# AEco.1 vs CKalender

The clearest difference is update cadence: AEco.1 at monthly against CKalender's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AEco.1 sells 1 in-app purchase, starting at $11.99 per year and CKalender sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AEco.1 ships an update monthly, CKalender every 8 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | AEco.1 | CKalender |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Size | 70 MB | 3 MB |
| Requires iOS | **11** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EASY SmartHome GmbH](https://appshunter.io/developer/986272099) | [Reinhard Hanselmann](https://appshunter.io/developer/848981931) |

## What reviewers say

### AEco.1

[App page](https://appshunter.io/ios/app/aeco1/id1564707111)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ABO AEco.1 Cloud-Service | $11.99 | per year |


### CKalender

[App page](https://appshunter.io/ios/app/ckalender-app-ab-release-2022/id1583773040)

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is AEco.1 free?

AEco.1 is free to download, with in-app purchases available.

### Is CKalender free?

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

### Do AEco.1 or CKalender have ads?

Neither AEco.1 nor CKalender shows ads.

### Which is updated more often, AEco.1 or CKalender?

AEco.1 ships an update monthly, and CKalender every 8 months. Most recently, AEco.1 was updated on November 7, 2026 and CKalender on November 7, 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.*