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Privacy

Privacy policy

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cento53 is a Catholic companion for reading and understanding the Bible. Visiting a Catholic website can say something about a person's faith, so we collect as little as possible. This page explains what happens to your data on cento53.com and in the cento53 Android app.

In short

  • You do not need an account. We do not ask for your name, email or phone number.
  • What you save, your journey and your settings stay on your own device.
  • Your questions are used to answer you and are not stored. They are never sent to analytics.
  • Google Analytics runs only if you press Accept, and you can change your mind at any time.

Who is responsible

The data controller is Daniel Teixeira da Mota Pinto. For any question about privacy, or to exercise your rights, write to jcr@cento53.com.

What stays on your device

Some features remember things in your browser's local storage, or in the app's storage on your phone. This data never leaves your device and we cannot see it:

  • saved passages, answers and pages, and My Journey;
  • the pages you visited recently, to help you pick up where you left off;
  • your theme (light or dark) and your cookie choice.

When you ask a question

Search and What are you going through? look for matches on your own device. A question you send to Ask goes to our server only to find and write the answer. We do not store the text of your question.

For each answer we keep technical information only: the date, how long it took, how many citations it had, and, when an AI model is used, which one and how many words it processed. It contains no question text, no IP address and no identity.

To keep the service fair, your IP address is held in the server's memory for a daily question limit. It is not written to any database and is discarded when the day changes or the server restarts.

Today the answers are produced by our own system, without sending your question to an outside artificial intelligence company. If that changes, we will update this policy before it happens and name the provider.

Cookies and Google Analytics

On the website we use Google Analytics 4, from Google Ireland Limited and Google LLC, to understand which pages help people most. It runs only after you press Accept on the banner. If you press Decline, or ignore the banner, no Google script is loaded and no analytics cookie is set.

If you accept, Google sets the cookies _ga and _ga_<id> (they last up to two years) and receives: the address of the page without anything after the question mark (so never the text of a search or question), the page title, your browser and device type, an approximate location derived from your IP address, and how you move between pages. Google signals and advertising personalisation are turned off.

The legal basis is your consent (GDPR article 6(1)(a) and, because pages on a Catholic site may reveal religious belief, article 9(2)(a); LGPD articles 7, I, and 11, I). You can withdraw it at any time with Cookie settings at the bottom of every page: we then stop Google Analytics and delete its cookies. The Android app does not use Google Analytics.

The only other cookie is a session cookie for our editors when they sign in to the editorial area. It is strictly necessary for that area and is not used for visitors.

Churches near you

On the Brazilian Mass page you can choose to look for Catholic churches near you. Only if you tap the button and allow it in your browser, your approximate position is sent from your browser directly to public OpenStreetMap servers (Overpass API, overpass-api.de, and its mirror overpass.kumi.systems) to list nearby churches. We do not receive or store your location. Links to Google Maps open Google's own site, under Google's privacy policy.

Hosting and technical logs

The website and its server run on Netlify, Inc. Like any web host, Netlify processes your IP address and the address of each request in order to deliver the page and protect the service, and may keep short-term technical logs. An address can include a question if you opened a link that contains one.

Technical answer records are kept in a database at Supabase, Inc. They contain no question text and no IP address.

Who receives data, and transfers outside the EU

We do not sell or rent data, and we do not show advertising. Data reaches only the providers named above (Netlify, Supabase, Google if you accept analytics, and OpenStreetMap servers if you use Churches near you), each for the purpose described.

Some of these providers are in the United States. Where data leaves the European Economic Area or Brazil, the transfer relies on the EU-US Data Privacy Framework, where the provider is certified, or on the European Commission's standard contractual clauses.

How long we keep data

Question text: not kept. IP address for the daily limit: until the end of the day, in memory only. Technical answer records: they identify no one, and we keep them while they help us measure cost and quality. Data on your device: until you delete it or clear your browser or app data. Google Analytics data: kept by Google for no more than 14 months. Your cookie choice: until you change it or clear your browser. Emails you send us, for example to be told when cento53 Plus is ready: kept only as long as we need them to reply, and deleted whenever you ask.

Children

The website and the cento53 app are meant for adults and young people. The cento53 Kids page on this site is written for parents. The cento53 Kids app is a separate app: it keeps what it needs on the device only and makes no internet connections.

Your rights

Under the GDPR and the Brazilian LGPD you can ask to access, correct or delete your data, to restrict or object to its use, to receive it in a portable format, and to know with whom it was shared. You can withdraw consent at any time without affecting what was done before. Write to jcr@cento53.com.

Because we do not ask who you are, we usually hold nothing that identifies you. Data on your device you can delete yourself. For Google Analytics, decline cookies or clear them, and Google stops linking visits to you.

You can also complain to a data protection authority: in Portugal, the CNPD (cnpd.pt); in Brazil, the ANPD (gov.br/anpd); or the authority of the country where you live.

Changes to this policy

When we change how data is used, we update this page and the date at the top before the change takes effect. If a change needs your consent, we will ask for it again.