Privacy Policy

Last updated November 9, 2026

We built the Hall to know as little about you as possible. There is no account, no name, no email, and no advertising tracking unless you allow it.

What stays on your device

Your history, your worldview test answers, your birth year and your jury live only on your iPhone. They are never sent to us. “Delete history” in Settings erases everything stored on the device.

Your questions

When you ask your own question, its text is sent to our server and to Anthropic, our AI provider, to generate the vote and the answers. Anthropic does not use it to train models.

We keep the text of the questions people ask, to improve the Hall: to see what people bring to it, to write new daily questions and to make answers and safety better. A kept question is stored on its own, with nothing that identifies you: no device code, no install code, no IP address and no account. The same question asked again is counted, not stored twice. Questions that trigger crisis support or are refused are not kept. A kept question is deleted 12 months after it was last asked. We do not sell kept questions or share them for advertising.

We also keep the generated votes and answers under one-way codes of the question, so the same question gets the same answers.

Before any answer, every question is checked for signs of crisis, so that someone in distress gets help resources instead of a thinker’s answer.

A random device code

The app creates a random identifier on your device. It is not linked to your name, your Apple ID or any other personal data. We use it to apply daily limits, to know whether your subscription is active, and to count People votes once per device.

Subscriptions

Purchases are made through Apple. We never see your payment details. To check whether your subscription is active, the app uses Adapty, a subscription service, under a code derived from the device identifier. Adapty and Apple tell us the state of the subscription (for example, trial, active, renewing, expired) and the plan. We use this only to give you access.

People votes

When you pick an answer under “What do you think?”, that choice is counted anonymously in the People tally for the question. Our server keeps only the choice under a code derived from your device identifier, never your question text or your address, and shows results only once at least 10 people have voted.

Usage statistics

If “Share anonymous usage stats” is on (the default), we keep usage events: which screens you open, what you tap, how long things take, which thinkers you read, and crash and performance reports Apple delivers to the app on the device (the kind of crash and where, never your content), tied to a pseudonymous install code derived from the random device identifier, and kept for at most 12 months. They never contain your questions, the answers, your report notes, your worldview test answers or your birth year. Turn it off in Settings at any time.

Measuring our ads

To know which of our ads bring people to the Hall, the app uses Tenjin, a mobile measurement service. It receives the app's install, a few steps (your first question, your first own question, coming back the next day, starting a trial or a subscription), Apple's anonymous ad attribution (SKAdNetwork), an identifier Apple gives the app for this device, and the random install number of our own statistics, so Tenjin can tell us which campaign an install came from. Adapty tells Tenjin about subscription purchases. If you installed the app from an Apple Search Ads ad, Apple tells the app which campaign it was, and we file your install under that campaign in our statistics. None of this contains your questions, the answers or your test answers.

On first launch iOS asks whether Hall of Minds may track you. Only if you tap "Allow" does Tenjin also receive your device's advertising identifier (IDFA) and pass your install and these steps to the ad network that showed you our ad (for example Meta or TikTok), so it can tell which ads work. If you tap "Ask App Not to Track", the advertising identifier stays hidden and nothing is matched to you across other companies' apps or websites. You can change this any time in Settings → Privacy & Security → Tracking.

Reports

If you report an answer, we receive the answer, the question it was about and any note you write, so we can fix the problem. Reports are kept only as long as needed for that.

Who we share with

• Anthropic, to generate answers (the question text, as above).
• Adapty and Apple, to run subscriptions (no question text).
• Tenjin, to measure our ad campaigns, and, only if you allowed tracking, the ad networks whose ad you came from (as above, no question text).

We do not sell personal data, and we do not share it for targeted advertising.

Children

The Hall is for adults 18 and older. We do not knowingly collect data from children.

Your choices and rights

You can turn off usage statistics, delete your history on the device, and cancel your subscription at any time. To ask about, or ask us to delete, data tied to your device, write to [email protected].

Changes

We will update this policy when the app changes how it handles data, and say so in the app when it matters.

Contact

Vali Apps LLC · [email protected]