Terms of Service

These Terms of Service (“Terms”) form a binding agreement between you (“you”, “your”) and Yoonle AI (“Yoonle”, “we”, “us”, “our”) governing your use of the website at yoonle.com and the application at app.yoonle.com(together, the “Service”).

By creating an account or using the Service, you confirm that you have read, understood, and agreed to these Terms and to our Privacy Policy. If you do not agree, do not use the Service.

• You must be at least 16 years old to create an account.
• You must provide accurate registration information and keep it up to date.
• You may not create an account if a previous account of yours was terminated for breach of these Terms.
• If you use the Service on behalf of an organisation, you confirm that you have authority to bind that organisation to these Terms.

• You are responsible for everything that happens under your account, including maintaining the confidentiality of your sign-in credentials and OAuth connections.
• Notify us immediately at security@yoonle.com if you suspect unauthorised access.
• One person, one account. Sharing your account with others is not permitted on the Free or Pro plans.

4.1 Free plan (“Wanderer”)

The Free plan is offered at no charge. It includes the limits described on our pricing page. We may change the Free plan’s features or limits with reasonable notice.

4.2 Pro plan (“Master”)

The Pro plan is a paid subscription billed monthly or annually as you choose at checkout. The price displayed at checkout is the price you pay (excluding applicable taxes, which are added at checkout where required). Prices are in United States Dollars (USD).

• Auto-renewal. Your subscription renews automatically at the end of each billing period at the then-current price unless you cancel before renewal.
• Cancellation. You can cancel any time from Settings → Billing. Cancellation takes effect at the end of the current paid period; you keep Pro features until then.
• Plan changes. Upgrades take effect immediately and are prorated. Downgrades take effect at the end of the current period.
• Failed payments. If a renewal payment fails, we may retry billing for up to 14 days. If we cannot collect, we will downgrade your account to the Free plan and your trails created on Pro will remain accessible read-only.

4.3 Refunds

Subscription fees are non-refundable for partial billing periods, except where required by law.

EU consumers: by purchasing a digital subscription that begins providing the service immediately, you expressly consent to the supply beginning before the 14-day statutory withdrawal period expires and you acknowledge that you lose the right of withdrawal once the service has begun (Directive 2011/83/EU, Art. 16(m)).

We will issue a full refund where billing occurred in error, where the Service was materially unavailable for an extended period attributable to us, or where required by mandatory consumer-protection law. Refund requests: billing@yoonle.com.

4.4 Taxes

Prices do not include sales, use, value-added (VAT), or similar taxes. Where we are required to collect such taxes (e.g. EU VAT for B2C consumers), they are added at checkout based on your billing address.

You agree not to use the Service to:

• Generate trails on topics that promote illegal activity, violence, child sexual abuse material, terrorism, or self-harm;
• Attempt to discover or extract the prompts, weights, or system internals of our AI agents, or to reverse-engineer the Service;
• Probe, scan, or test the vulnerability of our infrastructure without prior written consent;
• Use automated means (bots, scrapers, scripts) to access the Service or to generate trails at a rate exceeding the documented plan limits;
• Resell, sublicense, or redistribute trail content or any part of the Service without our prior written permission;
• Upload materials you do not have the right to upload (e.g. copyrighted books, paywalled articles, confidential employer documents);
• Use the Service to violate the privacy or rights of others, or to send spam.

We reserve the right to suspend or terminate any account that violates these rules, with or without notice depending on severity.

6.1 Your inputs

You retain all ownership rights in the topics, materials, and notes you submit to the Service (“Your Inputs”). You grant us a worldwide, royalty-free licence to host, process, and display Your Inputs solely to provide the Service to you.

6.2 AI-generated trails

Trails generated by the Service in response to Your Inputs are produced by third-party Large Language Models. To the extent we hold any ownership in the generated text, structure, and metadata, we grant you a perpetual, worldwide, royalty-free licence to use the generated trail for your personal learning, including for non-commercial sharing.

