Terms of sale
Last updated October 26, 2026
Seller
Maradevi Oy.
Transition
Ancient Science OÜ () is transferring its mentoring business to Maradevi Oy. Purchases made before the transfer remain with Ancient Science OÜ until completed. The seller of each purchase is the company named on the checkout page and on the receipt.
Services
One-on-one online mentoring in meditation, breathwork and yoga practice, delivered over Zoom in multi-month programs.
Prices and payment
Prices are shown in euros on each program page before purchase. Payments are processed securely by Stripe. Charges appear on your card statement as MARADEVI.
Right of withdrawal and refunds
If you are a consumer, you may withdraw from your purchase within 14 days of the purchase date by emailing . If you asked us to start the program during the 14-day period, we will refund the amount paid minus the share of the program already delivered. After the 14-day period, payments are non-refundable except where required by law.
Contact
Terms of use
These terms apply to ancientscience.com and miskakappi.com and to the TIE app (app.miskakappi.com), operated by Miska Käppi / Ancient Science. By using the services you accept these terms.
Not healthcare
The Path mentorship, the site content and the app's practices are guidance supporting wellbeing and self-knowledge. They are not healthcare, therapy or medical advice, and they do not replace them. If you have health concerns, consult a healthcare professional. Breathing practices are done at your own responsibility; stop a practice if you feel unwell.
Intellectual property
The content of the sites and the app (texts, videos, images, practices) is protected by copyright. You may use the content for personal practice; copying, distribution or commercial use without permission is prohibited.
Using the app
Your app account is personal. We reserve the right to close accounts used in violation of these terms. You can delete your account at any time from the app's profile view.
Limitation of liability
The services are provided as is. We do not guarantee uninterrupted availability and are not liable for indirect damages to the extent mandatory law allows liability to be limited.
Changes and governing law
We may update these terms; material changes will be announced on this page. These terms are governed by the laws of Finland.