# Die kleine Waldfibel vs Calliope mini

The clearest difference is review sentiment: Die kleine Waldfibel at 85% against Calliope mini's 26%. Die kleine Waldfibel also leads on iOS requirement (11.0 vs 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.

Die kleine Waldfibel ships an update every 2 months, Calliope mini every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Die kleine Waldfibel | Calliope mini |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/die-kleine-waldfibel/id453746100/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **85.0% of reviews** | 25.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 56 MB | 37 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Bundesministerium für Ernährung und Landwirtschaft](https://appshunter.io/developer/572706109) | [Calliope gGmbH](https://appshunter.io/developer/1309545544) |

## What reviewers say

### Die kleine Waldfibel

[App page](https://appshunter.io/ios/app/die-kleine-waldfibel/id453746100)

Explore the forest ecosystem through interactive illustrations and sounds. Learn about animals, plants, and sustainable forestry with engaging games and quizzes. Discover how to measure tree height and access further resources.

**Highlights:** Virtual forest walks, Animal sound recordings, Tree and plant identification, Forestry games and quizzes, Interactive graphics on forest care, Tree height measurement guide

**In-app purchases:** none


### Calliope mini

[App page](https://appshunter.io/ios/app/calliope-mini/id1309545545)

This app allows users to program a micro-controller to build robots, transmit messages, and make things move. It features LEDs, buttons, sensors, and Bluetooth for creative coding projects.

**Highlights:** Program micro-controller, Build robots, Transmit messages, Control LEDs, Use motion sensor, Bluetooth communication

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

**In-app purchases:** none


## Frequently asked questions

### Is Die kleine Waldfibel free?

Die kleine Waldfibel is free to download, with no in-app purchases.

### Is Calliope mini free?

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

### Do Die kleine Waldfibel or Calliope mini have ads?

Neither Die kleine Waldfibel nor Calliope mini shows ads.

### Which is updated more often, Die kleine Waldfibel or Calliope mini?

Die kleine Waldfibel ships an update every 2 months, and Calliope mini every 3 months. Most recently, Die kleine Waldfibel was updated on November 1, 2026 and Calliope mini on November 2, 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.*