ROBO Pro Smart vs Calliope mini
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ROBO Pro Smart
This app allows users to build and control fischertechnik® BT Smart Controller models. Its intuitive, icon-based graphical interface uses drag-and-drop functionality for coding. It is optimized for iPads but also functions on iPhones.
- Build fischertechnik BT Smart Controller models
- Intuitive icon-based graphical interface
- Drag-and-drop coding functionality
- Control models with created code
- Optimized for iPad, works on iPhone
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Build your fischertechnik® BT Smart Controller model and bring it to life with the ROBO Pro Smart App. The App’s graphical user interface is intuitive and icon-based. The icons are well known from e.g. the desktop version ROBO Pro and established for many years now. Drag-and-drop the icons, link them and run your code on the model. The use of iPads is preferred, but it works fine with iPhone's smaller displays.
Calliope mini
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.
- Program micro-controller
- Build robots
- Transmit messages
- Control LEDs
- Use motion sensor
- Bluetooth communication
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With Calliope mini you have countless creative options right at your fingertips. You want to build a robot or transmit messages? With just a few clicks you can create a program for the controller and make things move. Besides 25 red plus three RGB-LEDs and two programmable buttons the board contains a combined position sensor with motion sensor and compass as well as a bluetooth module that allows the Calliope mini to communicate with other devices.
Screenshots
Verdict
The clearest difference is update cadence: Calliope mini at every 3 months against ROBO Pro Smart's every 9 months. ROBO Pro Smart's advantage is iOS requirement (12.1 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ROBO Pro Smart ships an update every 9 months, Calliope mini every 3 months. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.
| Parameter | ROBO Pro Smart | Calliope mini |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) — better | — |
| Positive reviews | 22.2% of reviews | 25.6% of reviews — better |
| Number of ratings | 2 — better | — |
| Update frequency | Every 9 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 11 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | A B | Calliope gGmbH |
Customer experience
ROBO Pro Smart
Calliope mini
In-app purchases
ROBO Pro Smart
No in-app purchases
Calliope mini
No in-app purchases









