# Electrical calculation vs Ohmica

The clearest difference is update cadence: Ohmica at every 3 weeks against Electrical calculation's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Electrical calculation sells 1 one-off in-app purchase and Ohmica sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Electrical calculation ships an update every 3 months, Ohmica every 3 weeks. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Electrical calculation | Ohmica |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 44 MB | 27 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shital Gorasiya](https://appshunter.io/developer/1737199158) | [Tam Trinh](https://appshunter.io/developer/1854441506) |

## What reviewers say

### Electrical calculation

[App page](https://appshunter.io/ios/app/electrical-calculation/id6741321759)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $9.99 | one-time |


### Ohmica

[App page](https://appshunter.io/ios/app/ohmica/id6776300460)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Electrical calculation free?

Electrical calculation is free to download, with in-app purchases available.

### Is Ohmica free?

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

### Do Electrical calculation or Ohmica have ads?

Neither Electrical calculation nor Ohmica shows ads.

### Which is updated more often, Electrical calculation or Ohmica?

Electrical calculation ships an update every 3 months, and Ohmica every 3 weeks. Most recently, Electrical calculation was updated on September 24, 2026 and Ohmica on September 21, 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.*