Effective Date: April 6, 2026 | Last Updated: April 6, 2026
These Terms of Service ("Terms") constitute a legally binding agreement between you and Stackd ("Stackd," "we," "us," or "our") governing your use of the Stackd mobile application and website at stackd.health (collectively, the "Service").
By accessing or using the Service, you confirm that you have read, understood, and agree to these Terms and our Privacy Policy and Medical Disclaimer, which are incorporated herein by reference.
You must meet all of the following criteria to use Stackd:
By using Stackd, you represent and warrant that you meet these requirements. We reserve the right to terminate accounts found to belong to users under 18.
Stackd is designed to help you:
Stackd is not designed to:
To use Stackd, you must create an account. You agree to provide accurate, current, and complete information during registration and to keep your account information updated.
You are responsible for:
We are not liable for any loss or damage arising from unauthorized use of your account that results from your failure to safeguard your credentials.
You may not create multiple accounts. If we detect duplicate accounts, we reserve the right to terminate the additional accounts without notice.
| Plan | Price | Billing |
|---|---|---|
| Monthly | $9.99 / month | Charged monthly, auto-renewing |
| Annual | $99.00 / year | Charged annually, auto-renewing |
| Student (Monthly) | $4.99 / month | Charged monthly, auto-renewing; requires student verification |
We may offer a free trial period at our discretion. If a free trial is offered, it will convert automatically to a paid subscription at the end of the trial period unless you cancel before the trial ends.
All payments are processed by Stripe. By providing payment information, you authorize Stripe to charge your payment method on a recurring basis. Prices are in US dollars and are exclusive of applicable taxes.
You may cancel your subscription at any time through the app settings or by contacting support@stackd.health. Cancellation takes effect at the end of the current billing period. You will retain access to premium features until the end of the period you have already paid for.
All purchases are final. We do not offer refunds except where required by applicable law. If you believe you are entitled to a refund, contact us at support@stackd.health and we will evaluate your request on a case-by-case basis.
We reserve the right to modify subscription prices. We will provide at least 30 days' notice of any price change via email or in-app notification. Continued use of the Service after a price change constitutes your acceptance of the new price.
The student plan requires verification of enrollment at an accredited institution. We reserve the right to revoke student pricing at any time if verification cannot be confirmed or if eligibility changes.
The Stackd name, logo, app design, UI/UX, source code, algorithms, and all content we create are the exclusive property of Stackd and are protected by copyright, trademark, and other intellectual property laws. You are granted a limited, non-exclusive, non-transferable, revocable license to use the app for personal, non-commercial purposes.
You retain ownership of all data you input into Stackd (supplement logs, health data, lab results, etc.). By submitting this data, you grant us a limited license to use it solely to provide and improve the Service, as described in our Privacy Policy.
If you submit feedback, suggestions, or ideas about the Service, you grant us the right to use that feedback without restriction or compensation to you.
The Service integrates with third-party services including Supabase, Stripe, Anthropic, and Expo. Your use of these services is subject to their respective terms and privacy policies. We are not responsible for the practices or content of any third-party services.
The Service may contain links to external websites. We are not responsible for the content, accuracy, or practices of any linked site.
THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, OR NON-INFRINGEMENT. WE DO NOT WARRANT THAT THE SERVICE WILL BE UNINTERRUPTED, ERROR-FREE, OR FREE OF HARMFUL COMPONENTS.
STACKD DOES NOT PROVIDE MEDICAL ADVICE. AI-GENERATED CONTENT IS FOR EDUCATIONAL PURPOSES ONLY AND MAY BE INACCURATE, INCOMPLETE, OR OUTDATED. DO NOT RELY ON STACKD FOR ANY MEDICAL DECISION. WE EXPRESSLY DISCLAIM ALL LIABILITY FOR ANY HEALTH OUTCOMES ARISING FROM YOUR USE OF OR RELIANCE ON THE SERVICE.
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, STACKD AND ITS OWNERS, EMPLOYEES, AND AFFILIATES SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING LOSS OF PROFITS, DATA, HEALTH OUTCOMES, OR GOODWILL, ARISING OUT OF OR IN CONNECTION WITH YOUR USE OF THE SERVICE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
IN NO EVENT SHALL OUR TOTAL LIABILITY TO YOU FOR ANY CLAIMS ARISING OUT OF OR RELATING TO THESE TERMS OR THE SERVICE EXCEED THE AMOUNT YOU PAID US IN THE 12 MONTHS PRECEDING THE CLAIM, OR $100 USD, WHICHEVER IS GREATER.
You agree to defend, indemnify, and hold harmless Stackd and its owners, officers, employees, and agents from and against any claims, liabilities, damages, judgments, awards, losses, costs, or expenses (including reasonable legal fees) arising out of or relating to:
You may terminate your account at any time through app settings or by emailing support@stackd.health. Termination does not entitle you to a refund for any unused subscription period.
We reserve the right to suspend or terminate your account at any time, with or without notice, for any reason, including but not limited to violation of these Terms, non-payment, or conduct that we determine is harmful to the Service or other users.
Upon termination, your right to use the Service ceases immediately. Sections of these Terms that by their nature should survive termination (including disclaimers, limitation of liability, and indemnification) will survive.
These Terms are governed by the laws of the United States, without regard to conflict of law principles. Any dispute arising out of or relating to these Terms or the Service shall be resolved through binding arbitration on an individual basis. You waive the right to participate in a class action lawsuit or class-wide arbitration.
Before initiating arbitration, you agree to contact us at support@stackd.health and give us 30 days to resolve the dispute informally.
We may update these Terms from time to time. When we make material changes, we will notify you via email or in-app notice at least 14 days before the updated Terms take effect. Your continued use of the Service after the effective date of the updated Terms constitutes your acceptance. If you do not agree to the updated Terms, you must stop using the Service and delete your account.
For questions about these Terms, contact us: