End User License Agreement

Sentinel First Response | RJK Enterprises LLC
Effective Date: October 28, 2026

PLEASE READ THIS END USER LICENSE AGREEMENT (“AGREEMENT” OR “EULA”) CAREFULLY BEFORE DOWNLOADING OR USING SENTINEL FIRST RESPONSE. BY DOWNLOADING, INSTALLING, OR USING THE APP, YOU AGREE TO BE BOUND BY THE TERMS OF THIS AGREEMENT.

1. Parties

This Agreement is between you (“User”) and RJK Enterprises LLC, a Massachusetts limited liability company (“Developer,” “we,” or “us”), the developer of Sentinel First Response (“App”).

2. License grant

Subject to your compliance with this Agreement, Developer grants you a limited, non-exclusive, non-transferable, revocable license to download and use the App on any Apple-branded device you own or control, solely for your personal, non-commercial use.

3. Restrictions

You agree that you will not:

4. Subscription terms

Sentinel First Response is offered on a subscription basis. By subscribing, you authorize recurring charges to your Apple ID account at the rate and frequency disclosed at the time of purchase.

Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current subscription period. You may manage or cancel your subscription at any time through your Apple ID account settings. No refunds are provided for partial subscription periods, except as required by applicable law.

Pricing is subject to change with reasonable advance notice.

5. For tracking purposes only, not official payroll

IMPORTANT: Sentinel First Response is designed as a personal shift and payroll tracking tool for informational purposes only. The App is not an official payroll system and is not affiliated with, endorsed by, or connected to any government agency, fire department, police department, EMS agency, union, or employer.

All calculations produced by the App, including but not limited to overtime calculations, time bank balances, shift differentials, and total compensation estimates, are based solely on the information you enter and are provided for personal reference only.

DO NOT rely on the App as the sole or authoritative source for any official payroll dispute, grievance proceeding, legal claim, or employment matter. Always verify compensation information with your official payroll department or employer.

Developer is not responsible for any financial decisions, employment actions, or other consequences arising from your reliance on information displayed in the App.

6. HealthKit

The App requests read-only access to certain Apple HealthKit data, including sleep analysis, active energy (move), exercise minutes, heart rate variability, resting heart rate, respiratory rate, and wrist temperature, together with your related activity goals, for display within the App’s wellness features. By granting HealthKit permissions, you authorize the App to read this data from your device. You may revoke this permission at any time in iOS Settings. Developer does not write to HealthKit and does not transmit or store your HealthKit data.

7. Intellectual property

The App, including all content, features, design, code, and functionality, is owned by RJK Enterprises LLC and is protected by applicable intellectual property laws. This Agreement does not transfer any ownership interest to you. All rights not expressly granted are reserved.

8. Disclaimer of warranties

THE APP IS PROVIDED “AS IS” AND “AS AVAILABLE” WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, OR NON-INFRINGEMENT. DEVELOPER DOES NOT WARRANT THAT THE APP WILL BE ERROR-FREE, UNINTERRUPTED, OR FREE OF BUGS OR DEFECTS.

9. Limitation of liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, DEVELOPER SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES ARISING FROM OR RELATED TO YOUR USE OF THE APP, INCLUDING BUT NOT LIMITED TO LOST INCOME, LOST DATA, OR PAYROLL DISCREPANCIES, EVEN IF DEVELOPER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

IN NO EVENT SHALL DEVELOPER’S TOTAL LIABILITY TO YOU EXCEED THE AMOUNT YOU PAID FOR THE APP IN THE TWELVE (12) MONTHS PRECEDING THE CLAIM.

10. Data, local storage and backups

Your shift records, payroll data, and personal entries are stored on your device. If you enable backups, a copy is stored in your own private Apple iCloud account; Developer has no access to your data in either location. You are solely responsible for maintaining backups of your data and for your iCloud account. Developer is not liable for any data loss resulting from device failure, App deletion, iOS or iCloud changes, or any other cause.

