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Privacy Notice

Last updated: 4 October 2026
On this page
  • 1. Who we are
  • 2. What we collect
  • 3. How we use it
  • 4. Who we share it with
  • 5. Health & fitness data
  • 6. How long we keep it
  • 7. Your rights
  • 8. Cookies
  • 9. Children's privacy
  • 10. Changes to this notice
  • 11. Contact

1. Who we are

DailyFit15 is a product of Pulse Fifteen Ltd, a company registered in England and Wales under company number 10042256 ("Pulse Fifteen", "we", "us", "our"). Pulse Fifteen Ltd is the data controller for the personal data described here. This notice explains what personal data we collect when you use our website, mobile app, and mailing list, why we collect it, and what rights you have over it.

2. What we collect

We collect different data depending on how you interact with us:

  • Mailing list sign-up - your email address, and which plan (if any) you expressed interest in, when you sign up for launch updates on our website.
  • Account data - your name and email address when you create an account, via email or through Google or Apple sign-in.
  • Subscription data - your chosen tier and billing status, handled by our payment providers (see "Who we share it with" below); we don't store your card details ourselves.
  • Training data - workouts completed, session length, streaks, and any training goals or event dates you add (e.g. an upcoming marathon or Ironman).
  • Goal programme data - if you start a goal programme: the goal you describe in your own words, how long you want it to run, the other exercise you do each week (day, type, how hard, how long), and your weekly check-in answers (how the week felt, what went well and what didn't, anything new such as an injury or travel).
  • Menstrual cycle data - only if you choose to have your easier weeks follow your cycle: your typical cycle length, the date your last period started, whether you usually feel weaker around your period, and any new start date you add at a check-in. See section 5.
  • Device & usage data - basic technical information such as device type, app version, and crash logs, to help us fix problems.

3. How we use it

We use your data to:

  • provide and personalise the Service, including choosing your daily workout and, for Coaching-tier users, informing your coach's plan;
  • build and adjust your goal programme, if you start one, including placing easier weeks and fitting sessions around your other exercise;
  • process payments and manage your subscription;
  • send you service-related emails (such as launch updates, if you've signed up for them, or receipts);
  • understand how the Service is used so we can improve it; and
  • meet our legal and regulatory obligations.

4. Who we share it with

We don't sell your personal data. We share it only with the service providers that help us run DailyFit15, including:

  • Mailchimp - to manage our pre-launch and marketing mailing list, if you've signed up for updates.
  • RevenueCat, Apple App Store, Google Play, and Stripe - to process subscription payments and manage entitlements.
  • Google and Apple - if you choose to sign in using your Google or Apple account.
  • Microsoft Azure - our cloud hosting provider, which stores and processes data on our behalf.
  • Anthropic - only if you turn on the optional "AI workout insights" feature in Account settings. When it's on, we send that workout's summary (the workout name and type, its exercises and the muscles they work, its duration, and the difficulty/pain feedback you gave) to Anthropic's Claude AI to write you a short personalised recap. We don't send your name, email, or any other account or contact information as part of this. This feature is off by default and nothing is sent to Anthropic unless you switch it on; you can switch it off again at any time. Anthropic doesn't use this data to train its models, under the terms we operate under with them.
  • Anthropic (goal programmes) - when you start a goal programme, you're asked to agree to this separately; agreeing doesn't switch on AI workout insights, and AI workout insights don't count as agreeing to this. Each time your programme is built or adjusted, we send Claude your goal, the programme's length and dates, the other exercise you told us about, your current level, your weekly check-in answers and how many sessions you completed that week, along with our exercise library. We don't send your name, email or any other account or contact information, and we never send your menstrual cycle data: Claude is only told which weeks are easier, never why. Your check-in answers are sent as you write them, so leave out anything you don't want shared. The same terms apply: Anthropic doesn't use this data to train its models.

Each of these providers only receives the data it needs to perform its function, and is bound by its own data protection obligations.

5. Health & fitness data

Information about your workouts, training goals, and (where you choose to connect a device or app in future) fitness metrics is treated as sensitive data. We only use it to personalise your training experience and, for Coaching users, to share with your assigned coach. We don't share this data with third parties for advertising purposes. The exceptions are the optional AI workout insights and goal programme features described in section 4 above, which only ever run if you've explicitly agreed to them.

Menstrual cycle data is special category (health) data under UK GDPR, and we handle it accordingly:

  • we only collect it if you choose the "follow my menstrual cycle" option for your easier weeks, and only with your explicit consent, which we record with the date you gave it;
  • we use it for one thing: working out which weeks of your programme should be easier;
  • it is stored separately from the rest of your data, is never sent to Anthropic or any other third party, and isn't shown to coaches or to our support staff;
  • you can delete it at any time from your goal programme screen, and it's deleted with your account.

A goal programme is general fitness guidance, not a medical or fertility tool.

6. How long we keep it

We keep account, training and goal programme data for as long as your account is active, and for a reasonable period afterwards in case you return or as required for legal/accounting purposes. Menstrual cycle data is the exception: it's deleted as soon as you delete it or your account, with no retention period. If you've only signed up to our mailing list, we keep your email address until you unsubscribe or we retire the list.

7. Your rights

Depending on where you live, you may have the right to:

  • access the personal data we hold about you;
  • ask us to correct or delete it;
  • ask us to restrict or object to certain processing; and
  • ask for your data in a portable format.

To exercise any of these rights, contact us using the details below. You can unsubscribe from marketing emails at any time using the link in any email we send.

8. Cookies

Our website uses only the essential cookies/local storage needed for it to function correctly. We don't currently use third-party advertising or tracking cookies. If that changes, we'll update this notice and ask for consent where required.

9. Children's privacy

DailyFit15 isn't directed at children under 13, and we don't knowingly collect personal data from them. If you believe a child has provided us with personal data, please contact us and we'll remove it.

10. Changes to this notice

We may update this notice from time to time to reflect changes to the Service or our data practices. We'll update the "last updated" date above, and where changes are significant, let you know directly.

11. Contact

For any questions about this notice or your data, contact us at privacy@pulsefifteen.com. The data controller is Pulse Fifteen Ltd, registered in England and Wales, company number 10042256.

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Registered in England & Wales, company no. 10042256. VAT GB 236 7792 69.
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