Contact Us
We're here to help with any questions about DelftPrep
Send us a message
Fill out the form and we'll get back to you within 24 hours
Email Support
For general inquiries:
support@delftprep.comResponse Time
- ✓Starter tier: Within 48 hours
- ✓Enhanced tier: Within 24 hours (priority)
- ✓Complete tier: Within 24 hours (priority)
Common Questions
How do I upgrade my plan?
Visit your settings page or contact support for assistance.
Can I get a refund?
Yes, we offer a 14-day money-back guarantee.
How often is content updated?
We add new problems monthly and update existing ones based on feedback.
Office Hours
Monday - Friday: 9:00 AM - 6:00 PM (CET)
Saturday - Sunday: Closed