airplus/id6444922947)

This mobile application allows users to adjust audio quality to meet various needs. It provides sound effects to enhance your listening experience.

**Highlights:** Mobile audio tuning, Customizable sound effects, Adjustable audio quality, Enhance listening experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ohms Law free?

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

### Is Airplus free?

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

### Which has better reviews, Ohms Law or Airplus?

Ohms Law is rated higher. Ohms Law averages 4.3 out of 5 from 7 ratings, while Airplus averages 2.8 from 16 ratings.

### Do Ohms Law or Airplus have ads?

Ohms Law shows ads; Airplus does not.

### Which is updated more often, Ohms Law or Airplus?

Ohms Law ships an update every 16 months, and Airplus every 4 months. Most recently, Ohms Law was updated on October 14, 2026 and Airplus on October 20, 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.*