# Calliope mini vs click & study

The clearest difference is update cadence: click & study at monthly against Calliope mini's every 3 months. click & study also leads on iOS requirement (13.0 vs 15.0). Calliope mini's advantage is review sentiment (26% vs 10%). 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, click & study monthly. The most recent releases landed on September 23, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | Calliope mini | click & study |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **25.6% of reviews** | 9.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 37 MB | 55 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Calliope gGmbH](https://appshunter.io/developer/1309545544) | [C.C. Buchner Verlag GmbH & Co. KG](https://appshunter.io/developer/539964912) |

## 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


### click & study

[App page](https://appshunter.io/ios/app/click-and-study/id1313728711)

Access your digital textbooks on your tablet and work offline. This app offers tools like highlighting, zooming, and a linked table of contents for efficient study.

**Highlights:** Download digital textbooks, Offline access, Highlighting, Zoom functionality, Linked table of contents, Bookmarks, Full-text search

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calliope mini free?

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

### Is click & study free?

click & study is free to download, with no in-app purchases.

### Do Calliope mini or click & study have ads?

Neither Calliope mini nor click & study shows ads.

### Which is updated more often, Calliope mini or click & study?

Calliope mini ships an update every 3 months, and click & study monthly. Most recently, Calliope mini was updated on September 23, 2026 and click & study on August 24, 2026.

---

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