You may not resell or commercially redistribute generated trails as your own product or course material without our prior written consent.

6.3 No guarantee of accuracy

AI-generated content can be incorrect, incomplete, or out of date. The Service is for personal learning and informational purposes only. It is not professional advice (medical, legal, financial, psychological, or otherwise). Always verify important facts and consult a qualified professional for significant decisions.

6.4 Our intellectual property

The Yoonle name, logo, design system, source code, and underlying agent prompts are owned by us and protected by intellectual-property laws. Nothing in these Terms grants you any right in them beyond the limited right to use the Service.

The Service depends on third-party providers including Microsoft Azure AI Foundry (LLM inference), Supabase (database/auth/storage), Vercel (hosting), Stripe (billing), Google (optional sign-in), and Resend (email). Your use of the Service is also subject to those providers’ terms where they apply directly to you (e.g. Stripe’s payment terms at checkout).

You may terminate your account at any time via Settings → Account → Delete account.

We may suspend or terminate your access immediately if (i) you breach these Terms, (ii) we are required to do so by law, (iii) prolonged inactivity exceeds 24 months on a Free account, or (iv) your account triggers our automated abuse defences. Where reasonably possible we will give you advance notice and an opportunity to remedy.

On termination, sections of these Terms that by their nature should survive (Sections 6, 9, 10, 11, 12, 13, 14) will survive.

The Service is provided “as is” and “as available”. To the maximum extent permitted by law, we disclaim all warranties, express or implied, including any implied warranties of merchantability, fitness for a particular purpose, accuracy, and non-infringement. We do not warrant that the Service will be uninterrupted, error-free, secure, or that AI-generated content will be accurate or suitable for your purposes.

Some jurisdictions do not allow exclusion of certain warranties; the above disclaimer applies only to the extent permitted by your local law.

To the maximum extent permitted by law, in no event will Yoonle, its officers, employees, agents, or sub-processors be liable for any indirect, incidental, special, consequential, exemplary, or punitive damages, including loss of profits, revenue, data, or goodwill, arising out of or related to your use of the Service, even if advised of the possibility of such damages.

Our total cumulative liability for any claim arising out of or related to the Service will not exceed the greater of (a) the amount you paid us in the 12 months preceding the claim or (b) USD 100.

Nothing in this Section limits liability for fraud, gross negligence, wilful misconduct, death or personal injury caused by negligence, or any liability that cannot be limited or excluded under your local law.

You agree to indemnify and hold harmless Yoonle from any third-party claim, loss, or expense (including reasonable legal fees) arising out of (i) your breach of these Terms, (ii) your misuse of the Service, or (iii) your violation of any third-party right, including intellectual-property or privacy rights.

We may update the Service and these Terms from time to time. For material changes that adversely affect your rights, we will give at least 30 days’ advance notice via email or in-app notice. Your continued use after the effective date constitutes acceptance of the updated Terms. If you do not accept the changes, you must stop using the Service before they take effect and may cancel your subscription per Section 4.2.

These Terms are governed by the laws of France, without regard to conflict-of-laws principles.

EU consumersalways retain the protection of the mandatory consumer-protection laws of their country of residence and may bring claims before the courts of that country. The European Commission’s online dispute resolution platform is available at ec.europa.eu/consumers/odr.

For any other user, disputes will be brought exclusively before the competent courts of Paris, France.

• Entire agreement. These Terms and the Privacy Policy form the entire agreement between you and us regarding the Service.
• Severability. If any provision is held unenforceable, the remaining provisions remain in full effect.
• No waiver. Our failure to enforce a provision is not a waiver of that provision.
• Assignment. You may not assign these Terms without our consent. We may assign them in connection with a merger, acquisition, or sale of assets.
• Force majeure. We are not liable for failure to perform due to events beyond our reasonable control (acts of God, war, pandemic, internet or cloud-provider outage, etc.).

Questions about these Terms? Email support@yoonle.com. For billing matters, use billing@yoonle.com.