Last updated: 28.02.2026
Welcome to zerozerofournine.com and the mobile application “Deck49”. These services are owned and operated by Srijith Kariyattil (Einzelunternehmen), based in Germany, trading under the brand name Zero Zero Four Nine.
By accessing this website, purchasing our products, downloading our free resources, or subscribing to our email communications, you agree to these Terms and Conditions in full.
Srijith Kariyattil (Einzelunternehmen)
trading as Zero Zero Four Nine
c/o Postflex #9448
Emsdettener Str. 10
48268 Greven
Germany
Email: srijith@zerozerofournine.com
This website is built and operated using WordPress, an open-source content management system. By using this site you acknowledge that the site operates on the WordPress platform and that certain functional cookies and session data may be set as a result.
We offer digital downloads including guides, templates, checklists, and other resources designed to assist internationals living or working in Germany. All products are delivered digitally — no physical goods are shipped.
Product descriptions are provided in good faith. We reserve the right to update or modify product content at any time.
The Deck49 app is a digital language-learning tool available on iOS and Android. It provides German vocabulary flashcards using spaced repetition. A free tier and a Premium plan are available. Subscription billing for the mobile app is managed by Apple (App Store) or Google (Play Store) respectively, and their terms apply to in-app purchases.
All payments for products purchased on zerozerofournine.com are processed by Stripe (Stripe, Inc. / Stripe Payments Europe, Ltd.). By completing a purchase, you agree to Stripe’s Terms of Service and Privacy Policy:
We do not store your card details. Stripe is PCI-DSS Level 1 certified and handles all payment card data securely. In the event of a payment dispute or chargeback, Stripe may share transaction data with us as necessary to resolve the matter.
All prices are in Euros (EUR) and include applicable VAT where required. Payments are taken at the time of purchase.
When you request a free download, you provide your email address. Your email is stored in our self-hosted CRM system (FluentCRM) and used to deliver the requested resource and send occasional relevant emails from 0049.
By submitting the form and ticking the consent checkbox, you agree to receive the free guide and occasional emails from Zero Zero Four Nine. You can unsubscribe at any time using the link in any email, or by contacting us at srijith@zerozerofournine.com.
We do not sell or share your email address with third parties for marketing purposes.
All products are digital and are delivered immediately upon purchase. Due to the nature of digital goods, we do not offer refunds once a product has been accessed or downloaded, except where required by applicable law.
If you experience a technical issue with your purchase, contact us at srijith@zerozerofournine.com and we will do our best to resolve it promptly.
All content on this website — including text, templates, guides, graphics, and the Deck49 application — is owned by Srijith Kariyattil (Zero Zero Four Nine) unless otherwise stated. You may not reproduce, distribute, or resell any content without prior written permission.
Personal use of purchased digital products is permitted. Resale, redistribution, or sharing of purchased files is not permitted.
Our products and content are provided for informational purposes only. We make every effort to ensure accuracy but cannot guarantee that all information is complete, current, or error-free. We are not liable for any loss or damage arising from reliance on our content.
To the extent permitted by law, our total liability for any claim arising from the use of our products or services is limited to the amount paid for the specific product in question.
These Terms are governed by the laws of the Federal Republic of Germany. Any disputes shall be subject to the exclusive jurisdiction of the courts of Germany, unless mandatory consumer protection law in your country of residence provides otherwise.
We may update these Terms and Conditions from time to time. The date at the top of this page reflects the most recent revision. Continued use of our services after changes are posted constitutes acceptance of the updated Terms.
For any questions about these Terms:
Email: srijith@zerozerofournine.com