Portre

Privacy Policy

Last updated 19 October 2026

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Portre (“we”) reads the photo library you grant access to and writes a persona from it. Two people can compare their personas. This policy describes what we collect, why, and how long we keep it.

What we collect

The AI that writes your reading

Your persona is built on our own servers. The sentences you read are written by Claude, an AI model made by Anthropic, and that is the one place your data goes outside our infrastructure. The app asks before this happens and you can refuse; refusing is not the end of the persona, only of the written reading, which then comes from our own templates. You can change the answer at any time in Settings.

What we send to Anthropic: the facts derived from your library — scene labels and their shares, lifestyle ratios (how your days, weeks and seasons run), the named places you return to with visit counts and the months you were first and last there, your character archetype and trait scores, how many photos were read, and your sun sign. For a comparison, the same for both people, and only when both have allowed it.

What we never send: your photos, your name, your email or Apple identifier, your exact coordinates, your messages, or anything that identifies you by name to the model. Anthropic processes the request to return the text and, under its commercial terms, does not use it to train its models. Anthropic’s own privacy policy is at anthropic.com/legal/privacy.

How compare works

You hand a key or a link to someone you already know, or you hold the two phones together; either way they must accept before a comparison is written. Opening a compare link may briefly hit our web host so the app or the App Store can open.

What we do not do

Third parties

Photos and derived signals are processed on our servers solely to provide Portre. The one exception is the reading, described above: the derived facts go to Anthropic (Claude), with your permission, to be written up. Notifications go through the device’s push service. Compare invitation pages are served from our website. Place names are resolved from an offline map extract on our servers.

Retention

Library photos used to build the persona are deleted from our servers once analysis finishes. We keep the derived persona (traits, taste graph, embeddings, uniqueness inputs), the profile photos in your grid, and your compare history. Delete Account in Settings removes the rest, except records we may need to keep for safety or law. You can turn off photo access in iOS Settings; we will not take new library photos after that. You can turn off notifications in Settings.

Contact

Questions or deletion requests: waitlistsupport@gmail.com