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Privacy policy

Last updated: 7 August 2026

Cosmos: Space Quiz for Kids is a learning app for children about space and the cosmos. This policy explains, in plain language, what the app does and does not do with data. It is written to be read by a parent.

The short version

• We do not collect any personal information from children. No name, no email, no birthday, no photo, no location, no contacts, no device identifiers used for tracking.
• Children never sign in. There is no child account and no login anywhere in the child-facing app. A child opens the app and starts learning.
• There are no ads and no third-party analytics in the child experience. No ad networks, no behavioural advertising, no tracking SDKs, ever.
• A parent may optionally create an account, behind a parental gate, solely to back up their child’s learning progress so it survives a lost or replaced device. The app is fully functional without it.

What is stored on the device

All learning content ships inside the app and works fully offline. The app stores the following only on the device:

• Learning progress: which questions have been answered, whether each was answered correctly or marked “I don’t know yet”, how many slides were seen, and the resulting star counts.
• Preferences: reduce-motion, sound on/off, and read-aloud toggles.

None of this describes the child as a person. It is anonymous learning state.

The optional parent account (backup only)

A parent can sign in — only from behind a parental gate — to back up the child’s progress to the cloud. This is optional and off by default.

• Sign-in is provider-only: Sign in with Apple or Google. We never create, store, or reset a password, because there is no password.
• What the backup stores: an opaque account identifier, the parent’s email address (provided by Apple or Google as the account holder), the same anonymous learning-progress blob described above, a mirror of purchase status, and timestamps.
• What the backup never stores: the child’s name, age, birthday, photo, voice, location, device tracking identifiers, or anything the child typed — there is nothing in this app for a child to type.
• The parent’s email is account-holder contact information, which is permitted. It is never used for advertising and is never associated with any child.

Each account can only ever read or write its own backup row. This is enforced at the database level (Row Level Security), not merely in the app.

The optional purchase

An optional one-time purchase unlocks the full question set — you pay once and it is yours forever. It is not a subscription; nothing renews. Purchases are handled by the App Store and Google Play through RevenueCat, which validates receipts and restores purchases. Every route into a purchase passes through a parental gate first, and the price is shown in plain language before any purchase.

Deleting your data

• Delete the app: removes all on-device progress and preferences.
• Delete your account (Backup & account screen, behind the parental gate): permanently erases your cloud backup and account. On-device progress is kept. Deletion cascades — removing the account removes the backup row.

You can also ask us to delete a backup by writing to cosmos@ripeseed.io from the account’s email address.

Who we share data with

We do not sell data and we do not share data for advertising. The only third parties involved are the infrastructure providers that make backup and purchases work:

• Supabase — stores the parent account and the progress backup (only if a parent signs in).
• RevenueCat / Apple App Store / Google Play — process purchases and validate receipts.

Nothing about the child is transmitted to any of them.

Children’s privacy (COPPA / GDPR-K)

This app is designed for children and complies with COPPA and equivalent children’s privacy rules. We do not knowingly collect personal information from children. The only personal datum in the system is the parent’s email, and only when the parent chooses to sign in.

Contact

Questions about this policy: cosmos@ripeseed.io