Duolingo
Duolingo Terms and Conditions of Service
Duolingo is a mobile and web application that provides gamified language-learning lessons and related educational content to users worldwide.
Analyzed August 12, 2026
Key findings
Summary
Duolingo's terms include a broad, perpetual, irrevocable license to user-submitted content and an outright assignment of "Activity Materials" (educational output like translations) to Duolingo. The company can terminate accounts for any reason without notice, and subscriptions are non-refundable. Arbitration is mandatory with a class-action waiver, though it includes an opt-out, small claims carveout, and informal resolution step.
Category Breakdown
The document itself does not detail specific data collection practices beyond referencing the separate Privacy Policy, indicating standard account and usage data collection typical of online services.
From: PrivacyUse of the Service is also governed by our Privacy Policy, a copy of which is located at www.duolingo.com/privacy.
Duolingo may share Promotion Code usage data, including individual usage data, with third-party Code Providers such as employers.
From: Promotion Code TermsDuolingo may share data relating to your use of the Promotion Code with your Code Provider, including both anonymized, aggregate data, and individual usage data.
Duolingo requires a perpetual, irrevocable, worldwide license to user-submitted Content and requires users to fully assign ownership of 'Activity Materials' generated through use of the service to Duolingo.
From: Proprietary Rights in Service Content and Activity MaterialsBy using the Service, you hereby assign to Duolingo any and all rights, title, and interest, including any intellectual property rights or proprietary rights, in the Activity Materials.
Duolingo may terminate a user's access to the Service immediately, at any time, for any reason, without stated notice requirements.
From: TerminationDuolingo may terminate your access and use of the Service immediately at any time, for any reason, and at such time you will have no further right to use the Service.
The terms require mandatory binding arbitration administered by the AAA with a class-action waiver, but provide a 30-day opt-out, a small claims court carveout, and a required informal settlement conference before arbitration; a court venue clause also applies to non-arbitrable disputes.
From: Dispute Resolution & ArbitrationIf you do not want to arbitrate disputes with Duolingo and you are an individual, you may opt out of this arbitration agreement by sending an email to legal@duolingo.com within 30 days of the day you first access or use the Service.
Subscriptions and promotional free trials auto-renew and convert to paid plans unless cancelled, and all payments including Virtual Items and partial membership periods are stated as nonrefundable.
From: Refund PolicyAll payments are nonrefundable and there are no refunds or credits for Virtual Items or partially used membership periods, unless otherwise required by the law in your jurisdiction.