# TrueOhm vs Voltage Drop Pro

The clearest difference is in-app purchases: TrueOhm at none against Voltage Drop Pro's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Voltage Drop Pro sells 1 one-off in-app purchase. TrueOhm asks for nothing beyond the download.

## The numbers

| Metric | TrueOhm | Voltage Drop Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Size | 2 MB | 39 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nicole Nalley](https://appshunter.io/developer/1894562817) | [BRUCE RAY MCCAMPBELL](https://appshunter.io/developer/6772438648) |

## What reviewers say

### TrueOhm

[App page](https://appshunter.io/ios/app/trueohm/id6772605137)

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

**In-app purchases:** none


### Voltage Drop Pro

[App page](https://appshunter.io/ios/app/voltage-drop-pro-electrician/id6781791471)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Voltage Drop Pro | $2.99 | one-time |


## Frequently asked questions

### Is TrueOhm free?

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

### Is Voltage Drop Pro free?

Voltage Drop Pro is free to download, with in-app purchases available.

### Do TrueOhm or Voltage Drop Pro have ads?

Neither TrueOhm nor Voltage Drop Pro 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.*