
Need assistance?
Our support team is here to help!
Our clients´ needs come first. We handle your inquiries reliably and efficiently, ensuring high-quality results from problem identification through to the final solution.
If you have any questions or run into problems, we’re happy to help.
Our support team is available on weekdays from 9:00 – 12:00 and 13:00 – 17:00 (CET).
ONKOSTAR Support
Phone: +49 721 85 006 45
Email: support@onkostar.de
ONKOSTAR Customer Portal
STUDYSTAR Support
Phone: +49 721 85 006 30
Email: support@studystar.info
STUDYSTAR Customer Portal
GRAVITY Support
Phone: +49 721 85 006 45
Email: info@it-choice.de