Training Example: Clue – Review the Data, Give Your Score & Compare to the Real AI Evaluation

The #1 women-led period and cycle tracker appUnderstand your body like never before. Science-based, privacy-first.For everyone with a cycle.Get started100M+ App downloads4.8
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Get smarter every cycleThe Clue app supports every life stage – from your first period to perimenopause.Track cycle symptoms in secondsSee how your cycle affects your moodKnow when your period, PMS and ovulation days are comingAnticipate symptoms before they show upKnow when you’re fertileTurn gut feelings into evidenceStart my journey with ClueYour data is safe with usData privacy is non-negotiable. We have never, and will never, sell your health data or share it with any authority. Your Clue app data is protected by strict EU privacy laws, no matter where you are in the world.Manage your data in ClueHow we handle data privacy >Strict German and EU data privacy standardsUsing data for goodClosing the gap with bleeding-edge scienceFor too long, women’s health has been under-researched. We're changing that. In partnership with Oxford, Berkeley, MIT and other leading institutions, our real-world data is advancing women’s health research.Join the movementTrusted by millions in over 190 countries“I've been tracking my cycle for over 2 years now and thanks to your analytics my doctor picked up on some mild PCOS.”Verified Clue userClue Plus has taught me things about my body I should have learned earlier in life but didn’t. I also love the feature that allows me to share my cycle data with my partner.”Verified Clue user“Designed and run by women who aren’t selling your data. Intuitive to use and an interface that is lovely to look at but also clean lines and simple. I’ve been using Clue for years now.”Verified Clue user"I urge all women to always listen to their bodies, and for extra peace of mind, download the Clue app. I believe it saved my life; it could save yours."Verified Clue user"Tracking my symptoms (with Clue) gave me the confidence to say to myself, 'I do know what I’m talking about, I do know my experiences and I have the data right here."Verified Clue user“Had been trying to get pregnant for a few months with nothing happening and started using this app to track my period and ovulation and was expecting within two months!”Verified Clue user“I think this app is so well made and highly useful. It is invaluable when I have doctor dates. As someone going thru perimenopause I really appreciate the ability to see patterns.”Verified Clue userChoose the plan that works for youCreate an account for freeGet essential cycle statisticsPlan ahead with basic cycle predictionsDownload appUnlock advanced cycle insights, predictions and pattern analysisSwitch tracking modes based on your specific needs and goalsUse Clue Connect to share your cycle with a loved oneEnjoy unlimited access to content from medical expertsUnlimited tracking customizationGet 25% offPeriod TrackingWith Clue you can track your cycle and get an overview of your essential cycle statistics.Create an accountClue Menstrual HealthDeep cycle insights, personalized tracking and reminders, and science-based content from medical experts.Get Clue PlusLearn more >Trying to conceive?Get personalized predictions based on an evidence-based algorithm to guide you through your conception journey with Clue Conceive.Get Clue PlusLearn more >Follow your pregnancyTrack your pregnancy and how you're feeling, with expert week-by-week insights and guidance.Get Clue PlusLearn more >Your guide through PerimenopauseTrack and understand your changing cycle as you transition to menopause, with expert content at your fingertips.Get Clue PlusLearn more >Track without a periodNo period? No problem. Track hormonal cycle-related experiences without needing to track menstrual bleeding.Create an accountLearn more >Built by women, for everyone with a cycleIda Tin co-founded Clue in 2012 as the first women-led period tracker. Her mission: give people with cycles the tools to understand their own bodies. Today, Clue remains women-led, science-driven, and trusted by millions.More about ClueMeet our CEO, Rhiannon WhiteMeet Ida Tin our co-founder who coined 'femtech'Our commitment to protecting your data

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[H1] Clue Privacy Policy
Last updated May 20, 2026
[H3] 1. How Clue values data privacy
At Clue, we believe that technology and data present a groundbreaking opportunity to empower people to take control of their health. The Clue app gives people the ability to understand what is going on inside of their bodies and minds based on individual tracked health data, providing self-insight and self-advocacy that’s powered by data processing.We also fully acknowledge the responsibility that comes with being the safekeepers of so much intimate data which is tracked by people using Clue. Which is why we are always striving to achieve the highest standards of privacy and security. Keeping your data safe is at the core of everything we do.We see it as our job to be clear and transparent so that you can truly understand what we do with your data, even though the digital ecosystem of an app is complex. To provide our service as a health app, we rely on a number of other providers as summarized below to help us. Please read the whole of this Privacy Policy to understand how we handle your data. We have done our best to make it as clear and comprehensible as possible. If you have any questions, reach out to us at <trust@helloclue.com>.If you are a US resident, you can read our Supplemental US Privacy Notice here.
