# Saving and connecting data

Choosing who can open an app and choosing whose entries they see are separate decisions. Every app has its own database, with lists for the things it saves.

## Shared and private entries

By default, a list is shared: everyone who can open the app sees the same entries, like a team sign-up sheet. A private list shows each signed-in person their own entries. Invite people by email when each person needs private entries, such as their own expenses.

A share link does not identify each person using it. Use email invitations for private entries.

Cloche handles sign-in and who may change each row, so your AI doesn’t write a login or its own database.

## Data from other tools

An app can also show data from another product you use. It reads that data live, with each person’s own access to the product, so people see only what they can see there.

Whoever made the app can keep a copy instead. Everyone who can open the app then sees that copy, including people with no access to the product.