End User License Agreement (EULA)

Last updated: 15 November 2026 · 5 Kislev 5787

This End User License Agreement (“Agreement”) is a legal agreement between you (“User”) and Yisrael Hersch (Abu Mami) (“Developer”) for the software applications in the Kaluach family of Hebrew calendar apps, including any associated desktop or mobile applications, updates, and documentation (“Software”).

By downloading, installing, or using the Software, you agree to be bound by the terms of this Agreement. If you do not agree, do not install or use the Software.

1. Grant of License

The Developer grants you a free, non-exclusive, non-transferable, revocable license to download, install, and use the Software on devices you own or control for personal, educational, or internal organizational use.

2. Restrictions

You agree that you will not:

• Sell, rent, lease, sublicense, or charge a fee for access to or distribution of the Software.
• Bundle the Software with any commercial product or paid service without the prior written permission of the Developer.
• Modify, adapt, translate, reverse-engineer, decompile, or disassemble the Software, except to the extent expressly permitted by applicable law.
• Remove, alter, or obscure any copyright, trademark, or proprietary notices included in the Software.

3. Ownership and Intellectual Property

The Software is licensed, not sold. The Developer retains all right, title, and interest in and to the Software, including all copyrights, trademarks, source code, algorithms, and design elements.

4. Disclaimer of Calendar and Halachic Calculations

The Software provides Hebrew calendar dates, Jewish holidays, astronomical data, and halachic times (zmanim) for general informational purposes only. While the Developer strives for accuracy, calculations may vary based on device settings, location data, or algorithmic rounding. Users should consult a qualified halachic authority or official local calendar before relying on the Software for religious observance, such as Shabbat or holiday candle-lighting and fast times.

5. Disclaimer of Warranties (“As-Is”)

The Software is provided “AS IS” and “AS AVAILABLE,” without warranty of any kind, express or implied. The Developer does not warrant that the Software will be uninterrupted, error-free, or completely free of bugs or security vulnerabilities.

6. Limitation of Liability

To the maximum extent permitted by applicable law, the Developer shall not be liable for any direct, indirect, incidental, consequential, or special damages (including, without limitation, data loss, device malfunction, or reliance on calendar calculations) arising out of or in any way connected with the use or inability to use the Software.

7. App Store Terms

If you downloaded the Software through the Apple App Store or Microsoft Store, your use is also subject to the applicable usage rules and standard terms of service set forth by Apple Inc. or Microsoft Corporation.

8. Termination

This Agreement is effective until terminated. Your rights under this Agreement will terminate automatically without notice if you fail to comply with any of its terms. Upon termination, you must cease all use of the Software and delete all copies in your possession.

9. Contact Information

If you have any questions about this Agreement or wish to request permission for special distribution, please contact:

Yisrael Hersch / Abu Mami :: Kaluach
kaluach@abumami.com
https://www.kaluach.com