Last updated: November 22, 2025
These Terms of Service ("Terms") govern your access to and use of the Natural World Library mobile application (the "App") operated by Double Proficiency ("we", "our", or "us"). By accessing or using the App, you agree to be bound by these Terms.
If you do not agree to these Terms, you may not access or use the App. We reserve the right to modify these Terms at any time, and your continued use of the App constitutes acceptance of any changes.
You must be at least 13 years old to use the App. By using the App, you represent and warrant that you meet this age requirement and have the legal capacity to enter into these Terms.
If you are using the App on behalf of an organization, you represent that you have the authority to bind that organization to these Terms.
To access certain features of the App, you must create an account. You agree to:
You may not share your account with others or create multiple accounts. We reserve the right to suspend or terminate accounts that violate these Terms.
Subject to these Terms, we grant you a limited, non-exclusive, non-transferable, revocable license to access and use the App for your personal, non-commercial use. This license does not include:
All content in the App, including but not limited to text, graphics, images, plant information, folklore, illustrations, and software, is the property of Double Proficiency or its licensors and is protected by copyright, trademark, and other intellectual property laws.
The App provides information about real-world plants, including ethnobotanical, folkloric, and scientific content. This content is designed for use in tabletop roleplaying games (TTRPG) and educational purposes.
You may create notes, annotations, and custom collections within the App ("User Content"). You retain ownership of your User Content, but grant us a worldwide, non-exclusive, royalty-free license to use, store, and display your User Content as necessary to provide the App's functionality.
You represent and warrant that your User Content does not violate any third-party rights or applicable laws.
You agree not to:
Important: The App provides information about plants for educational and entertainment purposes, particularly for use in tabletop roleplaying games. This information should not be used as medical, health, or safety advice.
Certain features of the App may require payment or subscription. By purchasing a subscription or making a payment:
We reserve the right to suspend or terminate your account and access to the App at any time, with or without cause or notice, including if:
You may terminate your account at any time by contacting us. Upon termination, your right to use the App will immediately cease, and we may delete your account and data in accordance with our Privacy Policy.
THE APP IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, OR COURSE OF PERFORMANCE.
We do not warrant that:
TO THE MAXIMUM EXTENT PERMITTED BY LAW, DOUBLE PROFICIENCY SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS, REVENUE, DATA, OR USE, ARISING OUT OF OR RELATED TO THESE TERMS OR THE APP.
OUR TOTAL LIABILITY SHALL NOT EXCEED THE GREATER OF (A) THE AMOUNT YOU PAID TO US IN THE TWELVE MONTHS PRECEDING THE CLAIM OR (B) ONE HUNDRED DOLLARS ($100).
Some jurisdictions do not allow the exclusion or limitation of certain warranties or liabilities, so some of the above limitations may not apply to you.
You agree to indemnify, defend, and hold harmless Double Proficiency and its officers, directors, employees, and agents from any claims, liabilities, damages, losses, and expenses (including legal fees) arising from:
These Terms are governed by the laws of the jurisdiction in which Double Proficiency is located, without regard to conflict of law principles.
Any dispute arising from these Terms or the App shall be resolved through binding arbitration, except that either party may seek injunctive relief in court for intellectual property disputes or to enforce these arbitration provisions.
You agree that any arbitration or legal proceeding shall be conducted on an individual basis only, and not as a class action or collective proceeding.
The App may contain links to third-party websites or services that are not owned or controlled by us. We are not responsible for the content, privacy policies, or practices of any third-party services. You acknowledge and agree that we shall not be liable for any damages arising from your use of third-party services.
We reserve the right to modify, suspend, or discontinue the App or any part thereof at any time, with or without notice. We shall not be liable to you or any third party for any modification, suspension, or discontinuation of the App.
If you have any questions about these Terms, please contact us:
Double Proficiency
Email: legal@doubleproficiency.com
BY USING THE APP, YOU ACKNOWLEDGE THAT YOU HAVE READ THESE TERMS OF SERVICE, UNDERSTAND THEM, AND AGREE TO BE BOUND BY THEM. IF YOU DO NOT AGREE TO THESE TERMS, DO NOT USE THE APP.