Comparison

ROBO Pro Smart vs Calliope mini

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • Program micro-controller
  • Build robots
  • Transmit messages
  • Control LEDs
  • Use motion sensor
  • Bluetooth communication
Features
Read full description

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

ROBO Pro Smart2 screens
Calliope mini4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
ROBO Pro Smart versus Calliope mini: the parameters behind the verdict, then further details
ParameterROBO Pro SmartCalliope mini
PriceFreeFree
Rating1.0 (2 ratings) — better—
Positive reviews22.2% of reviews25.6% of reviews — better
Number of ratings2 — better—
Update frequencyEvery 9 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.1 — better15.0
Further details — not scored
Size11 MB37 MB
Age rating4+4+
DeveloperA BCalliope gGmbH

Customer experience

ROBO Pro Smart

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews9 reviews
Positive22.2%
Neutral0.0%
Negative77.8%

Calliope mini

Written reviews39 reviews
Positive25.6%
Neutral12.8%
Negative61.5%

In-app purchases

None

ROBO Pro Smart

No in-app purchases

None

Calliope mini

No in-app purchases

Questions

Is ROBO Pro Smart free?
ROBO Pro Smart 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 ROBO Pro Smart or Calliope mini have ads?
Neither ROBO Pro Smart nor Calliope mini shows ads.
Which is updated more often, ROBO Pro Smart or Calliope mini?
ROBO Pro Smart ships an update every 9 months, and Calliope mini every 3 months. Most recently, ROBO Pro Smart was updated on October 12, 2026 and Calliope mini on October 20, 2026.

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