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© 2026 flatter. All rights reserved.

Privacy Policy

Effective Date: April 25, 2025

At Flatter, we are committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your personal information when you use our website (the 'Site') or services. Our web application helps home buyers worldwide, including in the United States and European Union, choose the right apartment through a modern, user-friendly interface with 3D layouts. By using Flatter, you agree to the terms of this Privacy Policy.

1. Information We Collect

We collect information to provide and improve our services. There is no user account or profile creation on our Site; users can browse and contact us via a contact form. The types of information we collect include:

1.1 Personal Information

When you submit a contact form on our Site, we collect the following personal information:

  • First Name
  • Last Name
  • Phone Number
  • Email Address
  • Message

1.2 Analytics and Performance Data

We use PostHog and Sentry, our third-party analytics and performance monitoring services, to collect non-personal information about how users interact with our Site and to monitor site performance and errors. This may include: PostHog’s Privacy Policy and Sentry’s Privacy Policy.

  • Device information (e.g., browser type, operating system, IP address)
  • Usage data (e.g., pages visited, time spent on the Site, clicks, and interactions with 3D layouts)
  • Approximate location data (derived from IP addresses)
  • Performance metrics and error logs (e.g., page load times, application errors)

1.3 Automatically Collected Information

When you visit our Site, we may automatically collect certain information, such as:

  • Log data (e.g., access times, pages viewed)
  • Cookies and similar technologies to enhance user experience and track Site performance

1.4 Bot Protection (Google reCAPTCHA)

We use Google reCAPTCHA v3 on our contact form to protect against spam and automated abuse. reCAPTCHA is a service provided by Google LLC. When you submit the contact form, Google may collect information including:

  • IP address
  • Browser type and version
  • Operating system
  • Mouse movements and interaction patterns on the page
  • Cookies set by Google

The legal basis for this processing is our legitimate interest in protecting the security and integrity of our services (Article 6(1)(f) GDPR). This data is transmitted to and processed by Google on their servers, which may be located outside the EU/EEA. For more information on how Google processes this data, please refer to: Google's Privacy Policy, Google's Terms of Service.

2. How We Use Your Information

We use the information we collect for the following purposes:

  • To Communicate with You: We use the personal information from the contact form to respond to your inquiries or provide information about apartments.
  • Future Marketing Communications: If you opt in, we may use your email address to send marketing emails or newsletters about our services or apartments. You can unsubscribe at any time using the link provided in those communications.
  • To Improve Our Services: Analytics and performance data help us understand how users interact with our Site, monitor errors, and enhance the user interface, 3D layouts, and overall functionality.
  • To Ensure Site Functionality: Automatically collected data helps us maintain and optimize the Site’s performance and security.
  • To Comply with Legal Obligations: We may use or disclose information to comply with applicable laws, regulations, or legal processes, including GDPR for EU users.

3. How We Share Your Information

We do not sell, trade, or share your personal information with third parties for their own purposes. We may share your information only in the following circumstances:

  • Service Providers: We share personal information with trusted third-party service providers, specifically Supabase (for data storage), PostHog (for analytics), Sentry (for performance monitoring and error tracking), and Resend (for sending emails), to perform functions on our behalf. These providers are contractually obligated to protect your information and use it only for the purposes we specify.
  • This may include: Supabase’s Privacy Policy and Resend’s Privacy Policy(PostHog and Sentry's policy already linked above).

  • Legal Requirements: We may disclose your information if required by law, court order, or government regulation, or if we believe such disclosure is necessary to protect our rights, safety, or property.
  • Business Transfers: If Flatter is involved in a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction. We will notify you of any such change in ownership or control of your personal information.

4. Data Storage and Security

Your personal information is stored in our Supabase database. We implement reasonable technical and organizational measures to protect your data from unauthorized access, loss, or misuse. However, no system is completely secure, and we cannot guarantee the absolute security of your information.

5. Your Choices and Rights

You have certain rights regarding your personal information, subject to applicable laws, including GDPR for EU residents:

  • Access and Update: You may request access to or updates of the personal information we hold about you.
  • Deletion: You may request the deletion of your personal information, except where we are required to retain it for legal or operational purposes.
  • Opt-Out of Marketing: If you opt in to marketing emails or newsletters, you can unsubscribe at any time using the unsubscribe link in those communications.
  • Opt-Out of Analytics: You can opt out of PostHog’s data collection by adjusting your browser settings to block cookies or using PostHog’s opt-out tool at PostHog Opt-Out. Similarly, you can limit Sentry’s data collection by adjusting browser settings.
  • Cookies: You can manage cookie preferences through your browser settings. Note that disabling cookies may affect the functionality of the Site.

To exercise these rights, please contact us at contact@flatter.hu.

For EU users, under GDPR, you also have the right to:

  • Restrict or object to certain processing of your data.
  • Data portability (receive your data in a structured, commonly used format).
  • Lodge a complaint with a supervisory authority in your country.

6. Data Retention

We retain personal information from the contact form for as long as necessary to fulfill the purposes outlined in this Privacy Policy (e.g., to respond to your inquiries or provide services) or as required by law. If you opt in to marketing communications, we retain your contact information until you unsubscribe. Analytics and performance data are retained in accordance with PostHog’s and Sentry’s data retention policies.

7. International Data Transfers

Flatter serves users worldwide, and your information may be transferred to and processed in countries other than your own, including the United States, where Supabase, PostHog, Sentry, and Resend are based. For EU users, we ensure that any international transfers comply with GDPR requirements, such as standard contractual clauses or other approved mechanisms, to protect your data.

8. Children’s Privacy

Our Site and services are not directed to individuals under the age of 16. We do not knowingly collect personal information from children under 16. If we learn that we have collected such information, we will take steps to delete it.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements. We will notify you of any material changes by posting the updated policy on our Site with a revised 'Effective Date.' We encourage you to review this policy periodically.

10. Contact Us

If you have questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us at:

contact@flatter.hu

Thank you for trusting Flatter with your information. We are committed to protecting your privacy and providing a seamless experience.