CysterJoin the beta

Updated September 2026

Privacy

We’re in beta, so this is a plain-language version of what we do with your information, not a full legal policy. We’ll replace this with one before Cyster is generally available.

What we collect

If you join the beta, we collect your email, phone number, and country. Your name is optional.

How we use it

We use it to invite you to the beta and to text you through Cyster once you’re in. We don’t sell your information or use it for advertising.

Who sees it

Beta signups go to our team by email. This site doesn’t use tracking cookies or analytics.

Conversations with Cyster

What you tell Cyster is used to respond to you and to keep track of what you’ve shared, so you don’t have to repeat yourself. Generating a response means your message is processed by the AI service providers that power Cyster. We don’t sell conversation data or use it for advertising. You can ask us to delete your data at any time.

Changes

We’ll update this page as the beta grows and note changes here.

Questions

Email us at hello@cyster.app.