# NoteHaus vs Electromagnetics Calculator

The clearest difference is in-app purchases: Electromagnetics Calculator at none against NoteHaus's 2. Electromagnetics Calculator also leads on update cadence (every 3 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NoteHaus sells 2 in-app purchases, starting at $1.99 per month. Electromagnetics Calculator asks for nothing beyond the download.

NoteHaus ships an update every 10 days, Electromagnetics Calculator every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NoteHaus | Electromagnetics Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 556 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RIDVANULLAH Arslan](https://appshunter.io/developer/1858102618) | [DANIEL PATRICK MCNEIL](https://appshunter.io/developer/1868868883) |

## What reviewers say

### NoteHaus

[App page](https://appshunter.io/ios/app/notehaus/id6756613224)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoteHaus Pro | $1.99 | per month |
| NoteHaus Pro Yearly | $14.99 | per year |


### Electromagnetics Calculator

[App page](https://appshunter.io/ios/app/electromagnetics-calculator/id6757775511)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NoteHaus free?

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

### Is Electromagnetics Calculator free?

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

### Do NoteHaus or Electromagnetics Calculator have ads?

Neither NoteHaus nor Electromagnetics Calculator shows ads.

### Which is updated more often, NoteHaus or Electromagnetics Calculator?

NoteHaus ships an update every 10 days, and Electromagnetics Calculator every 3 days. Most recently, NoteHaus was updated on October 30, 2026 and Electromagnetics Calculator on October 31, 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.*