Comparison

Calliope mini vs Relution Teacher

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

Head to head
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.

About

Relution Teacher

Streamline classroom management with centralized control over student devices. Pre-configure lesson-specific profiles to automatically adjust apps, web links, and device features for focused learning. Supports ad-hoc and admin modes for flexible teaching and organizational oversight.

Highlights
  • Centralized device management
  • Lesson-specific profiles
  • App and web link management
  • System feature restriction
  • Ad-hoc and Admin modes
  • Classroom control
Features
Read full description

Centralized management of all mobile devices and apps for smooth, interactive lessons Relution Teacher supports teachers in delivering chaos-free lessons with tablets. Lesson-specific profiles can be created and pre-configured to be used directly in the classroom. With just a few clicks, settings are applied to student devices: apps and web links relevant to the lesson appear automatically, and features that are not needed are disabled. Outside of class, all device functions and apps are available again. In ad-hoc mode, students from different classes can be grouped together to allow teachers to be flexible in their daily work. Admin mode helps teachers manage the entire school organization. This allows administrator(s), even independently of the teacher, to terminate a foreign class at any time. Important: The Relution Teacher App is part of the Relution platform and can only be used with an Education license and appropriate credentials. The installation of the app on the device should be done in coordination with the respective IT administrator(s) of the organization. For full classroom control, combination with Apple Classroom Manager is recommended. Functions of the app: - Create public and private lesson profiles for lesson preparation. - Manage and edit existing lesson profiles - Add and manage apps Add and manage relevant system apps - Provide and manage web links for accessing required web pages - Restricting system features for student devices - Using predefined classes with assigned students from Relution - Removal of absent students from class - Displaying problems on student devices - Displaying the school's timetable from Relution - Manual adjustment of lesson profile or lesson duration - Execution of lesson and examination mode - Automatic application of the selected lesson profile to student devices of the class - Ad-Hoc mode for own composition of classes and students - Admin mode gives an overview of all active lessons and allows the administration to edit or terminate lessons About Relution: Relution is a mobile device management (MDM) solution developed in Germany. The system enables data protection-compliant operation, optionally in the company's own infrastructure or in a German cloud. With Relution, the cross-platform inventory, configuration, equipping and securing of all devices succeeds, regardless of operating system, type and manufacturer. The MDM system ensures the up-to-dateness and operability of all end devices for smooth operations in schools, public authorities, administrations and companies through central and uniform remote management. Further information at www.relution.io

Screenshots

Calliope mini4 screens
Relution Teacher4 screens

Verdict

The call

The clearest difference is review sentiment: Calliope mini at 26% against Relution Teacher's 0%. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard1 real difference ยท 7 level
Calliope mini versus Relution Teacher: the parameters behind the verdict, then further details
ParameterCalliope miniRelution Teacher
PriceFreeFree
Positive reviews25.6% of reviews โ€” better0.0% of reviews
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 โ€” better15.5
Further details โ€” not scored
Size37 MB39 MB
Age rating4+4+
DeveloperCalliope gGmbHRelution GmbH

Customer experience

Calliope mini

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

Relution Teacher

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Calliope mini

No in-app purchases

None

Relution Teacher

No in-app purchases

Questions

Is Calliope mini free?
Calliope mini is free to download, with no in-app purchases.
Is Relution Teacher free?
Relution Teacher is free to download, with no in-app purchases.
Do Calliope mini or Relution Teacher have ads?
Neither Calliope mini nor Relution Teacher shows ads.
Which is updated more often, Calliope mini or Relution Teacher?
Calliope mini ships an update every 3 months, and Relution Teacher every 3 months. Most recently, Calliope mini was updated on November 2, 2026 and Relution Teacher on November 3, 2026.

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