# Ohms Law vs Kitchen Display System

The clearest difference is ads: Kitchen Display System at none against Ohms Law's shown. Kitchen Display System also leads on update cadence (every 6 days vs every 16 months). On price, in-app purchases, device support and iOS requirement 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 ships an update every 16 months, Kitchen Display System every 6 days. The most recent releases landed on September 6, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Ohms Law | Kitchen Display System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/ohms-law/id590727537/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 6 days** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 36 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Pro Certs Software Ltd](https://appshunter.io/developer/444429696) | [Cowlar Design Studios](https://appshunter.io/developer/1682871854) |

## 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


### Kitchen Display System

[App page](https://appshunter.io/ios/app/kitchen-display-system/id6740653220)

**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 Kitchen Display System free?

Kitchen Display System is free to download, with no in-app purchases.

### Do Ohms Law or Kitchen Display System have ads?

Ohms Law shows ads; Kitchen Display System does not.

### Which is updated more often, Ohms Law or Kitchen Display System?

Ohms Law ships an update every 16 months, and Kitchen Display System every 6 days. Most recently, Ohms Law was updated on September 6, 2026 and Kitchen Display System on September 24, 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.*