: While your license is perpetual for a specific version, you must pay an additional fee to upgrade to new major versions.
You can download and use StarUML for free during a .
: A one-time payment allows you to use the purchased version forever without monthly or annual fees. License Key Staruml
Starting with , StarUML has transitioned from a user-based model to a device-based licensing model . This shift is designed to simplify license management for administrators and eliminate legal ambiguity.
: Exported diagrams in evaluation mode will contain "Unregistered" or "Pro Only" watermarks. : While your license is perpetual for a
: A license is typically priced per device. If you buy a license for one device, it can only be activated on that specific machine.
: Some community guides suggest resetting the trial by uninstalling and deleting hidden data folders (like AppData\Roaming\StarUML ), but this is a temporary workaround and does not replace a valid license. How to Activate Your License Key Starting with , StarUML has transitioned from a
: StarUML does not currently offer floating licenses for concurrent users; licenses must match the number of devices where the software is installed. Pricing Tiers
(Prices are based on standard professional licenses as of the latest documentation) Evaluation Mode and Trial Limits