# Visible Knowledge vs Langula

The clearest difference is in-app purchases: Visible Knowledge at none against Langula's 10. Visible Knowledge also leads on iOS requirement (12.4 vs 15.5). Langula's advantage is device support. On price there is nothing between them.

Both are free to download. Langula sells 10 one-off in-app purchases. Visible Knowledge asks for nothing beyond the download.

## The numbers

| Metric | Visible Knowledge | Langula |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Weekly |
| Size | 21 MB | 73 MB |
| Requires iOS | **12.4** | 15.5 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Visible care Sweden AB](https://appshunter.io/developer/1485727328) | [Thomas Harnisch](https://appshunter.io/developer/1886086615) |

## What reviewers say

### Visible Knowledge

[App page](https://appshunter.io/ios/app/visible-knowledge/id1629871489)

**In-app purchases:** none


### Langula

[App page](https://appshunter.io/ios/app/langula-learn-languages/id6760947710)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Polnisch | $8.99 | one-time |
| Schwedisch | $8.99 | one-time |
| Finnisch | $8.99 | one-time |
| Österreichisch | $8.99 | one-time |
| Chinesisch | $8.99 | one-time |
| Dänisch | $8.99 | one-time |
| Deutsch | $8.99 | one-time |
| Französisch Premium | $8.99 | one-time |
| Portugiesisch | $8.99 | one-time |
| Alle Sprachen | $44.99 | one-time |


## Frequently asked questions

### Is Visible Knowledge free?

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

### Is Langula free?

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

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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.*