Tides — Terms of Service

Last updated: 2026-05-20 Contact: tiopioli89@gmail.com

In short

• Tides is a private mood-and-sky journal. It is not a medical, therapy, or coaching service. It does not predict the future.
• You need to be at least 13 years old to use Tides.
• Your journal entries belong to you. We keep a narrow licence to show them back to you. We do not train AI on them. We do not sell them.
• Tides is offered as it is, free of charge, on a best-effort basis.
• You can delete your account from Settings at any time. We can suspend an account that is abusing the service, after giving you a chance to fix it.

1. About these terms

These are the Terms of Service for the Tides mobile application (“the service”, “Tides”), provided by Tiago Oliver Pinheiro Oliveira as a solo operator based in Spain (“we”, “us”, “our”). By using Tides, you (“you”, “your”) accept these terms.

If you do not accept these terms, do not use Tides. If you accepted these terms when signing up and later disagree with a change, your route is Delete account in Settings.

These terms are governed by the laws of Spain, subject to mandatory consumer-protection law in your country of residence. See Section 12.

2. What Tides is, and what it is not

Tides is a reflective journal for noticing how you feel and how the sky around you (weather, moon phase, astrological context) sits under those feelings. You write a short reflection; Tides keeps it; on quiet days, Tides offers a softly-phrased insight as one possible lens.

Tides is not:

• A medical service. We do not provide medical advice, diagnosis, or treatment. We do not assess mental-health conditions. If you are in crisis, please contact your local emergency service or a qualified professional.
• A therapy service. We are not a substitute for a therapist, a psychologist, a psychiatrist, or any qualified mental-health professional.
• A coaching, productivity, or self-improvement service. Tides has no goals, no streaks, no targets, no scores.
• A predictive service. We do not tell you what will happen tomorrow.
• A social network. Tides is solo. There is no way for another user to see what you wrote.

If anything inside Tides ever reads as though it is telling you what to do, or what is going to happen, treat that as a writing failure on our part — not as advice. Write to tiopioli89@gmail.com and we will fix the wording.

3. Your account

To use Tides you sign in with Google Sign-In. By doing so you acknowledge that:

• You are at least 13 years old. (See Section 10, which mirrors the Privacy Policy’s discussion of Spain’s age-14 floor under LOPDGDD; if you are in Spain and are 13, additional parental-consent steps may apply.)
• You will keep your Google account secure. We rely on Google’s authentication; if your Google account is compromised, your Tides account is reachable from it.
• You will use one account per person. We do not currently enforce this, but a single human is the intended unit.
• The information you provide during onboarding (name, language, date of birth, optional birth time and place, location) is true to the best of your knowledge.

We do not charge for Tides in v1. If we introduce a paid tier later, we will tell you in the app and update these terms before any payment is asked of you.

4. The astrology disclaimer

Tides offers astrology as a reflective frame, not as a predictive system and not as a substitute for professional advice. This matters enough that it is its own section.

What this means in practice:

• An insight is an invitation to notice — never a statement about what is going to happen, never a diagnosis, never a recommendation to act or not act. The voice we have written for is observational (“the Sun is brushing your Moon today”) and open-ended (an open question, never a prescription).
• An insight is not a substitute for medical, mental-health, financial, legal, or relational advice. If a passage in Tides ever seems to be giving you advice that affects a real-world decision, that is the writing failing — the product does not intend that, and you should not rely on it.
• Astrology is offered with care. We treat the craft with the respect it deserves and we resist reducing it to either a punchline or a prophecy. This is a design choice, not a metaphysical claim. People who do not relate to astrology can use Tides as a plain mood journal by leaving the birth-data fields empty; the astrological surface fades to a minimum when you do.
• Weather information shown in Tides is sourced from third parties (currently Open-Meteo). It is provided for context, not for safety decisions. Do not use Tides for forecasting weather you depend on.

In short: Tides is a quiet room you bring a feeling into. It is not a voice telling you what to do.

5. Your content

Your journal entries — your descriptors, your reflections, your birth data, your location — are your content. You retain all rights to them. We do not claim ownership.

To run the service, we need a narrow licence from you. By using Tides, you grant us a limited, non-exclusive, revocable, royalty-free licence to store your content, transmit it between your device and our server, and display it back to you inside Tides, only for the purposes of operating the service for you.

This licence does not include:

• Any right to train artificial-intelligence or machine-learning models on your content.
• Any right to use your content for advertising or marketing.
• Any right to share your content with third parties for their own purposes.
• Any right to publish your content, anywhere, in any form.
• Any right to sublicense, sell, or transfer your content to anyone.
• Any right to retain your content after you delete your account (subject to the 30-day backup-rotation window described in the Privacy Policy).

We send the contents of your daily entry to OpenAI to generate the insight you see in the app. OpenAI’s API terms state that API inputs are not used to train its models; we rely on that policy. See the Privacy Policy, Section 6.4, for the full disclosure.

