Privacy Policy

Last updated: April 1, 2026

1. Introduction

Rentalyz is operated by Mosaik Digital Kft. (Tax number: HU27491560, Registered seat: 1126 Budapest, Királyhágó utca 5/A 3. em. 1B. ajtó), a company registered in Hungary ("Company", "we", "our", "us"). This Privacy Policy explains how we collect, use, and protect your information when you use our website and services at rentalyz.com.

2. Information We Collect

Information you provide

  • Account information (email address) when you sign up
  • Calculator inputs that you choose to save
  • Payment information processed securely through Stripe (we do not store card details)

Information collected automatically

  • Usage data (pages visited, features used)
  • Device and browser information
  • IP address and approximate location

3. How We Use Your Information

  • To provide and improve our calculators and services
  • To save your calculations and property data
  • To process payments for premium features
  • To send important service updates (no marketing spam)
  • To analyze usage patterns and improve the user experience

4. Calculator Data

When you use our free calculators without an account, all calculations happen entirely in your browser. No data is sent to our servers. If you create an account and choose to save calculations, that data is stored securely in our database.

5. Data Sharing

We do not sell your personal information. We may share data with:

  • Stripe — for payment processing
  • Supabase — for database hosting and authentication
  • Netlify — for website hosting
  • Analytics providers — for aggregated, anonymized usage data

6. Data Security

We use industry-standard security measures including encryption in transit (HTTPS), secure authentication, and row-level security on our database to protect your data.

7. Your Rights

You have the right to:

  • Access your personal data
  • Request correction of inaccurate data
  • Request deletion of your account and data
  • Export your data
  • Opt out of non-essential communications

To exercise these rights, contact us at hello@rentalyz.com.

8. Cookies

We use essential cookies for authentication and session management. We may use analytics cookies to understand how visitors use our site. You can control cookie preferences in your browser settings.

9. Changes to This Policy

We may update this policy from time to time. We will notify registered users of significant changes via email. The "Last updated" date at the top indicates the most recent revision.

10. Contact

If you have questions about this Privacy Policy, please visit our contact page.

Mosaik Digital Kft.
Tax number: HU27491560
Registered seat: 1126 Budapest, Királyhágó utca 5/A 3. em. 1B. ajtó