Terms of Service
Please read these terms carefully before using Obsidian.
Last updated June 10, 2026
These Terms of Service ("Terms") govern your access to and use of the Obsidianwebsite, application, and related services (collectively, the "Service"). By using the Service, you agree to these Terms.
Eligibility
You must be at least 13 years old to use the Service. If you are under the age of majority where you live, you may use the Service only with permission of a parent or legal guardian who accepts these Terms on your behalf.
Your account
You may use guest mode without an account. If you create an account, you are responsible for keeping your login credentials secure and for all activity under your account. Notify us promptly if you suspect unauthorized access.
Acceptable use
You agree not to:
- Use the Service for any unlawful purpose.
- Attempt to gain unauthorized access to the Service, other accounts, or our systems.
- Interfere with or disrupt the Service, including by automated scraping or excessive requests.
- Reverse engineer or copy the Service except where permitted by law.
- Upload malware or content that infringes others' rights.
Your content
You retain ownership of workout logs, programs, and other content you submit ("Your Content"). You grant us a limited license to host, store, back up, and display Your Content solely to operate and improve the Service. You represent that you have the rights needed to submit Your Content.
Health and fitness disclaimer
Obsidian is a training log and planning tool, not medical advice. We do not provide coaching, diagnosis, or treatment. Consult a qualified professional before starting or changing an exercise program. You assume all risk of injury or harm from physical activity. We are not liable for injuries or health outcomes related to your training.
Free service
The Service is currently offered free of charge. We may introduce optional paid features in the future. If we do, we will describe them clearly before you are charged. See our pricing page for current information.
Intellectual property
The Service, including its design, branding, built-in exercise library, and software, is owned by us or our licensors and protected by intellectual property laws. These Terms do not grant you rights to our trademarks or branding except as needed to use the Service.
Third-party services
The Service may rely on third-party providers for authentication, hosting, and analytics. Your use of those features may be subject to their terms and privacy policies.
Termination
You may stop using the Service at any time and delete your account from settings. We may suspend or terminate access if you violate these Terms or if we discontinue the Service. Sections that by nature should survive termination will survive, including disclaimers and limitations of liability.
Disclaimers
THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS OR IMPLIED, INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. WE DO NOT WARRANT THAT THE SERVICE WILL BE UNINTERRUPTED, ERROR-FREE, OR THAT DATA WILL NEVER BE LOST.
Limitation of liability
TO THE MAXIMUM EXTENT PERMITTED BY LAW, WE AND OUR SUPPLIERS WILL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS, DATA, OR GOODWILL, ARISING FROM YOUR USE OF THE SERVICE. OUR TOTAL LIABILITY FOR ANY CLAIM RELATING TO THE SERVICE IS LIMITED TO THE GREATER OF (A) AMOUNTS YOU PAID US IN THE TWELVE MONTHS BEFORE THE CLAIM OR (B) FIFTY US DOLLARS (USD $50).
Some jurisdictions
Some jurisdictions do not allow certain disclaimers or limitations. In those cases, our liability is limited to the fullest extent permitted by applicable law.
Privacy
Our collection and use of personal information is described in our Privacy Policy.
Changes
We may modify these Terms from time to time. If changes are material, we will provide reasonable notice, such as by posting the updated Terms on this page. Continued use after the effective date constitutes acceptance.
Contact
Questions about these Terms? Visit our contact page.