Last updated: October 1, 2026
Lunar Computing, Inc. ("we," "us," or "our") develops the Ceres Rising iOS app. This Privacy Policy explains how Ceres Rising handles information when you use the app.
Your Book, check-ins and profile are stored on your device. There is no account and no sign in. What you write to Ceres is sent to our server and on to our AI provider to write your reply, practice or read-aloud audio.
Ceres Rising is designed around local, on-device storage. Depending on which features you use, the app may store:
This data is used to provide app functionality and is not sold, used for advertising, or shared with data brokers.
You can revoke iOS permissions at any time in Settings. Some app features may stop working after a required permission is revoked.
Ceres has no account and does not sync to a cloud service. Delete the app and everything stored on your device is removed.
Apple controls iCloud account authentication and CloudKit infrastructure. We do not receive your Apple ID password, payment information, or private iCloud account credentials.
Ceres Pro is an auto-renewing subscription processed by Apple in-app purchase and managed with RevenueCat. We do not receive your Apple ID, payment card, or billing address.
Depending on the features you use, Ceres Rising may interact with:
Third-party services process data according to their own privacy policies. We only use them for app functionality, entitlement verification, system permissions, or user-requested actions.
Ceres Rising is not a medical device and does not provide medical, psychological, legal, financial, or other professional advice. Any journalling, reference, or study content is provided for personal use and self-reflection only. It should not be used to diagnose, treat, prevent, or make decisions about a health condition.
For privacy requests, email [email protected]. For product support, email [email protected].