KBruch is a small program to practice calculating with fractions and percentages. Different exercises are provided for this purpose and you can use the learning mode to practice with fractions. The program checks the user's input and gives feedback.
Features:
- Arithmetic exercise - in this exercise you have to solve a given fraction task. You have to enter the numerator and the denominator. This is the main exercise.
- Comparison exercise - in this exercise you have to compare the size of 2 given fractions, using the symbols >, < or =.
- Conversion exercise - in this exercise you have to convert a given number into a fraction.
- Factorization exercise - in this exercise you have to factorize a given number into its prime factors.
- Percentage exercise - in this exercise you have to calculate percentages.
Publisher’s description
What is kbruch?
kbruch is an open-source education program for Windows from KDE e.V.. Besides Windows, it is available for Linux.
Installation and requirements
Official installers exist for 64-bit as EXE (NSIS). The main installer is 56.7 MB. It can be installed for the current user only, without administrator rights. The installer supports unattended (silent) installation.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Installs without administrator rights
- Updated in the last two months
- Also runs on Linux
Cons
- No native ARM64 build
In short: kbruch is an open-source education tool for 64-bit PCs. Administrators can deploy it unattended.
Key features
- Arithmetic exercise - in this exercise you have to solve a given fraction task. You have to enter the numerator and the denominator. This is the main exercise.
- Comparison exercise - in this exercise you have to compare the size of 2 given fractions, using the symbols >, < or =.
- Conversion exercise - in this exercise you have to convert a given number into a fraction.
- Factorization exercise - in this exercise you have to factorize a given number into its prime factors.
- Percentage exercise - in this exercise you have to calculate percentages.
AppStream · Flathub
Is kbruch safe to download?
- The file is served by cdn.kde.org, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
266FA47FAE7FF3232596DB9A51B8EF153CF1140EA57A97E833484A84EB7831C0· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 26.11.70Latest | October 19, 2026 | 56.7 MB | 64-bit EXE (NSIS)64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id KDE.KBruch -ekbruch-master-923-windows-cl-msvc2022-x86_64.exe /SRelated guide: How to use winget: install and update apps
Also for other systems
flatpak install flathub org.kde.kbruchInformation
- Publisher
- KDE e.V.
- Category
- Education
- Licence
- GPL-2.0-or-later
- Price
- Free
- Content rating
- All ages
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS)
- Other platforms
- Linux
- Version
- 26.11.70
- Released
- October 19, 2026
- Added to the catalogue
- July 6, 2026
- Versions listed
- 1
- Website
- apps.kde.org
- winget ID
- KDE.KBruch
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is kbruch free?
Yes. kbruch is open-source software under the GPL-2.0-or-later licence.
Is kbruch safe to download?
The download comes from cdn.kde.org, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install kbruch with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can kbruch be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does kbruch run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Can I use kbruch without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to kbruch?
Anki, Praat, OpenBoard, Tux Paint and eXeLearning. The alternatives page compares them.
