# Ohmly vs Voltage Drop.

The clearest difference is iOS requirement: Voltage Drop. at 13.0 against Ohmly's 26.0. On price, ads, 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.

## The numbers

| Metric | Ohmly | Voltage Drop. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 7 MB | 18 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adam Wilkie](https://appshunter.io/developer/893612520) | [Eyup Ensar ORAL](https://appshunter.io/developer/6772512446) |

## What reviewers say

### Ohmly

[App page](https://appshunter.io/ios/app/ohmly-electrical-calculator/id6447774551)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Voltage Drop.

[App page](https://appshunter.io/ios/app/voltage-drop/id6780509345)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ohmly free?

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

### Is Voltage Drop. free?

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

### Do Ohmly or Voltage Drop. have ads?

Neither Ohmly nor Voltage Drop. shows ads.

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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.*