[H3] 2. The types of data we process
We process three types of data in order to provide our services on the Clue app and the helloclue.com website. All of our data is securely stored on servers located in the European Union (EU).Account data: In order to create your Clue account, we process some of your personal data such as a username, date of birth and email address.Usage data: In order to provide our services and technically improve performance, we process how you interact with our products using different data points. Such data includes device data, which informs us about the device you use to access our app services (such as device model, name and identifiers, device settings, application identifier, crash information). On our website, we also collect information about your browser (such as browser settings, operating system, system settings). Other usage data includes the IP address provided by your browser or mobile device, which we collect in order to deliver the service to your device. We also use the IP address to determine your approximate location for statistical and analytics purposes, and for regulatory compliance in different countries. We do not collect your precise location.Health data: In order to provide our service as a health app, we process health data and other sensitive data that you choose to track in the Clue app. Such health data may include your cycle information (e.g. period length, pain, or spotting), and depending on the data you provide, it may also contain other sensitive data about your experiences (e.g. weight, body temperature, hair quality, sexual intercourse). We only process the health data you choose to share with the Clue app via tracking. You may use different methods provided by the app to track your health data in the app. This can include manually entering your data into the app, or importing your data from other integrations or devices supported by Clue (such as Apple Health or fitness trackers).
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3. How and why we process your data
Data processing is essential to providing the service of Clue. Whenever you use our services, some personal and non-personal data is collected, stored, and analyzed using internal and third-party tools.Below are the purposes for which we process your data, and the type of data that’s processed to fulfill each purpose:
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3.1 To provide our core service to you
To provide our service, we process the following:Health data: This is processed whenever you track your health data in the Clue app, either manually or through import integrations, in order to provide our core service as a health tracking app. This includes both your cycle information data and other sensitive data that you choose to track in the Clue app. Device data, event data, usage data, IP address: This is processed when you use the Clue app or helloclue.com, to understand how you interact with our services and to technically improve performance.Account data: This is processed when you set up your Clue account in the app or in the website, to enable you to sign in to the Clue app, and additionally to communicate with you on service-related topics. Such communications may include information about your account, essential app updates, or insights and recommendations based on health data you have tracked. These communications can be sent to you via in-app messages, reminders, notifications, or emails.
Please read the following sections to understand which third party services, integrations, and partnerships we use to provide our core service.
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3.1.1 Essential third party providers:
We use several third party providers to help us perform our core services.
Amazon Web Services: Clue uses Amazon Web Services EMEA SARL (“AWS”) as our hosting provider to store our data on secure servers. We only use AWS data centers in the European Union. All data stored with AWS is encrypted by Clue.
Braze: Clue uses services operated by Braze, a company based in the United States, to help us facilitate communication with you via in-app messages, push notifications and emails. Such communications may include information about your account, essential app updates, or insights and recommendations based on health data you have tracked. For this purpose Braze processes your email address, name, user identifier, certain tracked health data, and usage data. This data is always treated in a masked, obfuscated (pseudonymized) form.
Braze has ensured an adequate level of data protection by being listed under the EU-US Data Privacy Framework ,and by also entering into an agreement with Clue based on the Standard Contractual Clauses for data transfer between EU countries and non-EU countries (see Section 4). The privacy policy of these services can be found on their respective websites. Data concerning your use of the Clue app is stored on a server in the EU, operated by Braze, Inc.
It is not possible to opt-out of Braze as it is an essential tool that we require in order to provide our services to you. However, you can opt out of certain types of messaging from Braze, as explained in Section 3.6.
Datadog: Clue uses services provided by Datadog Inc. (Datadog), a company based in the United States, to carry out service and infrastructure monitoring and alerting. Datadog helps us monitor the application performance in real time and resolve issues impacting our users quickly. Datadog stores the data on EU servers.
It is not possible to opt-out of Datadog as it is an essential tool that we require in order to provide a functioning Clue app to you.
Firebase Cloud Messaging: The Android Clue app uses Firebase Cloud Messaging (FCM) to send push notifications and alerts to your device. This service is provided by Google Inc. For this purpose Firebase Cloud Messaging requires a "Push Token" to function. This token is a unique identifier linked to a specific device.
It is not possible to opt-out of Firebase as it is an essential tool that we require in order to provide a functioning Clue app to you.
Sparkpost: Clue uses services provided by Message Systems Inc. (“SparkPost”), a company based in the United States, to process names, email addresses and personal information that may be included in transactional emails (such as “I lost my password” or “Verify your Clue account” emails).
It is not possible to opt-out of Sparkpost as it is an essential tool that we require in order to provide a functioning Clue app to you. Legal basis: The legal basis for processing your account data and usage data for providing our Clue services is Art 6 Sec. 1 lit b) GDPR, and Art 9 Sec.2 lit a) GDPR for your health data.
