# uCertifyPrep Microsoft 365 vs IIoT University

The clearest difference is in-app purchases: IIoT University at none against uCertifyPrep Microsoft 365's 1. IIoT University also leads on update cadence (every 3 weeks vs every 20 months). uCertifyPrep Microsoft 365's advantage is iOS requirement (14.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. uCertifyPrep Microsoft 365 sells 1 one-off in-app purchase. IIoT University asks for nothing beyond the download.

uCertifyPrep Microsoft 365 ships an update every 20 months, IIoT University every 3 weeks. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | uCertifyPrep Microsoft 365 | IIoT University |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Size | 121 MB | 49 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [uCertify.com](https://appshunter.io/developer/1130631061) | [Emily Sudduth](https://appshunter.io/developer/1721274803) |

## What reviewers say

### uCertifyPrep Microsoft 365

[App page](https://appshunter.io/ios/app/ucertifyprep-microsoft-365/id1665507003)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| uCertifyPrep Microsoft 365 | $49.99 | one-time |


### IIoT University

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

**In-app purchases:** none


## Frequently asked questions

### Is uCertifyPrep Microsoft 365 free?

uCertifyPrep Microsoft 365 is free to download, with in-app purchases available.

### Is IIoT University free?

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

### Do uCertifyPrep Microsoft 365 or IIoT University have ads?

Neither uCertifyPrep Microsoft 365 nor IIoT University shows ads.

### Which is updated more often, uCertifyPrep Microsoft 365 or IIoT University?

uCertifyPrep Microsoft 365 ships an update every 20 months, and IIoT University every 3 weeks. Most recently, uCertifyPrep Microsoft 365 was updated on October 25, 2026 and IIoT University on October 20, 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.*