# Herr Professor vs Educaster

The clearest difference is in-app purchases: Herr Professor at none against Educaster's 8. Educaster's advantage is update cadence (fortnightly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Educaster sells 8 one-off in-app purchases. Herr Professor asks for nothing beyond the download.

Herr Professor ships an update every 3 months, Educaster fortnightly. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Herr Professor | Educaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 51 MB | 50 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Macias Martin Manuel](https://appshunter.io/developer/1618429607) | [Educaster](https://appshunter.io/developer/1893039038) |

## 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


### Educaster

[App page](https://appshunter.io/ios/app/educaster/id6762128459)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5° Básico - Ciencias naturales | $8.99 | one-time |
| 7° Básico - Ciencias naturales | $8.99 | one-time |
| 8° Básico - Ciencias naturales | $8.99 | one-time |
| 6° Básico - Ciencias naturales | $9.99 | one-time |
| Testigos de la Historia · 5° Básico | $11.99 | one-time |
| Testigos de la Historia · 6° Básico | $11.99 | one-time |
| Testigos de la Historia · 7° Básico | $11.99 | one-time |
| Testigos de la Historia · 8° Básico | $11.99 | one-time |


## Frequently asked questions

### Is Herr Professor free?

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

### Is Educaster free?

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

### Do Herr Professor or Educaster have ads?

Neither Herr Professor nor Educaster shows ads.

### Which is updated more often, Herr Professor or Educaster?

Herr Professor ships an update every 3 months, and Educaster fortnightly. Most recently, Herr Professor was updated on October 4, 2026 and Educaster on October 1, 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.*