# KNLTB Leraren App vs Libéma Open

The clearest difference is update cadence: KNLTB Leraren App at every 2 months against Libéma Open's every 6 months. KNLTB Leraren App also leads on iOS requirement (13.0 vs 15.0). 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.

KNLTB Leraren App ships an update every 2 months, Libéma Open every 6 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | KNLTB Leraren App | Libéma Open |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 22 MB | 59 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KNLTB](https://appshunter.io/developer/1124390743) | [Libéma Events BV](https://appshunter.io/developer/1794965070) |

## What reviewers say

### KNLTB Leraren App

[App page](https://appshunter.io/ios/app/knltb-leraren-app/id1471960568)

**Features:** macOS Compatibility

**In-app purchases:** none


### Libéma Open

[App page](https://appshunter.io/ios/app/libema-open/id6743853546)

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

**In-app purchases:** none


## Frequently asked questions

### Is KNLTB Leraren App free?

KNLTB Leraren App is free to download, with no in-app purchases.

### Is Libéma Open free?

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

### Do KNLTB Leraren App or Libéma Open have ads?

Neither KNLTB Leraren App nor Libéma Open shows ads.

### Which is updated more often, KNLTB Leraren App or Libéma Open?

KNLTB Leraren App ships an update every 2 months, and Libéma Open every 6 months. Most recently, KNLTB Leraren App was updated on November 3, 2026 and Libéma Open on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*