End-User License Agreement (EULA) for MD LüftungPRO
Effective Date: November 6, 2025.
I. INTRODUCTION
This End-User License Agreement (hereinafter "Agreement") is a legally binding agreement between you, the End-User (an individual or entity), and Ivan Rancic ("Licensor" or "We"), concerning the "MD LüftungPRO" software application (hereinafter the "Application"). By downloading, installing, or using the Application, you agree to be bound by the terms of this Agreement.
II. GRANT OF LICENSE
Grant: The Licensor hereby grants you a revocable, non-exclusive, non-transferable, limited license to install and use the Application on a device controlled or owned by you (iPhone, iPad, or Android device), in accordance with the terms of this Agreement.
Restrictions: You shall not sell, distribute, rent, lease, sublicense, or otherwise transfer the Application. You shall not modify, adapt, translate, decompile, reverse engineer, or attempt to derive the source code of the Application.
III. ONE-TIME PURCHASE AND IN-APP LICENSING
Availability: The Application offers an optional, non-consumable one-time purchase, referred to as the "PRO Lifetime License," that grants permanent access to advanced calculations and features.
Payment: The "PRO Lifetime License" is a one-time charge. Payment is processed through your App Store/Google Play account and is subject to the terms of service of that vendor (Apple/Google).
License Grant: Upon successful completion of the one-time purchase, the User is granted a **permanent (non-expiring)** license to the PRO features under the terms of this Agreement.
Refunds and Restoration: As this is a non-consumable purchase, there is no automatic renewal or cancellation. The purchase is managed by your App Store/Google Play account. Users may **restore their purchase** on new devices or after reinstallation using the "Restore Purchases" function in the Application. Refunds are handled strictly according to the App Store/Google Play policies.
IV. DISCLAIMER OF LIABILITY FOR CALCULATION ACCURACY
Not Professional Advice: The "MD LüftungPRO" Application is a calculation aid tool and is NOT A SUBSTITUTE for professional engineering consultation, verification, or expert opinion.
Data Accuracy: The User is solely responsible for entering accurate input data into the calculators. The Licensor does not guarantee that the calculation results will always be 100% accurate or applicable to every construction situation.
Risk of Use: The use of calculation results from the Application for design, construction, or any decisions related to safety and regulatory compliance is done entirely at the User's own risk. The Licensor disclaims all liability for damages resulting from errors, omissions, or incorrect application of the results provided by the Application.
V. DISCLAIMER OF WARRANTY
The Application is provided on an "as is" and "as available" basis, without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose, and non-infringement.
VI. LIMITATION OF LIABILITY
In no event shall the Licensor be liable for any indirect, incidental, special, punitive, or consequential damages (including, without limitation, damages for loss of profits, loss of data, or business interruption) arising out of the use or inability to use the Application, even if the Licensor has been advised of the possibility of such damages.
VII. TERMINATION
This Agreement shall remain in effect until terminated by you or the Licensor. The Licensor may terminate this Agreement at any time without notice if you fail to comply with any term of this Agreement. Upon termination, you must cease all use of the Application and destroy all copies.
VIII. CONTACT INFORMATION
All questions or complaints regarding the Application should be directed to:
Name: Ivan Rancic
Email: ivcaranca@gmail.com