Privacy policy for the app

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The Nub Techs app: privacy policy

The Nub Techs app is run by The Nub Techs (Claire Lilley-Windust). If you have any questions about your data, email info@thenubtechs.com.

What we collect and why

• Your scan picture. When you ask for a reading, the picture is sent securely to our scan reader so our AI can read it. Our scan reader runs on Supabase and Render, and uses OpenAI's AI service alongside our own nub angle AI. The picture is used only to read your scan. We ask for your OK before the first scan is sent.

• How far along you are. If you've added your due date in the app, we send how many weeks pregnant you are with the scan, to help the AI read it. The due date itself stays on your phone.

• Same scan, same answer. We keep a short code worked out from the picture, together with its result, so the same scan always gets the same answer. The code can't be turned back into your picture.

• Purchases. Payments are taken by Apple or Google. We never see your card details. RevenueCat records which readings were bought, with an anonymous ID, so your reading can be unlocked.

What stays on your phone

Your results, your due date, saved names, lists and quiz answers are kept on your phone and are not sent to us. Deleting the app deletes them.

What we don't do

We don't ask for your name, email address or any account. We don't sell your data, show ads or track you across other apps.

Your rights

Under UK data protection law you can ask what we hold about you, and ask us to delete it, by emailing info@thenubtechs.com. You can also complain to the Information Commissioner's Office at ico.org.uk.

Who the app is for

The app is meant for adults. It is for entertainment and is not medical advice.

Last updated: 9 November 2026.