Terms of Use

Effective date: 24 September 2026 · Version 1.0

These terms govern your use of Stet. Please read section 4 carefully: once midnight passes, a page can no longer be changed. That is how Stet is designed.

1. Publisher and host

• Publisher: Mehdi NECIB, individual developer — 8 Rue Serge Levasseur, France — +33 6 51 52 57 14 — support@stetnote.app
• Publication director: Mehdi NECIB
• Website host: GitHub, Inc., 88 Colin P. Kelly Jr. Street, San Francisco, CA 94107, USA — github.com
• App data host: Supabase, Inc. (USA) — supabase.com — data stored in the European Union

2. Acceptance

By installing or using Stet, you accept these Terms of Use and our Privacy Policy. If you buy Premium, our Terms of Sale also apply. If you do not agree, please do not use Stet.

3. The service

Stet is a journal with one page per day. You can write without an account; your pages then stay on your device. With a free account, your pages are backed up and synced between your devices. Optional features, such as weekly recaps, may be offered, some of them as part of a paid Premium subscription. Stet contains no advertising.

4. The midnight rule

• Today's page can be written and changed until midnight in the time zone where the page was started.
• At midnight, the page closes for good. Neither you nor we can change or reopen it afterwards. Days without writing stay blank; a past day cannot be filled in later.
• Changing your phone's clock or time zone does not reopen a closed page. If you wrote offline before midnight, what you wrote is kept and synced later.
• If you really need a page to disappear, you can ask us: see our support page. Deleting your account deletes all your pages.

This rule is an essential feature of Stet, not a defect. By using Stet, you accept it.

5. Age and account

• You must be at least 16 years old to use Stet.
• You may sign in with Apple, Google or an email address and password. You are responsible for keeping your password and your Apple or Google account secure, and for activity under your account. Tell us promptly if you think someone else has access to it.
• An account is personal; one person per account.
• If you lose access to the email address or the Apple or Google account used to sign in, we may be unable to restore your access, as we cannot read your journal to verify your identity.

6. Your content

• What you write is yours. We claim no ownership over it.
• You grant us only the non-exclusive, worldwide, free licence needed to store, copy (for backups and sync), transmit and display your content to you, and, if you turn on recaps, to send it to our recap provider and show you the result. This licence ends when your content is deleted, subject to the backup delays described in the Privacy Policy.
• We do not read, publish or share your journal, and we do not use it to train artificial intelligence models.
• Stet is not designed to store content that is illegal to possess. You remain responsible for what you write.

7. Weekly recaps

Recaps are produced automatically by an artificial intelligence system from your pages, only if you agree. They can be incomplete or wrong, and may misread what you meant. They are not an assessment of you, a diagnosis or advice of any kind. Quotes in a recap are checked against your pages, but the summary around them is an interpretation. You can turn recaps off at any time.

8. Stet is not a care service

Stet is not a medical device, a health service or a substitute for a professional. It does not monitor what you write and nobody reads your pages. If you are in danger or thinking of harming yourself or someone else, contact the emergency services (112 in Europe, 911 in North America) or a crisis line in your country right away.

9. Acceptable use

You agree not to:

• attempt to access other users' data, our servers or systems without authorisation, or bypass security or the midnight rule;
• reverse engineer, decompile or disassemble the app, except where the law expressly allows it;
• use Stet to store or distribute malware or to overload or disrupt the service;
• use automated means to create accounts or send requests;
• resell or commercially exploit the service without our written permission.

We may suspend an account in case of serious or repeated breach, after warning you where possible and unless urgency or the law prevents it. You can contest a suspension by writing to us.

10. Availability, backups and data loss

• Writing today's page works offline and never depends on our servers. Sync, recaps and restoring a journal need an internet connection.
• We take reasonable care to keep the service running and your data safe, but we cannot guarantee uninterrupted availability. Maintenance, outages or events beyond our control may occur.
• Without an account, your pages exist only on your device. If you delete the app, reset or lose your phone, they cannot be recovered. We recommend creating an account to back them up.
• We may change or stop a feature. If we decide to shut down Stet, we will give you at least 60 days' notice and a way to get a copy of your pages.

11. Premium

Stet is free to use. Some features may require a Premium subscription, sold through the App Store or Google Play under our Terms of Sale. Writing, syncing and reading your journal will always remain free.

12. Intellectual property

The app, its design, texts, illustrations, name and logo are protected and belong to the publisher or its licensors. We grant you a personal, non-exclusive, non-transferable, revocable licence to use the app on devices you own or control, for private purposes, in accordance with these terms and the rules of your app store. Open-source components are used under their own licences.

13. Deleting your account and termination

• You can stop using Stet at any time and delete your account in Settings › Delete my account or on our web page. Deletion is permanent: your pages and recaps cannot be recovered.
• Deleting your account does not cancel a store subscription; cancel it in your App Store or Google Play settings.
• If we terminate your account for a serious breach of these terms, we will tell you why, except where the law forbids it, and give you a reasonable time to retrieve your pages unless that is impossible for security reasons.

14. Liability

• We are responsible for providing the service as described, in accordance with the law.
• We are not liable for damage caused by your own misuse, by a breach of these terms, by the loss of pages stored only on your device, by the loss of your login credentials, by a third party or by force majeure.
• To the extent allowed by law, the free service is provided “as is”, and our total liability for the free service is limited to the direct and foreseeable damage you suffer.
• Nothing in these terms limits or excludes liability for death or personal injury caused by negligence, for fraud, for gross negligence or wilful misconduct, or any other liability that cannot be limited by law, nor your statutory rights as a consumer, including the legal guarantee of conformity for digital content and services.

15. App Store and Google Play

If you downloaded Stet from Apple's App Store:

• these terms are between you and the publisher only, not Apple; Apple is not responsible for the app or its content;
• Apple has no obligation to provide maintenance or support for the app;
• if the app fails to conform to any applicable warranty, you may notify Apple, and Apple will refund the purchase price, if any; to the maximum extent permitted by law, Apple has no other warranty obligation;
• Apple is not responsible for handling any claims relating to the app, including product liability claims, claims that the app fails to conform to legal or regulatory requirements, and consumer protection or privacy claims;
• Apple is not responsible for investigating, defending, settling or discharging any third-party claim that the app infringes intellectual property rights;
• you confirm that you are not located in a country subject to a U.S. Government embargo or designated as a “terrorist supporting” country, and that you are not on any U.S. Government list of prohibited or restricted parties;
• you must comply with applicable third-party terms, such as your mobile data contract;
• Apple and its subsidiaries are third-party beneficiaries of these terms and may enforce them against you.

If you downloaded Stet from Google Play, the Google Play Terms of Service also apply to your download. In case of conflict with the rules of your app store on matters they govern, those rules prevail.

16. Changes

We may update these terms, for example to reflect a new feature or a change in the law. We will inform you in the app at least 30 days before significant changes take effect, unless the change is required immediately by law or security. If you do not agree, you can delete your account before the changes apply. Continuing to use Stet after that date means you accept the new terms.

17. Governing law and disputes

• These terms are governed by French law. If you are a consumer residing in another country, you also keep the protection of the mandatory provisions of the law of your country of residence.
• Please contact us first at support@stetnote.app: most problems are solved quickly this way.
• If you are a consumer and we cannot reach an agreement, you may bring a claim before the competent court, which for consumers is in particular the court of your place of residence.

If a clause of these terms is held invalid, the other clauses remain in force.