Altarus Publishing Ltd | Last updated: June 2026
These terms govern your use of authoros.app and the services provided by Altarus Publishing Ltd. By using this website or any of our tools, you agree to these terms. If you do not agree, please do not use the site.
AuthorOS is a product of Altarus Publishing Ltd, a company registered in Cyprus. References to "we", "us", or "our" in these terms mean Altarus Publishing Ltd. References to "you" or "your" mean the person accessing or using this website.
AuthorOS provides a range of tools and resources for writers, including:
The availability and pricing of paid products may change. We will notify active subscribers of any material changes to pricing before they take effect.
Some features require you to create an account. You are responsible for keeping your login details secure and for any activity that takes place under your account. If you suspect unauthorised access, contact us immediately.
Paid subscriptions are billed in advance on a monthly basis. You may cancel at any time. Cancellation takes effect at the end of your current billing period — you will not be charged again after that point, but we do not issue partial-month refunds. If you believe you have been charged in error, contact us and we will investigate.
You may use AuthorOS for lawful purposes only. You must not:
Any writing, notes, or other content you create or store within AuthorOS remains yours. We do not claim ownership of your work. We will not access, read, or share your content except where required to provide the service or where we are legally required to do so.
The writing guides, tool interfaces, branding, and all other content we produce are owned by Altarus Publishing Ltd and protected by copyright. You may download and use writing guides for your personal use. You may not republish, resell, or redistribute them without our written permission.
AuthorOS provides information and tools to help writers plan and complete their work. Nothing on this site constitutes professional literary, legal, or financial advice. We make no guarantee that using our tools will result in a finished book, a publishing deal, or any specific outcome.
We do our best to keep AuthorOS running reliably, but we cannot guarantee uninterrupted access. We may need to take the platform offline for maintenance from time to time. We are not liable for any losses arising from downtime or technical issues.
We try to ensure the information in our guides and tools is accurate and up to date, but writing and publishing practices change. We make no warranty that any information is complete or current.
This site may link to external websites or mention third-party tools and services. We are not responsible for the content, privacy practices, or reliability of any third-party site. A link does not imply endorsement.
To the fullest extent permitted by law, Altarus Publishing Ltd is not liable for any indirect, incidental, or consequential loss arising from your use of AuthorOS, including loss of data, loss of earnings, or any damage to your work. Our total liability in any circumstances is limited to the amount you have paid us in the three months preceding any claim.
These terms are governed by the laws of Cyprus. Any disputes will be subject to the exclusive jurisdiction of the courts of Cyprus, except where local consumer protection law in your country provides otherwise.
We may update these terms from time to time. We will post the updated version on this page with a revised date. If you continue to use AuthorOS after a change, you accept the updated terms.