Contact Us
We reply within
2–3 business days. Check our
FAQ first — your question may already be answered there.
📬 Get in Touch
📋 What to Include
🐛 Bug Reports
If a test isn't working, the screen looks broken, or results seem incorrect, please include:
- Which test page the issue occurred on (include the URL)
- Your device and browser (e.g., iPhone 14 Safari, Android Chrome)
- A clear description of the problem
- A screenshot if possible
📢 Advertising & Partnerships
Interested in advertising on CosmoTest or a content partnership? Please include:
- Brand / company name and point of contact
- Type of collaboration (banner ad, sponsored test, co-created content, etc.)
- Approximate campaign period and budget range
CosmoTest attracts a growing audience of Korean-language users aged 20–40, with high affinity for personal color, relationships, career, and travel themes. English and Japanese audiences are being built out in parallel.
🔒 Privacy Inquiries
For questions about data handling or deletion requests, email kkkw0220@naver.com. CosmoTest runs without a server, so test answers and results are never stored on our end. See our Privacy Policy for details.
💡 Content Suggestions
Have an idea for a new test, or feedback on an existing one? We'd love to hear it. All suggestions are reviewed and may be incorporated into future content.
⏱ Response Time
We aim to reply within 2–3 business days. Responses may be slower on weekends and Korean public holidays. Including "CosmoTest" in the subject line helps avoid spam filters.