Privacy policy

Plain English summary

We know how important your family’s privacy is. Here’s the short version of how we look after your information:

  • You stay in control: Parents decide what data is shared. We don’t collect anything directly from children.
  • We keep it safe: Your details are stored securely and never sold to anyone.
  • We only use it for what you’ve agreed to: For example, replying to your enquiry, setting up your account, or sending updates if you’ve asked for them.
  • You can change your mind anytime: Unsubscribe from emails, ask us to delete your details, or update your info whenever you want.
  • We’re UK-based: Your data is handled under UK GDPR rules.
  • Questions? Email us at [email protected].

For the full details (the legal bit), see our full privacy policy, below:

Privacy Policy

Last updated: 14.01.2026

This Privacy Policy explains how Sayph Ltd (“Sayph”, “we”, “us”, “our”) collects, uses, stores and protects personal data when you use our website, devices, services and applications.

It should be read alongside our Terms and Conditions.


1. Who We Are

We are Sayph Ltd, a company registered in England and Wales (company number 16257472).

Registered office:
71–75 Shelton Street, Covent Garden, London, WC2H 9JQ

Contact email: [email protected]
Website: https://sayph.one

For the purposes of UK data protection law, Sayph Ltd is the data controller.


2. Who This Policy Applies To

This Privacy Policy applies to:

  • Parents, legal guardians and authorised carers who create and manage Sayph accounts; and
  • Children whose device data is processed via a parent- or carer-managed account.

We do not knowingly collect personal data directly from children. All child-related data is processed under the authority and consent of a parent, guardian or authorised carer.


3. The Data We Collect

Depending on how you use our services, we may collect the following categories of personal data.

3.1 Parent / Carer Data

  • Name
  • Email address
  • Account login details
  • Billing and subscription information
  • Communications with our support team
  • Marketing preferences

3.2 Child and Device Data (Managed by Parent/Carer)

  • Device identifiers
  • Approved contact details
  • Call and message metadata (including SMS/MMS content where enabled)
  • Location data
  • Device usage and activity data
  • Settings and controls applied by parents/carers

3.3 Technical Data

  • IP address
  • Browser and device information
  • App usage and diagnostic data
  • Cookies and similar technologies (see section 10)

4. How We Use Personal Data

We use personal data only where permitted by law, including to:

  • Provide and operate Sayph devices, software and services
  • Enable parental monitoring and controls
  • Manage accounts, subscriptions and billing
  • Provide customer support
  • Improve and maintain our services
  • Communicate service updates and important notices
  • Send marketing communications where permitted
  • Meet legal and regulatory obligations

5. Lawful Bases for Processing

Under the UK General Data Protection Regulation (UK GDPR), we rely on the following lawful bases:

  • Contract – to provide the services you have requested
  • Consent – where parents/carers consent on behalf of their child
  • Legitimate interests – to operate, secure and improve our services
  • Legal obligation – where required by law

Parents and carers are responsible for ensuring they have appropriate authority to consent on behalf of the child.


6. AI-Generated Summaries and Monitoring Data

Some features may include AI-generated summaries of messages, location data or usage activity.

These summaries:

  • are provided for convenience only;
  • may be incomplete, delayed or inaccurate; and
  • do not replace parental review or safeguarding responsibility.

We do not use child data for profiling or automated decision-making that produces legal or similarly significant effects.


7. Sharing Personal Data

We may share personal data with:

  • Trusted service providers (e.g. hosting, payment processing, analytics)
  • Professional advisers (legal, accounting)
  • Law enforcement or regulators where required by law

We do not sell personal data.

We require third parties to process data securely and only in accordance with our instructions.


8. International Transfers

Personal data is processed within the UK and EU.

If this changes, we will ensure appropriate safeguards are in place in accordance with UK GDPR.


9. Data Retention

We retain personal data only for as long as necessary, including:

  • Active accounts: for the duration of the account
  • Inactive accounts: up to 6 years for legal and accounting purposes
  • Support communications: as long as reasonably necessary

Data is securely deleted or anonymised when no longer required.


10. Cookies and Tracking

Our website uses cookies and similar technologies to:

  • operate the site;
  • analyse usage; and
  • improve performance.

You can manage cookie preferences via your browser settings.
Further details may be provided in a separate Cookie Policy.


11. Marketing Communications

We may send marketing communications to parents/carers where permitted by law.

You can:

  • opt out at any time using unsubscribe links; or
  • contact us to update your preferences.

We do not send marketing communications directly to children.


12. Your Rights

Under UK data protection law, you have rights including to:

  • access your personal data;
  • correct inaccurate data;
  • request deletion;
  • restrict or object to processing; and
  • withdraw consent where applicable.

Requests can be made by contacting us at [email protected].


13. Data Security

We use appropriate technical and organisational measures to protect personal data, including:

  • access controls;
  • encryption where appropriate; and
  • secure hosting environments.

No system is completely secure, and we cannot guarantee absolute security.


14. Changes to This Privacy Policy

We may update this Privacy Policy from time to time.

The most recent version will always be available on our website.
Material changes will be communicated where appropriate.


15. Contact Us

If you have questions or concerns about this Privacy Policy or how we handle personal data, please contact:

[email protected]

You also have the right to complain to the UK Information Commissioner’s Office (ICO).