# Calliope mini vs PHYWE measureAPP

The clearest difference is update cadence: PHYWE measureAPP at monthly against Calliope mini's every 3 months. PHYWE measureAPP also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Calliope mini ships an update every 3 months, PHYWE measureAPP monthly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calliope mini | PHYWE measureAPP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/phywe-measureapp/id1510916483/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 25.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 37 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Calliope gGmbH](https://appshunter.io/developer/1309545544) | [PHYWE Systeme GmbH & Co. KG](https://appshunter.io/developer/649820638) |

## What reviewers say

### 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


### PHYWE measureAPP

[App page](https://appshunter.io/ios/app/phywe-measureapp/id1510916483)

This educational app facilitates simple and fast data logging for science lessons. It works with specific sensors to measure various phenomena, offering intuitive handling, data visualization, and over 100 experiment descriptions.

**Highlights:** Simple and fast data logging, Wireless sensor connectivity (Bluetooth/USB), Graphical and digital data visualization, Over 100 experiment descriptions, Individual notes, photos, and videos, Multilingual support (17 languages)

**In-app purchases:** none


## Frequently asked questions

### Is Calliope mini free?

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

### Is PHYWE measureAPP free?

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

### Do Calliope mini or PHYWE measureAPP have ads?

Neither Calliope mini nor PHYWE measureAPP shows ads.

### Which is updated more often, Calliope mini or PHYWE measureAPP?

Calliope mini ships an update every 3 months, and PHYWE measureAPP monthly. Most recently, Calliope mini was updated on October 20, 2026 and PHYWE measureAPP on October 24, 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.*