11. Updates and modifications

Developer may update or modify the App at any time. Updates may change or remove features. Continued use of the App following an update constitutes acceptance of the updated version. Developer may also update this EULA; material changes will be communicated through the App or App Store listing.

12. Termination

This Agreement is effective until terminated. Your rights under this Agreement terminate automatically if you fail to comply with any of its terms. Upon termination, you must cease all use of the App and delete all copies from your devices.

Developer reserves the right to discontinue the App or any subscription tier at any time with reasonable notice.

13. Governing law and dispute resolution

This Agreement shall be governed by and construed in accordance with the laws of the Commonwealth of Massachusetts, without regard to conflict of law provisions. Any dispute arising under this Agreement shall be resolved in the state or federal courts located in Massachusetts, and you consent to the personal jurisdiction of such courts.

14. Apple-specific terms

The following terms apply to any copy of the App obtained through the Apple App Store.

(a) Acknowledgement. This Agreement is concluded between you and RJK Enterprises LLC only, and not with Apple Inc. (“Apple”). Developer, not Apple, is solely responsible for the App and its content. Nothing in this Agreement grants usage rules for the App that conflict with the Apple Media Services Terms and Conditions.

(b) Scope of License. The license granted in Section 2 is a non-transferable license to use the App on any Apple-branded products that you own or control, as permitted by the Usage Rules set forth in the Apple Media Services Terms and Conditions, except that the App may be accessed and used by other accounts associated with the purchaser via Family Sharing or volume purchasing.

(c) Maintenance and Support. Developer is solely responsible for providing any maintenance and support services for the App, as specified in this Agreement or as required under applicable law. Apple has no obligation whatsoever to furnish any maintenance and support services with respect to the App.

(d) Warranty. Developer is solely responsible for any product warranties, whether express or implied by law, to the extent not effectively disclaimed. In the event of any failure of the App to conform to any applicable warranty, you may notify Apple, and Apple will refund the purchase price for the App to you. To the maximum extent permitted by applicable law, Apple will have no other warranty obligation whatsoever with respect to the App, and any other claims, losses, liabilities, damages, costs or expenses attributable to any failure to conform to any warranty will be Developer’s sole responsibility.

(e) Product Claims. Developer, not Apple, is responsible for addressing any claims by you or any third party relating to the App or your possession and/or use of the App, including but not limited to: (i) product liability claims; (ii) any claim that the App fails to conform to any applicable legal or regulatory requirement; and (iii) claims arising under consumer protection, privacy, or similar legislation, including in connection with the App’s use of the HealthKit framework.

(f) Intellectual Property Rights. In the event of any third-party claim that the App or your possession and use of the App infringes that third party’s intellectual property rights, Developer, not Apple, will be solely responsible for the investigation, defense, settlement and discharge of any such claim.

(g) Legal Compliance. You represent and warrant that (i) you are not located in a country that is subject to a U.S. Government embargo, or that has been designated by the U.S. Government as a “terrorist supporting” country; and (ii) you are not listed on any U.S. Government list of prohibited or restricted parties.

(h) Third-Party Terms. You must comply with any applicable third-party terms of agreement when using the App, including the terms of your wireless data service agreement.

(i) Third-Party Beneficiary. You and Developer acknowledge and agree that Apple and Apple’s subsidiaries are third-party beneficiaries of this Agreement, and that upon your acceptance of this Agreement, Apple will have the right, and will be deemed to have accepted the right, to enforce this Agreement against you as a third-party beneficiary.

15. Entire agreement

This EULA and the Privacy Policy together constitute the entire agreement between you and RJK Enterprises LLC regarding the App and supersede all prior agreements, representations, and understandings.

16. Contact

Questions, complaints, or claims regarding the App or this Agreement should be directed to:

RJK Enterprises LLC
25 Fuller Place
Franklin, MA 02038
United States
Email: [email protected]
Privacy Policy: sentinelfirstresponse.com/privacy