# Kinderkram vs 2zero Climathon

The clearest difference is iOS requirement: Kinderkram at 11.4 against 2zero Climathon's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kinderkram ships an update every 3 weeks, 2zero Climathon every 2 weeks. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Kinderkram | 2zero Climathon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/2zero-climathon/id1458584431/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 47.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 13 MB | 89 MB |
| Requires iOS | **11.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Baerbel Richter](https://appshunter.io/developer/1439729802) | [2zero GmbH](https://appshunter.io/developer/1624455527) |

## What reviewers say

### Kinderkram

[App page](https://appshunter.io/ios/app/kinderkram-app/id1439729803)

**Features:** macOS Compatibility

**In-app purchases:** none


### 2zero Climathon

[App page](https://appshunter.io/ios/app/2zero-climathon/id1458584431)

This app helps you actively reduce your carbon footprint through a CO2 calculator and various challenges. Join communities or Klimathons to compete and earn rewards for your climate protection efforts. It's designed for a CO2-neutral future.

**Highlights:** CO2 calculator, Climate challenges, Sustainability rewards, Team competitions, News and tips, Community participation

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

**In-app purchases:** none


## Frequently asked questions

### Is Kinderkram free?

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

### Is 2zero Climathon free?

2zero Climathon is free to download, with no in-app purchases.

### Do Kinderkram or 2zero Climathon have ads?

Neither Kinderkram nor 2zero Climathon shows ads.

### Which is updated more often, Kinderkram or 2zero Climathon?

Kinderkram ships an update every 3 weeks, and 2zero Climathon every 2 weeks. Most recently, Kinderkram was updated on October 26, 2026 and 2zero Climathon on October 23, 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.*