Policies, licenses and notices.
Clear, readable and honest. Last updated 22 June 2026.
Privacy Policy
Local-first means most of your data never leaves your device.
Culltron is built local-first. Your documents, projects and files stay on your machine. We collect the minimum needed to license software and, if you opt in, to provide Culltron Cloud AI.
What we process
What we don’t do
Terms of Service
The agreement for using Culltron software and services.
By downloading or using Culltron OS, apps or services, you agree to these terms. Culltron OS and Lite apps are provided free; Max, Ultra X26, Suite and Workspaces are paid offerings governed by your purchase and the license below.
Acceptable use
Refund Policy
Refund terms will be shown before any paid checkout.
Paid checkout is not live. Before launch, Culltron will publish the approved refund terms shown at checkout, subject to applicable consumer law. Support can then review requests against those exact terms.
Workspaces (cloud AI)
End-User License Agreement
How Culltron app licenses and offline leases work.
Each Max and Ultra X26 app is licensed per app to your Culltron account, with a server-signed offline lease. You may install and activate on your devices subject to your plan; transfer between machines via App Hub.
Editions
Security
Our security model, in plain terms.
Runtime model
Sentinel makes all of this visible and controllable. Report security issues to security@culltron.tech.
Open-source notices
We build on open-source and credit it.
Several Culltron products are built on or alongside open-source technology. We publish attributions and licenses, and contribute upstream where we can.
Notable components
Release notes
Recent changes across the lineup.
Office Max launch candidate
Video Ultra X26 v1.9
Sentinel v1.5
System requirements
What you need to run Culltron.