User agreement

Terms of Use

Welcome to PeriodlyWise. These Terms of Use explain the rules and conditions that apply when you access or use the PeriodlyWise website, tools, calculators, trackers, account features, saved records, reports, content, and related services.

By using PeriodlyWise, you agree to these Terms of Use. If you do not agree, you should stop using PeriodlyWise. These Terms should be read together with our Disclaimer, Medical Disclaimer, Privacy Policy, and Cookie Policy.

Last updated: May 26, 2026

Table of contents

DefinitionsEligibilityPurpose of the siteMedical and health-related useAccountsGoogle sign-in and authenticationUser data and saved recordsLocal storageAdvertisingTracking, analytics, and cookiesAcceptable useIntellectual propertyUser-entered contentDownloads, exports, and reportsThird-party links and servicesPrivacyNo warrantiesLimitation of liabilityChanges and terminationGoverning law and contact

1. Definitions

For these Terms of Use, the following definitions apply:

TermMeaning
PeriodlyWise, we, our, or usThe PeriodlyWise website, brand, tools, operators, owners, developers, contributors, and related services.
Website or SitePeriodlyWise and any pages, tools, content, calculators, trackers, reports, or features available through the PeriodlyWise domain or related official deployments.
ToolsThe Period Tracker, Ovulation Tracker, Fertility Window Tracker, Irregular Period Tracker, account features, saved records, downloadable reports, reminders, and any other interactive feature provided by PeriodlyWise.
User, you, or yourAny person who accesses, views, or uses PeriodlyWise.
ContentText, graphics, icons, layouts, code, calculations, explanations, reports, summaries, designs, page content, metadata, and any other material available on PeriodlyWise.
User DataInformation you enter, save, submit, or generate while using PeriodlyWise, including cycle details, records, account information, preferences, notes, and tool outputs.

2. Eligibility

You may use PeriodlyWise only if you are legally able to agree to these Terms. If you are under the age of majority in your location, you should use PeriodlyWise only with involvement and permission from a parent or legal guardian.

You are responsible for making sure your use of PeriodlyWise is lawful in your location. If local law restricts your ability to use health, cycle tracking, account, advertising-supported, or online services, you must follow those local requirements.

3. Purpose of the site

PeriodlyWise provides educational and personal tracking tools related to menstrual cycle awareness, period estimates, ovulation estimates, fertility-window estimates, and irregular-cycle tracking. Our site is intended to help users organize timing information and better understand estimate ranges.

PeriodlyWise is not a medical provider, fertility clinic, contraception provider, emergency service, or professional advisory service. Your use of PeriodlyWise is also subject to our Medical Disclaimer, Disclaimer, Privacy Policy, and Cookie Policy.

4. Medical and health-related use

PeriodlyWise tools are for personal tracking and education only. PeriodlyWise does not provide medical advice, diagnosis, treatment, contraception guidance, fertility treatment, pregnancy confirmation, ovulation confirmation, or emergency guidance.

You agree not to rely on PeriodlyWise as a substitute for qualified healthcare advice. For health-related limitations, read our Medical Disclaimer.

5. Accounts

Some PeriodlyWise features may require an account, including saved records, private cycle history, account-based reports, and personalized tracking features. When creating or using an account, you agree to provide accurate information, keep your login credentials secure, avoid sharing your account with unauthorized users, notify us if you believe your account has been misused, and use account features lawfully and responsibly.

You are responsible for activity that occurs through your account. We may restrict, suspend, or remove access to account features if we believe an account is being misused, used unlawfully, used to harm the service, or used in violation of these Terms.

6. Google sign-in and authentication

PeriodlyWise may allow sign-in using Google or other authentication providers. If you use a third-party sign-in provider, your use of that provider is also governed by its own terms and privacy practices.

We are not responsible for issues caused by third-party authentication services, including outages, account restrictions, login failures, or changes to their policies.

7. User data and saved records

You may enter or save cycle-related information, including period dates, period lengths, cycle lengths, regularity choices, flow, notes, and generated reports. You are responsible for the accuracy and appropriateness of the information you enter.

You should not enter information that you do not want processed, stored, displayed, exported, or included in reports. PeriodlyWise may use the information you provide to operate the tools, generate estimates, save records, display account history, and improve user experience, subject to the Privacy Policy.

8. Local storage

Some features may use local browser storage. Local storage can be affected if you clear browser data, use private browsing, change browsers, change devices, disable storage permissions, block scripts, or use privacy extensions.

PeriodlyWise does not guarantee that locally stored data will remain available permanently.