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3.1.2 Integrations to track your data:
In addition to manually tracking your health data in the Clue app, importing data from other sources is supported for the integrations listed below.Apple Health (iOS): This section is only applicable to users who choose to sync their Apple Health app with the Clue app. Clue will not exchange any personal data with Apple’s Health app unless you specifically approve this. Approval can be given by you in the relevant settings of the Health app or within the Clue app via your Settings. If you have given your approval, Clue may interact with the Health app on your iOS device and read and/or write information between the Clue app and the Health app. This may include a transfer of your personal data to Apple servers located outside the European Union.You can choose if and to what extent your personal data is exchanged between Clue and the Health app by granting or revoking the relevant permissions in your Health app settings. This can be done at any time. Please refer to the Privacy Information of Apple Health for further information.Google Health Connect (Android): This section is only applicable to users who choose to sync the Clue app with Google Health Connect. Clue will not exchange any personal data with Health Connect unless you specifically approve this.Approval can be given by you in the Health Connect app settings on your device or within the Clue app via your Settings. If you have given your approval, Clue may interact with Health Connect on your Android device to read and/or write information between the Clue app and Health Connect. This may include a transfer of your personal data to Google servers, which may be located outside the European Union.You can choose if and to what extent your personal data is exchanged between Clue and Health Connect by granting or revoking the relevant permissions in your Health Connect settings. This can be done at any time. For more information on how Google handles your data, please refer to the Google Health Connect Privacy Policy.Wearables integrations: Clue is partnering with certain companies who provide wearable devices to their users (“Wearables Partners”). This section is only applicable to users who sign up to Clue via a Wearables Partner, or who already have a Clue Plus account and have decided to connect their Clue account with their wearable device. Clue will not exchange any personal data with Wearables Partners. If you have connected your Wearables Partner profile with your Clue profile and given permission in your Wearables Partner app settings, the Wearables Partner shares some tracked data with us. We use this for the purpose of providing better data visualization and enhancing your Clue app experience, and for other purposes depending on what you have agreed to in the Clue app’s privacy settings.You can choose if and to what extent your personal data is exchanged between the Wearables Partner and Clue, by granting or revoking the relevant permissions in your Wearables Partner settings. This can be done at any time. You can read more about this in the respective privacy policies of the Wearables Partners. You can find a list of our Wearables Partners here.
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3.1.3 Social logins:
When first creating your Clue account, there are several options on how to sign up. In addition to signing up with your email address, it’s possible to use services provided by Facebook, Apple, or Google.
Facebook Login: Clue uses “Facebook Login” to allow users to sign in to their Clue account with their Facebook credentials. If you use this service, you authorize us to collect your basic profile information from Facebook, such as your name, email address and profile picture. This information is collected by Facebook and is provided to us under the terms of Meta’s Privacy Policy. You can control the data we receive from Facebook in the privacy settings within your Facebook account.
If you signed up to Clue using Facebook,Clue will only exchange with Facebook the types of data you provided to Facebook when creating an account with them (such as name, email address). This may include a transfer of your personal data to Facebook servers located outside the European Union. It is your choice if and to what extent you use the “Facebook Login” service and what information you provide to Facebook. Absolutely no health data will be exchanged with Facebook.
Sign in with Apple: Clue uses “Sign in with Apple” to allow users to create and sign in to their Clue account with their Apple credentials.
If you sign up to Clue using Apple, Clue will exchange certain data with Apple like device data, IP-address, and information you provided to Apple when creating an account with Apple Inc. This may include a transfer of your personal data to Apple servers located outside the European Union. It is your choice if and to what extent you use the “Sign in with Apple” service and what information you provide to Apple. Absolutely no health data will be exchanged with Apple for the purpose of using the “Sign in with Apple” service.
Sign in with Google: Clue uses “Sign in with Google” to allow users to create and sign in their Clue account with their Google credentials. If you use this service, you authorize us to collect your basic information from Google, like your email address. You can manage this any time in your Google account. Please see Google's resources for more details on this.
If you sign up to Clue using Google, Clue will exchange with Google the types of data you provided to Google when creating an account with them (such as name, email address). This may include a transfer of your personal data to Google servers located outside the European Union. It is your choice if and to what extent you use the “Sign in with Google” service and what information you provide to Google. Absolutely no health data will be exchanged with Google.
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3.1.4. Partnerships
To allow users from other platforms to sign up to Clue and subscribe to Clue Plus, Clue has partnerships with a number of business partners, including wellbeing applications providers (“Partner”).This section is only applicable to users who sign up for Clue Plus via a Partner. Clue Plus is part of the service offering of such Partners.If you choose to sign up for Clue Plus using your Partner subscription, the Partner sends Clue your pseudonymized identifier to us as confirmation that you are a Partner subscriber. Upon receiving this information, Clue will then activate your Clue Plus subscription. Clue shares with Partners whether you have been active in the Clue app. This is done by sending an event, such as ‘Create Record’ to the Partner. The event name depends on the partner, however, at no point does the Partner ever receive any of your tracked health data, nor any event names that would reveal anything about your health. A list of such partnerships can be found on our webpage.Legal basis: Our legal basis for processing the above mentio