# CKalender vs Lechner GmbH

The clearest difference is in-app purchases: Lechner GmbH at none against CKalender's 1. Lechner GmbH also leads on update cadence (every 2 months vs every 4 months). CKalender's advantage is iOS requirement (11.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. CKalender sells 1 one-off in-app purchase. Lechner GmbH asks for nothing beyond the download.

CKalender ships an update every 4 months, Lechner GmbH every 2 months. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CKalender | Lechner GmbH |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 3 MB | 46 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Reinhard Hanselmann](https://appshunter.io/developer/848981931) | [Idwell GmbH](https://appshunter.io/developer/1269662593) |

## What reviewers say

### CKalender

[App page](https://appshunter.io/ios/app/ckalender/id848981928)

Manage and view appointments in an online group calendar directly from your smartphone or tablet. Requires an existing account with app activation for full functionality.

**Highlights:** View group calendar appointments, Manage appointments, Smartphone and tablet compatibility, Online group calendar integration

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CKApp-Freischaltung | $2.99 | one-time |


### Lechner GmbH

[App page](https://appshunter.io/ios/app/lechner-gmbh/id6497951065)

**In-app purchases:** none


## Frequently asked questions

### Is CKalender free?

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

### Is Lechner GmbH free?

Lechner GmbH is free to download, with no in-app purchases.

### Do CKalender or Lechner GmbH have ads?

Neither CKalender nor Lechner GmbH shows ads.

### Which is updated more often, CKalender or Lechner GmbH?

CKalender ships an update every 4 months, and Lechner GmbH every 2 months. Most recently, CKalender was updated on October 13, 2026 and Lechner GmbH on October 16, 2026.

---

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