Ladris Technologies, Inc.
Terms of Use for the Sentinel Mobile App

Last Updated: May 30, 2025

Welcome to the Sentinel mobile application (the “Sentinel App”) provided by Ladris Technologies, Inc. (“Ladris,” “we,” “us,” or “our”) at the request of the County of San Mateo, California (the “County”). These Terms of Use (“Terms”) govern your use of the Sentinel App. By using the Sentinel App, you agree to these Terms.

1. Purpose of the App

The Sentinel App is designed to provide San Mateo County residents with:

  • Access to certain location-based alerts issued by the County;
  • Display of FEMA National Risk Index (for Natural Hazards);
  • Ladris Evacuation Readiness Score;
  • A combined risk score for FEMA and Evacuation Readiness known as the Ladris Risk Score.
  • Emergency preparedness information and tools for individuals and families.

Important: The Sentinel App does not provide emergency response or life-safety services. If you are experiencing an emergency, call 911 or your local emergency number immediately.

2. Disclaimers About Content and Functionality

  • ACCURACY: THE SENTINEL APPLICATION MAY NOT ALWAYS BE ACCURATE AND YOU SHOULD NOT RELY UPON IT AS YOUR SOLE SOURCE OF AN UNDERSTANDING OF RISK.  WE AND THE COUNTY DO NOT WARRANTY THAT ANY RISK SCORE, NOTIFICATIONS, OR OTHER CONTENT OR INFORMATION PROVIDED THROUGH THE SENTINEL APP IS ERROR-FREE, COMPLETE, ACCURATE, OR CURRENT. CONTENT MAY COME FROM THIRD-PARTY SOURCES, WHICH WE DO NOT VERIFY.
  • TIMING OF ALERTS: DELIVERY OF ALERTS MAY BE DELAYED OR DISRUPTED DUE TO NETWORK ISSUES, DEVICE SETTINGS, THIRD-PARTY PROVIDERS, OR THE TIMELINESS OF SOURCE DATA.
  • USER RESPONSIBILITY: YOU ARE SOLELY RESPONSIBLE FOR HOW YOU USE OR ACT ON THE INFORMATION PROVIDED BY THE SENTINEL APP. YOUR USE IS AT YOUR OWN RISK.

3. Third Party Services and Data.

The Sentinel App includes data obtained under contract with third party sources which may be subject to restrictions on its use (“Third Party Data”).  The Sentinal App may also include third party software, products, or services, (“Third Party Services”) and some parts of our Sentinel App, may include output from those services (“Third Party Output”). Third Party Data, Third Party Services and Third Party Output are subject to their own terms, and we are not responsible for them.

4. Feedback

We appreciate your feedback, and you agree that we may use it without restriction or compensation to you.

5. Prohibited Activities

You may not:

  • Reverse engineer, disassemble, or attempt to access the source code of the Sentinel App;
  • Modify, adapt, translate, or create derivative works from the Sentinel App.
  • Sell, lease or distribute any content or information from the Sentinel App.

6. License to Use the App

We grant you a limited, non-exclusive, non-transferable, and revocable license to install and use the Sentinel App on your personal mobile device for non-commercial use, provided you comply with these Terms.

You must be at least 13 years old to consent to use the Sentinel App. If you are under 18 you must have your parent or legal guardian’s permission to use the Sentinel App.

7. Privacy

Your use of the Sentinel App is also subject to our Mobile Sentinel App Privacy Policy, which is incorporated into these Terms. By using the Sentinel App, you consent to our collection, use, and sharing of your information as described in the Privacy Policy.

8. Termination

  • By You: You may stop using the Sentinel App and uninstall it at any time.
  • By Us or the County: We (or the County) may suspend or terminate your access to the Sentinel App at any time, for any reason, with or without notice.
  • What Survives: Sections of these Terms that are meant to continue after termination — including disclaimers, limitations of liability, and dispute resolution — will remain in effect.

9. Warranties Disclaimed

THE SENTINEL APP IS PROVIDED “AS IS” AND “AS AVAILABLE.”

TO THE MAXIMUM EXTENT ALLOWED BY LAW, LADRIS AND THE COUNTY DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF:

  • FITNESS FOR A PARTICULAR PURPOSE;
  • WARRANTIES OF MERCHANTABILITY; 
  • SATISFACTORY QUALITY;
  • NON-INFRINGEMENT;
  • QUIET ENJOYMENT;
  • WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE.

WE DO NOT WARRANTY THAT THE SENTINEL APP WILL FUNCTION WITHOUT ERRORS OR INTERRUPTIONS, OR THAT IT WILL BE FREE OF VIRUSES OR HARMFUL CODE.

10. Limitation of Liability

NEITHER LADRIS NOR THE COUNTY — NOR THEIR OFFICERS, EMPLOYEES, SUPPLIERS OR AFFILIATES — WILL BE LIABLE FOR:

  • ANY INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING PERSONAL INJURY, DEATH, DATA, OR GOODWILL);
  • DAMAGES EXCEEDING $25.00 

THE LIMITATIONS IN THIS SECTION APPLY ONLY TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW.

11. Dispute Resolution

Any dispute relating to these Terms will be resolved through binding arbitration in San Mateo County, California, under JAMS rules. Either party may seek temporary court relief to support arbitration. Claims qualifying for small claims court are exempt.

12. General Terms

These Terms and the Privacy Policy are the full agreement between you, Ladris, and the County regarding the Sentinel App. If a court finds any part of these Terms invalid, the rest will remain in effect. Ladris acts as the County’s agent in providing this Application. 

We may assign our rights or obligations under these Terms to any affiliate, subsidiary, or successor in interest of any business associated with our services.

13. Changes to These Terms

We may update these Terms at any time. If we update the Terms, we will provide you with the updated language for acceptance on your next session with the Sentinel App.

14. Contact Information

If you have questions or concerns about the Sentinel App or these Terms, contact us at:

Ladris Technologies, Inc.
10090 Stable Lane
Nevada City, CA 95959
Email: support@ladris.com