# Herr Professor vs Knowledge Nexus Academy

The clearest difference is in-app purchases: Herr Professor at none against Knowledge Nexus Academy's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Knowledge Nexus Academy sells 3 one-off in-app purchases. Herr Professor asks for nothing beyond the download.

## The numbers

| Metric | Herr Professor | Knowledge Nexus Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 51 MB | 80 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Macias Martin Manuel](https://appshunter.io/developer/1618429607) | [Learnyst Insight Private Limited](https://appshunter.io/developer/1114258009) |

## What reviewers say

### Herr Professor

[App page](https://appshunter.io/ios/app/herr-professor/id1618429605)

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

**In-app purchases:** none


### Knowledge Nexus Academy

[App page](https://appshunter.io/ios/app/knowledge-nexus-academy/id6791953949)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sale and Purchase Agreement | $129.99 | one-time |
| AI Literacy Course for Legal | $129.99 | one-time |
| Tenants' and Landlords' Rights | $129.99 | one-time |


## Frequently asked questions

### Is Herr Professor free?

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

### Is Knowledge Nexus Academy free?

Knowledge Nexus Academy is free to download, with in-app purchases available.

### Do Herr Professor or Knowledge Nexus Academy have ads?

Neither Herr Professor nor Knowledge Nexus Academy shows ads.

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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.*