Terms and conditions

Rosea App

Effective Date: 03.04.2026
Latest Update: 03.04.2026

1. Introduction

Welcome to Rosea ("App"), a mobile application developed by CS TECHNOLOGIES, LDA ("Company," "we," "our," or "us"). By downloading, installing, or using our App, you agree to be bound by these Terms of Use ("Terms"). If you do not agree to these Terms, please do not use the App.

These Terms constitute a legally binding agreement between you and CS TECHNOLOGIES, LDA. Please read them carefully before using Rosea.

2. Eligibility

You must be at least 16 years old to use Rosea. By using the App, you represent and warrant that:

  • You are at least 16 years of age

  • You have the legal capacity to enter into a binding agreement

  • Your use of the App does not violate any applicable law or regulation

If you are between 16 and 18 years of age, you confirm that you have reviewed these Terms with a parent or legal guardian and that they consent to your use of the App.

3. User Responsibilities

By using Rosea, you agree that you will not:

  • Use the App for any unlawful purpose or in violation of any applicable laws or regulations

  • Attempt to hack, disrupt, reverse-engineer, decompile, or disassemble any part of the App

  • Interfere with the security, integrity, or performance of the App

  • Violate any third-party rights, including intellectual property rights

  • Use the App in any manner that could damage, disable, or impair our servers or networks

4. Intellectual Property

IRosea and all associated content, features, trademarks, logos, and designs are owned by CS TECHNOLOGIES, LDA and are protected by applicable intellectual property laws, including copyright, trademark, and patent laws.

Subject to your compliance with these Terms, we grant you a limited, non-exclusive, non-transferable, revocable licence to use Rosea for your personal, non-commercial purposes.

You may not copy, modify, distribute, sell, lease, or create derivative works from any part of the App without our prior written permission.

5. Purchase and Payment

Rosea is available as a paid application on the Apple App Store. By purchasing the App, you receive a permanent, non-transferable licence to use the App on your compatible devices, subject to these Terms.

5.1 Refunds

Refund policies are subject to the terms of the Apple App Store. Please refer to the Apple App Store's refund policy for details.

5.2 Right of Withdrawal (EU/EEA Users)

If you are a consumer in the European Union or European Economic Area, you may have a 14-day right of withdrawal from the date of purchase under the Consumer Rights Directive (2011/83/EU). Since Rosea is purchased through the Apple App Store, the withdrawal and refund process is handled by Apple in accordance with their terms.

To request a refund or exercise your right of withdrawal, please use the refund mechanisms provided by the Apple App Store. If you need further assistance, you may also contact us at legal@carrotsauce.com.

6. Data Collection and Privacy

By using Rosea, you agree to our Privacy Policy, which outlines how we collect, use, and store your data. Key points:

  • We do not sell personal data. We use Expo as a third-party service for app delivery and updates.

  • All personal diary entries, severity logs, symptom records, trigger data, treatment logs, and face photos are stored locally on your device only and are never transmitted to our servers.

  • If you choose to enable iCloud synchronisation, your on-device data will be stored in your personal iCloud account under Apple's privacy policy. CS TECHNOLOGIES, LDA does not have access to this data.

  • If you do not use iCloud synchronisation, we cannot recover your data if you uninstall the App, change your device, or experience device failure. We recommend regularly backing up your device if you wish to retain your data.

7. Disclaimer of Warranties

osea is provided on an "as is" and "as available" basis. To the maximum extent permitted by applicable law, CS TECHNOLOGIES, LDA disclaims all warranties, whether express, implied, or statutory, including but not limited to implied warranties of merchantability, fitness for a particular purpose, and non-infringement.

We do not warrant that the App will be uninterrupted, error-free, or free of viruses or other harmful components.

For EU/EEA consumers: Nothing in these Terms affects your statutory rights as a consumer under applicable EU and national consumer protection laws. Under Directive (EU) 2019/770, if the App has a significant defect that prevents it from functioning as described, you may be entitled to have it brought into conformity or, where the defect is not remedied, to a proportionate reduction in price or contract termination. This does not apply to minor imperfections, occasional bugs, or temporary interruptions, which are inherent to all software.

8. Limitation of Liability

To the maximum extent permitted by applicable law, CS TECHNOLOGIES, LDA shall not be liable for any indirect, incidental, special, consequential, or punitive damages arising from your use of, or inability to use, the App, including but not limited to loss of data, loss of profits, or business interruption.

Our total aggregate liability under these Terms shall not exceed the total amount you have paid to us for Rosea.

Mandatory legal protections: The limitations above do not apply to any liability that cannot be excluded or limited under applicable law. This includes, where required by law: liability for fraud or fraudulent misrepresentation, liability for personal injury caused by negligence, and any other obligations imposed by mandatory consumer protection or other applicable laws.

9. Termination

We reserve the right to revoke your licence to use the App if you materially breach these Terms. Where possible, we will provide you with reasonable notice and an opportunity to remedy the breach.

You may delete the App and all associated data at any time. Uninstalling the App will remove all locally stored data from your device.

Termination does not affect any rights or obligations that accrued prior to termination.

10. Changes to These Terms

We may update these Terms from time to time. When we make material changes, we will:

  • Update the "Effective Date" and "Latest Update" dates at the top of these Terms

  • Present the updated Terms to you within the App and require your acknowledgment before you may continue using Rosea

If you do not agree with the updated Terms, you may stop using the App. Your continued use of Rosea after acknowledging the updated Terms constitutes your acceptance of the changes.

11. Governing Law and Dispute Resolution

These Terms are governed by and construed in accordance with the laws of Portugal.

For EU/EEA consumers: If you are a consumer habitually resident in the EU/EEA, you also benefit from any mandatory provisions of the consumer protection law of your country of residence. Nothing in these Terms affects your right to rely on such mandatory provisions. Any dispute arising from or in connection with these Terms may, at your option, be brought before the courts of your country of habitual residence or the courts of Portugal.

For non-EU users: Any disputes arising from these Terms shall be resolved through the competent courts of Portugal. Before initiating court proceedings, both parties agree to attempt to resolve any dispute through good-faith negotiation for a period of at least 30 days.

You may also be able to use alternative dispute resolution mechanisms offered by national consumer protection bodies in your country of residence.

12. Severability

If any provision of these Terms is found to be invalid, illegal, or unenforceable by a court of competent jurisdiction, that provision shall be limited or eliminated to the minimum extent necessary, and the remaining provisions shall continue in full force and effect.

13. Entire Agreement

These Terms, together with the Privacy Policy, constitute the entire agreement between you and CS TECHNOLOGIES, LDA regarding your use of Rosea and supersede any prior agreements or understandings.

14. Contact Information

If you have questions about these Terms, contact us at:

Email:legal@carrotsauce.com

Company: CS TECHNOLOGIES, LDA

Important Disclaimer

Rosea is a personal rosacea diary designed to help you track symptoms, triggers, and treatments. The App does not offer medical diagnoses, treatment recommendations, or professional health advice.

If you are experiencing severe skin conditions or require professional care, we strongly recommend consulting with a qualified dermatologist or healthcare provider.