Last updated: February 6, 2026
Kaku ("we," "our," or "us") operates the Kaku mobile application (the "App"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our App and related services.
Please read this Privacy Policy carefully. By using the App, you agree to the collection and use of information in accordance with this policy.
When you create an account, we collect:
To coordinate events, we collect information about the friends you add to Kaku:
We collect and store:
Information about the events you coordinate, including:
We may automatically collect device type, operating system version, and general usage analytics to improve the App.
We use the information we collect to:
We use the following third-party services to operate Kaku:
We use Supabase for user authentication and database storage. Your account information, contacts, and plan data are stored securely on Supabase infrastructure. Supabase's privacy policy is available at supabase.com/privacy.
We use Anthropic's Claude AI to power the Kaku assistant. Your messages and conversation context are sent to Anthropic's API for AI processing. This includes messages you send to the assistant and messages received from your friends during coordination. Anthropic's privacy policy is available at anthropic.com/privacy.
We use Twilio to send and receive SMS messages for event coordination. Phone numbers and message content are transmitted through Twilio's messaging platform. Twilio's privacy policy is available at twilio.com/legal/privacy.
We will never share, sell, or distribute your mobile information, including phone numbers and SMS content, to third parties or lead generators for marketing or promotional purposes.
Phone numbers and SMS message content collected through our service are used solely for the purpose of event coordination as described in this Privacy Policy. This data is not used for advertising, marketing, or any purpose unrelated to the Kaku service.
We do not sell your personal information. We share your information only in the following circumstances:
We retain your personal information for as long as your account is active or as needed to provide you with our services. Specifically:
When you delete your account, we will delete or anonymize your personal data within 30 days, except where retention is required by law.
We implement appropriate technical and organizational measures to protect your personal information, including encryption in transit and at rest, secure authentication, and access controls. However, no method of transmission over the Internet or electronic storage is 100% secure.
Depending on your jurisdiction, you may have the right to:
To exercise any of these rights, please contact us at support@kaku-ai.com.
Kaku is not intended for use by anyone under the age of 13. We do not knowingly collect personal information from children under 13. If we learn we have collected such information, we will promptly delete it.
We may update this Privacy Policy from time to time. We will notify you of any changes by updating the "Last updated" date at the top of this page. Continued use of the App after changes constitutes acceptance of the updated policy.
If you have any questions about this Privacy Policy or our data practices, please contact us at:
Kaku
Email: support@kaku-ai.com