# Ohms Law vs Megger Link

The clearest difference is review sentiment: Ohms Law at 70% against Megger Link's 20%. Megger Link's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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 ships an update every 16 months, Megger Link every 15 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Ohms Law | Megger Link |
| --- | --- | --- |
| 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** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 15 months** |
| Monetization | Ad-supported | **Free** |
| Size | 12 MB | 9 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) | [Megger](https://appshunter.io/developer/557595194) |

## 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


### Megger Link

[App page](https://appshunter.io/ios/app/megger-link/id1491183642)

View instrument readings digitally and graphically on your smartphone or tablet. Start data logging or download saved files directly from the instrument. Export data in CSV format for easy off-site analysis and reporting.

**Highlights:** Remote live reading display, Graphical trend viewing, Data file download, CSV data export, Initiate data logging

**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 Megger Link free?

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

### Do Ohms Law or Megger Link have ads?

Ohms Law shows ads; Megger Link does not.

### Which is updated more often, Ohms Law or Megger Link?

Ohms Law ships an update every 16 months, and Megger Link every 15 months. Most recently, Ohms Law was updated on November 1, 2026 and Megger Link on November 3, 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.*