# IIoT University vs UnitEngConverter

The clearest difference is update cadence: UnitEngConverter at daily against IIoT University's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IIoT University ships an update every 3 weeks, UnitEngConverter daily. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | IIoT University | UnitEngConverter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 49 MB | 2 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emily Sudduth](https://appshunter.io/developer/1721274803) | [Irfan Uruci](https://appshunter.io/developer/1761565214) |

## What reviewers say

### IIoT University

[App page](https://appshunter.io/ios/app/iiot-university/id6504697139)

**In-app purchases:** none


### UnitEngConverter

[App page](https://appshunter.io/ios/app/unitengconverter/id6651829579)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IIoT University free?

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

### Is UnitEngConverter free?

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

### Do IIoT University or UnitEngConverter have ads?

Neither IIoT University nor UnitEngConverter shows ads.

### Which is updated more often, IIoT University or UnitEngConverter?

IIoT University ships an update every 3 weeks, and UnitEngConverter daily. Most recently, IIoT University was updated on October 20, 2026 and UnitEngConverter on October 27, 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.*