# Electrical Engineering Toolkit vs Casul

The clearest difference is in-app purchases: Casul at none against Electrical Engineering Toolkit's 3. Casul also leads on iOS requirement (13.4 vs 16.2). Electrical Engineering Toolkit's advantage is device support. On price there is nothing between them.

Both are free to download. Electrical Engineering Toolkit sells 3 in-app purchases, starting at $0.99 per month. Casul asks for nothing beyond the download.

## The numbers

| Metric | Electrical Engineering Toolkit | Casul |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 9 months | — |
| Size | 12 MB | 25 MB |
| Requires iOS | 16.2 | **13.4** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) | [Dwit Mexico](https://appshunter.io/developer/1471240503) |

## What reviewers say

### Electrical Engineering Toolkit

[App page](https://appshunter.io/ios/app/electrical-engineering-toolkit/id6474202026)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version / monthly | $0.99 | per month |
| Full version / year | $3.99 | per year |
| Support project, remove ADS | $5.99 | one-time |


### Casul

[App page](https://appshunter.io/ios/app/casul/id6479458169)

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Engineering Toolkit free?

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

### Is Casul free?

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

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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.*