6. Acceptable use

Tides is a small, private tool. We ask you not to do the following:

• Use Tides to harass or harm another person.
• Use Tides to break the law.
• Try to break into the service, scrape it at scale, or interfere with other people’s use of it.
• Reverse-engineer the service for the purpose of building a competitor or extracting our content. (Inspecting the app for your own learning, security research, or interoperability is fine.)
• Submit content that you do not have the right to submit — for example, copyrighted material that is not yours.
• Submit content designed to attack or pollute the AI insight pipeline (prompt injection at scale, automated abuse, etc.).

If you do any of the above, we may suspend or terminate your access. See Section 9.

7. Availability

We provide Tides on a best-effort basis, free of charge. We do not guarantee uptime. We do not guarantee that any feature will remain available in any future version. We do not guarantee that the service will be free of bugs.

We will try to give you reasonable notice if we plan to discontinue the service. If we do discontinue it, you will have at least 30 days to export your data from Settings before account data is deleted.

8. Changes to these terms

We may change these terms over time. When we do, we will:

1. Update the last updated date.
2. Show a calm notice in the app the next time you open it, summarising what changed.
3. Give you a reasonable window to delete your account if the change materially affects your rights.

Continued use of Tides after a change has taken effect means you accept the change. If you don’t accept, Delete account in Settings is your route out.

9. Termination

You can terminate at any time. Use Delete account in Settings. Your account is removed from our live database immediately; backups rotate out within 30 days. (See the Privacy Policy, Section 5.)

We can terminate or suspend your account if you breach these terms in a way that is not minor. Before we terminate, we will, except in clear-abuse cases:

1. Tell you what we believe you have done.
2. Give you a reasonable opportunity to fix it or to explain.
3. Let you export your data before any termination becomes final.

We do not terminate accounts for inactivity. There is no streak. There is no expiry.

10. Eligibility and age

You must be at least 13 years old to use Tides. (See the Privacy Policy, Section 10, for the Spain-specific note on the 14-year LOPDGDD age and the corresponding open question.) If we learn that we have accepted a user below the minimum age, we will delete the account.

If you are a parent or guardian and you believe a child below the minimum age has signed up, please write to tiopioli89@gmail.com.

11. Disclaimers and limitation of liability

This section is the legally-required, less-friendly part. We have kept it as short as we can.

• Tides is provided “as is” and “as available”, without warranties of any kind, express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, accuracy, or non-infringement.
• We do not warrant that the service will be uninterrupted, error-free, or that any data shown will be accurate at the moment you read it.
• To the maximum extent permitted by applicable law, our total aggregate liability to you in connection with Tides is limited to the greater of (a) the total amount you have paid us in the twelve months before the event giving rise to the claim, or (b) €100. As of the last updated date above, Tides is free of charge, so this cap is the lower of the two — €100.
• We are not liable for indirect, incidental, special, consequential, or exemplary damages, including but not limited to damages for loss of profits, goodwill, data, or other intangible losses.

EU consumer-protection carve-out. Nothing in this section limits or excludes any right you have under the mandatory consumer-protection laws of your country of residence in the European Union or elsewhere. Where such laws give you rights that cannot be waived (for example under Spain’s Texto Refundido de la Ley General para la Defensa de los Consumidores y Usuarios, the EU Sale of Goods and Digital Content Directive (EU) 2019/770 and 2019/771, or Brazil’s Código de Defesa do Consumidor for Brazilian users), those rights are not affected by these terms.

12. Governing law and disputes

These terms are governed by the laws of Spain, without regard to its conflict-of-laws principles.

If you are a consumer resident in the European Union or in the United Kingdom, you may bring proceedings in the courts of the country in which you reside; we may only bring proceedings against you in the courts of the country in which you reside. This is a mandatory consumer right and we are not asking you to waive it.

For all other users, the courts of Tiago Oliver Pinheiro Oliveira’s place of residence in Spain are the primary venue for any dispute, subject to any non-waivable rights in your country of residence.

The European Commission provides an Online Dispute Resolution platform at ec.europa.eu/consumers/odr which you may use to resolve disputes with us, although we will generally prefer to resolve them directly by email at tiopioli89@gmail.com.

13. Miscellaneous

• Severability. If any provision of these terms is found unenforceable, the rest of these terms remain in effect.
• No waiver. If we do not enforce a provision once, that does not mean we have waived our right to enforce it later.
• Assignment. You may not assign your account to another person. We may transfer these terms to a successor entity if Tides is ever acquired or restructured; we will notify you before any such transfer takes effect, and you will have at least 30 days to delete your account if you do not want your account transferred.
• Entire agreement. These terms, together with the Privacy Policy, are the entire agreement between you and us with respect to Tides.

14. Contact

• General contact / beta feedback: tiopioli89@gmail.com
• Privacy: tiopioli89@gmail.com (subject: “Privacy request”)
• Controller / operator: Tiago Oliver Pinheiro Oliveira, Spain
• Postal address: Carrer Provença 60, 08901 Hospitalet de Llobregat, Barcelona, Spain