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Last updated: May 23, 2026

Terms of Service#

Please read these Terms of Service (the "Terms") carefully before using Retentio's website, applications, and related services (collectively, the "Services").

By accessing or using the Services, you agree to be bound by these Terms and our Privacy Policy. If you do not agree, do not use the Services.

We may update these Terms from time to time. We will post the revised version on this page and update the effective date above. Your continued use of the Services after changes become effective constitutes acceptance of the updated Terms.

About Retentio#

Retentio provides a collaborative spaced-repetition learning platform that helps users create, study, share, and improve flashcard decks and related learning content.

Eligibility#

You must be at least 13 years old, or the minimum age required in your jurisdiction to use online services, to use the Services. If you are under the age of majority where you live, you may use the Services only with the consent of a parent or legal guardian who agrees to these Terms on your behalf.

You may use the Services only if you can form a binding contract with Retentio and are not barred from doing so under applicable law.

Your account#

To access certain features, you must create an account with a username, email address, and password.

You agree to:

  • Provide accurate and current registration information
  • Keep your login credentials secure and confidential
  • Notify us promptly if you believe your account has been compromised
  • Accept responsibility for all activity that occurs under your account

We may suspend or terminate accounts that violate these Terms or that we reasonably believe pose a risk to the Services or other users.

Acceptable use#

You agree not to misuse the Services. For example, you must not:

  • Use the Services for any unlawful, harmful, fraudulent, or abusive purpose
  • Attempt to gain unauthorized access to accounts, systems, or data
  • Interfere with or disrupt the integrity or performance of the Services
  • Upload malware, spam, or content designed to harm users or systems
  • Scrape, crawl, or harvest data from the Services except as permitted by us
  • Reverse engineer or attempt to extract source code except where allowed by law
  • Impersonate another person or misrepresent your affiliation
  • Upload content that infringes intellectual property, privacy, or other rights of others
  • Publish content that is defamatory, harassing, hateful, sexually exploitative, or otherwise objectionable

We may investigate violations and take action we deem appropriate, including removing content, restricting features, or terminating access.

Your content#

The Services allow you to create, upload, store, share, and publish learning content, including decks, cards, facts, text, images, audio, and related materials ("User Content").

You retain ownership of your User Content. By submitting, sharing, or publishing User Content through the Services, you grant Retentio a worldwide, non-exclusive, royalty-free license to host, store, reproduce, display, distribute, and otherwise use that content as necessary to operate, provide, improve, and promote the Services, including collaborative and shared deck features.

If you share or publish content, you represent that you have the rights needed to do so and that your content does not violate these Terms or applicable law.

You are solely responsible for your User Content and the consequences of sharing it. We do not endorse User Content and are not responsible for content submitted by users.

Shared and collaborative content#

Retentio may allow users to share decks publicly or collaborate with others. Content you choose to make available to other users may be viewed, copied, studied, or contributed to according to the features you enable.

Once content is shared or published, other users may continue to rely on it. You should review sharing settings carefully before making content available to others.

AI-assisted features#

Retentio may offer automated or AI-assisted tools to help review, improve, or analyze deck quality. These features are provided for assistance only. You remain responsible for verifying the accuracy and suitability of your learning materials.

We may process deck content to provide these features as described in our Privacy Policy.

Our intellectual property#

The Services, including software, design, branding, documentation, algorithms, and other materials provided by Retentio, are owned by Retentio or its licensors and are protected by intellectual property laws.

Except for the limited rights expressly granted in these Terms, Retentio reserves all rights. You may not copy, modify, distribute, sell, or lease any part of the Services unless we give you written permission or applicable law allows it.

Third-party services#

The Services may link to or integrate with third-party websites, app stores, or services. Those third parties are governed by their own terms and policies. Retentio is not responsible for third-party services.

Disclaimers#

THE SERVICES ARE PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS OR IMPLIED, INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

We do not guarantee that the Services will be uninterrupted, secure, or error-free, that study results or retention outcomes will meet your expectations, or that User Content will be accurate, complete, or up to date.

The Services are a learning tool and do not constitute professional, medical, legal, or other specialized advice.

Limitation of liability#

TO THE MAXIMUM EXTENT PERMITTED BY LAW, RETENTIO AND ITS AFFILIATES, OFFICERS, EMPLOYEES, AGENTS, AND LICENSORS WILL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS, DATA, GOODWILL, OR OTHER INTANGIBLE LOSSES, ARISING OUT OF OR RELATED TO YOUR USE OF OR INABILITY TO USE THE SERVICES.

TO THE MAXIMUM EXTENT PERMITTED BY LAW, RETENTIO'S TOTAL LIABILITY FOR ANY CLAIM ARISING OUT OF OR RELATING TO THE SERVICES OR THESE TERMS WILL NOT EXCEED THE GREATER OF (A) THE AMOUNT YOU PAID RETENTIO FOR THE SERVICES IN THE TWELVE MONTHS BEFORE THE CLAIM OR (B) USD $100.

Some jurisdictions do not allow certain limitations of liability, so some of the above limits may not apply to you.

Indemnification#

You agree to defend, indemnify, and hold harmless Retentio and its affiliates, officers, employees, and agents from and against any claims, liabilities, damages, losses, and expenses (including reasonable legal fees) arising out of or related to your use of the Services, your User Content, or your violation of these Terms or applicable law.

Suspension and termination#

You may stop using the Services at any time. We may suspend or terminate your access to the Services, with or without notice, if we reasonably believe you have violated these Terms, created risk or legal exposure for us, or if we discontinue the Services.

Upon termination, provisions that by their nature should survive will remain in effect, including ownership, disclaimers, limitation of liability, and indemnification.

Governing law#

These Terms and any dispute arising from them will be governed by applicable law, without regard to conflict-of-law rules, except where mandatory local consumer protection laws apply in your jurisdiction.

Contact us#

If you have questions about these Terms, contact us at: