All apps from Klaus Mack Software are distributed exclusively through the Apple Mac App Store and the Apple App Store for iOS and iPadOS. The contractual partner of the end customer at the time of purchase is Apple Inc. (or Apple Distribution International Ltd.), not Klaus Mack Software.
Apple's standard licence terms (the "Licensed Application End User License Agreement", or EULA) apply to every app purchase. They cover in particular:
The full text of the Apple EULA can be found here:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Klaus Mack Software develops the following apps:
All apps are offered as a one-time purchase. There are no subscriptions and no recurring fees. Updates are provided in accordance with the respective platform guidelines.
Information on the processing of personal data can be found in our Privacy Policy.
For questions about our apps, please contact:
Klaus Mack Software
Nyvej 14
6340 KrusÄ
Denmark
Email: support@klausmack-software.com
Web: klausmack-software.com
For matters regarding the purchase process, billing, or refunds, please contact Apple Inc. directly.
The European Commission provides a platform for online dispute resolution (ODR): https://ec.europa.eu/consumers/odr
We are neither willing nor obliged to participate in dispute resolution proceedings before a consumer arbitration board.
Last updated: April 2026