Effective Date: January 1, 2026
OVERVIEW
GYST (“we,” “us,” “our”) respects your privacy. This Privacy Policy explains what information we collect, how we use it, and the choices you have.
GYST is an accountability service delivered primarily through SMS and email. Participation is voluntary. You control your level of engagement.
Information We Collect
Information You Provide
We may collect:
Name
Email address
Phone number
Location (Address, City, State, and Zip Code)
Survey responses related to goals, habits, and commitments
Subscription and payment status (via Stripe)
We do not require medical, clinical, or diagnostic information.
Automatically Collected Information
How We Use Your Information
We use your information to:
Deliver accountability prompts and check-ins
Adapt message frequency and content based on engagement
Process payments and manage subscriptions
Improve the service
Communicate service-related updates
We do not sell your personal data.
SMS & Email Communications
By signing up, you consent to receive messages from GYST via SMS and/or email.
Message frequency depends on the plan you choose
Message and data rates may apply
You can stop SMS messages at any time by replying STOP
You can request help by replying HELP
Opting out of messages may limit or end the service.
Data Storage & Security
We use third-party services to store and process data. We take reasonable steps to protect your data but cannot guarantee absolute security.
Data Retention & Deletion
You may request deletion of your data at any time
Some records may be retained as required by law (e.g., payment records)
Deleted data cannot be recovered
Third-Party Services
We are not responsible for the privacy practices of third-party services linked to or used by GYST.
Changes to This Policy
We may update this Privacy Policy periodically. Continued use of the service constitutes acceptance of changes.
Contact
For questions regarding these Terms:
info@day-one.app