Free apps
KZplay, KZsave and KZmidi are free and open to use — no license, no time limit.
Free trial
KZsynth, KZgenerator and KZvocoder start with a 7-day trial period. All features are available during the trial. The trial timer starts independently for each app the first time you launch it.
License types
| Product | Type | Scope | |
|---|---|---|---|
| KZsynth | Version | Valid for the current major version (v1.x.x). Future major upgrades require a new license. | Contact us |
| KZsynth | Lifetime | Valid for all current and future versions, forever. | Contact us |
| KZgenerator | Version | Valid for the current major version (v1.x.x). Future major upgrades require a new license. | Contact us |
| KZgenerator | Lifetime | Valid for all current and future versions, forever. | Contact us |
| KZvocoder | Version | Valid for the current major version (v1.x.x). Future major upgrades require a new license. | Contact us |
| KZvocoder | Lifetime | Valid for all current and future versions, forever. | Contact us |
How it works
- Contact us at contact@kaurzyk.com with the product and license type you want.
- You receive a license token by email.
- In the app, click "Enter License", paste your email and token.
- The app activates instantly — no internet connection required afterwards.