9. Advertising

PeriodlyWise may display advertising, sponsored content, affiliate links, or promotional placements in the future. Ads may be provided directly by PeriodlyWise or by third-party advertising partners. Ad content may be personalized or contextual depending on applicable settings, technology, and law.

Sponsored or affiliate content may generate compensation for PeriodlyWise. Advertising does not mean PeriodlyWise endorses every advertised product or service. Third-party advertisers are responsible for their own claims, products, services, and landing pages.

10. Tracking, analytics, and cookies

PeriodlyWise may use cookies, local storage, analytics tools, pixels, logs, or similar technologies to operate the site, understand usage, improve features, protect security, remember preferences, support account sessions, measure performance, and support advertising where applicable.

Tracking technologies may collect information such as pages visited, device type, browser type, approximate location, referral source, interaction events, session information, performance data, and cookie or local storage identifiers. Use of these technologies is explained in our Privacy Policy and Cookie Policy.

11. Acceptable use

You agree not to misuse PeriodlyWise. You must not:

Security and access

  • attempt to access another user's account
  • interfere with site security
  • attempt to bypass authentication or access controls
  • upload malicious code
  • reverse engineer, attack, overload, or disrupt the service

Misuse and unlawful activity

  • use the site for unlawful purposes
  • scrape, copy, or harvest data at scale without permission
  • impersonate another person
  • enter unlawful, abusive, or harmful content
  • use PeriodlyWise to harass, exploit, or harm others

12. Intellectual property

PeriodlyWise content, design, branding, layout, icons, text, graphics, code, tool logic, reports, and other materials are owned by PeriodlyWise or used with permission. You may use PeriodlyWise for personal, non-commercial purposes.

You may not copy, reproduce, modify, distribute, sell, license, mirror, scrape, or create derivative works from PeriodlyWise content or tools without permission, except where allowed by applicable law.

13. User-entered content

If you enter notes, records, preferences, or other content into PeriodlyWise, you retain responsibility for that content. You grant PeriodlyWise the limited right to process, store, display, and use your entered content as needed to operate the tools and provide the service.

You agree not to enter content that is unlawful, abusive, misleading, infringing, harmful, or violates another person's rights.

14. Downloads, exports, and reports

PeriodlyWise may allow users to download, print, copy, share, or export reports and summaries. These reports are provided for personal reference only. They are not medical records, clinical reports, official documents, or professional advice.

You are responsible for how you store, share, or use exported information.

15. Third-party links and services

PeriodlyWise may link to or integrate with third-party websites, services, authentication providers, analytics tools, advertising networks, infrastructure providers, or other external services. We are not responsible for third-party content, policies, practices, availability, security, claims, products, services, or damages caused by third parties.

Your use of third-party services may be governed by their own terms and policies.

16. Privacy

Your use of PeriodlyWise is subject to our Privacy Policy. The Privacy Policy explains how we may collect, use, store, protect, and share information.

Because PeriodlyWise may involve sensitive cycle-related information, you should review the Privacy Policy carefully before creating an account or saving records.

17. No warranties

PeriodlyWise is provided on an as is and as available basis. We do not guarantee that the site will always be available, tools will always be accurate, content will always be complete or current, saved data will never be lost, reports will be error-free, authentication will always work, third-party services will always function, or the site will meet your expectations.

18. Limitation of liability

To the fullest extent permitted by applicable law, PeriodlyWise and its owners, operators, developers, contributors, affiliates, service providers, and partners will not be liable for damages arising from or related to your use of PeriodlyWise.

This includes damages related to inaccurate estimates, unavailable tools, lost data, account access issues, reliance on content, third-party services, advertising, tracking technologies, exported reports, interruptions, errors, or misuse of the tools.

19. Changes and termination

We may update, modify, suspend, or discontinue PeriodlyWise, including any tool, page, account feature, report, content, design, calculation, or policy, at any time. We may also change how features work, add new tools, remove old tools, introduce advertising, add tracking technologies, change account options, or adjust saved-record functionality.

We may update these Terms of Use from time to time. Continued use of PeriodlyWise after changes are posted means you accept the updated Terms. We may suspend or terminate access to PeriodlyWise or any feature if we believe you have violated these Terms, misused the service, created risk, attempted unauthorized access, or used the site unlawfully.

20. Governing law and contact

These Terms are governed by the laws of the applicable jurisdiction determined by PeriodlyWise's operator, unless otherwise required by applicable law. Before final launch, this section may be reviewed and updated with the correct operating jurisdiction.

For questions about these Terms, contact PeriodlyWise through the contact method provided on the website. By using PeriodlyWise, you confirm that you have read, understood, and agreed to these Terms.