Last updated: 9 July 2026
Horizon4 is operated by ΧΑΤΖΗΛΑΜΠΡΟΥ ΕΥΑΓΓΕΛΟΣ ΤΟΥ ΜΙΧΑΗΛ (CHATZILAMPROU EUAGGELOS TOU MICHAIL), a Greek sole proprietorship registered with GEMI under number 053376248000, VAT number 076250761, Tax Office of Katerini, with registered address at K. Karamanli 42, Anatolikou Olympou, Dion-Olympos / Pieria, 60065, Greece.
By creating an account or using Horizon4, you agree to these Terms of Service. If you do not agree, do not use the service.
Horizon4 is a spatial project management tool that helps you orient and manage your projects visually on a canvas. The service is provided as-is and is subject to change or discontinuation at any time.
You are responsible for maintaining the confidentiality of your login credentials. You must notify us immediately of any unauthorised use of your account. You may not create accounts using automated means or misrepresent your identity.
You agree not to use Horizon4 to:
You retain ownership of all content you create in Horizon4. You grant us a limited licence to store and display your content solely for the purpose of providing the service to you. We will not access your content except as required for technical support or legal obligations.
We make reasonable efforts to keep your data safe and the service available, but we do not guarantee uninterrupted access. You are encouraged to maintain your own backups of important data.
You may delete your account at any time. We reserve the right to suspend or terminate accounts that violate these terms, with or without prior notice.
Horizon4 is provided "as is" without warranties of any kind. To the fullest extent permitted by law, we are not liable for any indirect, incidental, or consequential damages arising from your use of the service.
We may update these terms from time to time. Continued use of the service after changes constitutes your acceptance of the revised terms.
For general inquiries, contact hello@horizon4.app. For support requests, contact support@horizon4.app. For privacy, data protection, or GDPR-related requests, contact privacy@horizon4.app.