Contact us
Get in touch
Questions about using Semestree, billing and refunds, bug reports, and partnership enquiries all reach us through the channels below. Whichever one you use, the same team reads it — just tell us your account email and what happened.
Inside the app
Replies come back inside the app
Once you're signed in, send it from Settings › Leave feedback — you can attach screenshots — and track the status and the reply under My inquiries.
Address
Registered office — we don't take walk-ins
729A, 2F, 47 Gangnam-daero 112-gil, Gangnam-gu, Seoul 06044, Republic of Korea
Answers that may be faster
- Pricing and billing terms
Prices, billing cycles, access periods, and accepted payment methods are all published there.
- Cancellation and refunds
How to cancel and what qualifies for a refund. Refund requests sent by email get a reply within 3 business days.
- Privacy enquiries
Our data protection contact is Minjun Kwon, and the procedure for access, correction, and deletion requests is in the policy.
- Terms of service
The conditions covering accounts, subscriptions, liability, and termination — including our request that you contact us first, since most issues are resolved that way.
Business information
- Company
- NUHYLabs Inc.
- Officers
- Minjun Kwon, Hyunwoo Jang
- Address
- 729A, 2F, 47 Gangnam-daero 112-gil, Gangnam-gu, Seoul 06044, Republic of Korea
- mj@nuhylabs.com
- Privacy contact
- Minjun Kwon
“Semestree” is operated by NUHYLabs Inc. Hosting is provided by Amazon Web Services.