By downloading, installing, or using MARCWILLS HRVA ("the App"), you agree to be bound by these Terms and Conditions. If you do not agree to these terms, do not use the App.
MARCWILLS HRVA is a heart rate variability (HRV) analyzer designed for sport science research, exercise physiology, and wellness monitoring. The App acquires physiological data from a Polar H10 chest belt sensor via Bluetooth Low Energy (BLE) and provides:
Use of this App requires a Polar H10 chest belt sensor (sold separately). The developer is not affiliated with Polar Electro Oy. Purchase and use of the Polar H10 is subject to Polar's own terms and conditions.
This App is intended exclusively for:
This App is not intended for:
When using Activity Mode, you acknowledge and agree that:
When using this App to collect physiological data from human subjects, you are solely responsible for:
The developer grants you a limited, non-exclusive, non-transferable license to use the App on Android devices that you own or control, subject to these Terms.
You may not:
The App, including its design, algorithms, visualizations, and documentation, is the intellectual property of Kukuh Pambuka Putra. All rights are reserved.
The name "MARCWILLS" (Mount ARGa WILLis) and "MARCWILLS HRVA" are trademarks and identifiers of the MARCWILLS physiological monitoring platform owned by Kukuh Pambuka Putra.
The App was developed with AI coding assistance (Claude, Anthropic). All intellectual property rights in the App remain exclusively with the developer.
Your use of the App is also governed by our Privacy Policy, which is incorporated into these Terms by reference. All physiological data collected by the App is stored locally on your device.
THE APP IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
The developer does not warrant that:
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE DEVELOPER SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO: LOSS OF DATA OR RESEARCH RESULTS; PHYSICAL HARM ARISING FROM MISUSE OF THE APP OR PHYSICAL ACTIVITY UNDERTAKEN WHILE USING THE APP; OR DECISIONS MADE BASED ON APP OUTPUTS.
The developer's total liability for any claim arising from use of the App shall not exceed the amount paid by you for the App.
You agree to indemnify and hold harmless the developer from any claims, damages, losses, or expenses (including legal fees) arising from your use of the App, violation of these Terms, or violation of any applicable law or third-party rights.
The App uses the Polar SDK (provided by Polar Electro Oy) to communicate with Polar H10 sensors. Use of Polar hardware and software is subject to Polar's own terms and conditions. The developer is not responsible for any issues arising from Polar's products or services.
The developer may update the App and these Terms at any time. Continued use of the App after updates constitutes acceptance of the revised Terms.
These Terms are governed by the laws of the Republic of Indonesia. Any disputes arising from these Terms or use of the App shall be subject to the jurisdiction of the courts of Indonesia.
Notwithstanding the foregoing, the developer reserves the right to comply with mandatory consumer protection laws applicable in the user's country of residence where required by law.
For questions about these Terms and Conditions, contact:
Kukuh Pambuka Putra
Developer, MARCWILLS
Email: kukuh.pambuka@outlook.com