Pricing and licensing

We offer single-user licenses and multi-user licenses for developing interactive figures with Kontrast.

950.00 € excl. VAT

for a single-user license.
Volume discounts for multi-user licenses apply (see below).

Content

Our Kontrast software package provides you with:

• Kontrast visualization library
• Developer documentation
• Extensive usage examples
• Kontrast HTTP server

and can be used offline.

Time

The usage is perpetual (no time limit).
Updates and support are provided for one year.

Users

One developer (single-user license) or more (multi-user license).
The number of users/viewers of your visualization is unlimited.

Publishing

You may publish the Kontrast library along with your visualization for non-commercial purposes.

Full info

View our standard license agreement.

Volume discount

Our volume discount price per license $p$ depends on the number of licenses $N$ for $N \leq 100$:

$$p=950\,\text{€}\cdot\left(1-0.3\cdot\mathop{\text{atanh}}\left(\frac{N-1}{30}\right)\right)$$