# Ohmly vs FieldCalc Pro

The clearest difference is in-app purchases: Ohmly at none against FieldCalc Pro's 2. FieldCalc Pro's advantage is iOS requirement (18.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. FieldCalc Pro sells 2 in-app purchases, starting at $4.99 per month. Ohmly asks for nothing beyond the download.

## The numbers

| Metric | Ohmly | FieldCalc Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 7 MB | 2 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Adam Wilkie](https://appshunter.io/developer/893612520) | [Troy Bearden](https://appshunter.io/developer/1863167432) |

## 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


### FieldCalc Pro

[App page](https://appshunter.io/ios/app/fieldcalc-pro/id6758321103)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FieldCalc Pro Monthly | $4.99 | per month |
| FieldCalc Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Ohmly free?

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

### Is FieldCalc Pro free?

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

### Do Ohmly or FieldCalc Pro have ads?

Neither Ohmly nor FieldCalc 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.*