100 Great Years Ltd ("we," "our," or "us") operates the 100 Great Years health and wealth platform, including the app at app.100greatyears.com and the marketing site at www.100greatyears.com. This Privacy Policy explains how we collect, use, and protect your personal information across both.
We take your privacy seriously and are committed to protecting your personal data in accordance with the UK General Data Protection Regulation (UK GDPR) and Data Protection Act 2018.
If you submit a Teams enquiry via the "Talk to us" form on the marketing site, we collect:
This information is sent to us by email via Resend and used solely to respond to your enquiry. It is not added to any marketing list without your explicit consent.
We use your information to:
We do not sell your personal data to third parties. We do not use your data for advertising purposes.
Assessment responses are stored in your browser's local storage only — they are not sent to our servers. They remain there until you create an account (at which point they are migrated to Supabase) or until you clear your browser's local storage.
When you create an account, your data is stored securely using:
When you log a mood check-in, your rating (1–5) is seen by the AI coach as a weekly average to inform its suggestions. Any personal notes you add ("What's on your mind?") are held with additional restrictions and are not shared with the AI coach unless you choose to share them yourself in your coach conversation.
We use the following third-party services to operate 100 Great Years:
Location: United States
Purpose: Host and serve both the app and marketing website
Data: IP addresses and request logs for security and performance
Marketing site analytics: Vercel Analytics on www.100greatyears.com captures cookieless, anonymous pageview statistics (page path, referrer, country). No personal identification, no cookies set.
Privacy Policy →Location: United States
Purpose: Power the AI coach for account holders. Assessment scores are calculated by a scoring algorithm in your browser — Anthropic is only called when you actively use the AI coach after creating an account.
Data: Your assessment responses and tracker data (processed to generate coach replies)
Important: Anthropic processes inputs only to generate coach replies. Under Anthropic's commercial API terms your data is not used to train AI models, and inputs/outputs are retained only briefly for operational and abuse-screening purposes.
Privacy Policy →Location: European Union
Purpose: Store user accounts, assessment history, and tracker data
Location: United States (PCI DSS compliant)
Purpose: Process subscription payments and manage billing
Data: Billing contact and payment status. Card details are handled directly by Stripe; we never see or store full card numbers.
Location: United States
Purpose: Send operational and account emails (sign-in, payment receipts, service notices) and route Teams enquiry form submissions. Data: email address and message content.
Your data may be transferred to and processed in the United States (Anthropic for AI processing, Vercel for hosting, Stripe for payments, Resend for email). We ensure appropriate safeguards are in place:
Assessment data is stored only in your browser's local storage and is not held on our servers. It is cleared when you create an account (at which point it is migrated to Supabase) or when you clear your browser's local storage. Anonymous analytics data (if collected) is retained for up to 24 months.
Your data is stored as long as your account remains active. If you delete your account, your data will be permanently deleted within 30 days, except where we are required to retain it for legal or regulatory purposes.
Enquiry submissions are delivered by email and retained in our email inbox for as long as necessary to respond and for our legitimate business records. Contact us to request deletion.
Under UK data protection law, you have the following rights:
Request a copy of the personal data we hold about you.
Correct inaccurate or incomplete personal data.
Request deletion of your personal data in certain circumstances.
Receive your data in a structured, machine-readable format.
Object to processing of your personal data for certain purposes.
Request limitation on how we use your data.
Withdraw consent for processing where we rely on consent as our legal basis.
To exercise any of these rights, contact us at: hello@100greatyears.com
We set no cookies — not for authentication, analytics, or advertising. All device storage we use is browser local storage, which stays on your device and is under your control.
Vercel Analytics on the marketing site is cookieless and anonymous. The app does not use analytics cookies or third-party tracking storage of any kind.
No consent banner is required — we set no cookies at all.
Our service is intended for adults aged 18 and over. We do not knowingly collect personal information from children. If you believe we have inadvertently collected data from a child, please contact us immediately at hello@100greatyears.com.
We implement appropriate technical and organisational measures to protect your personal data:
No system is completely secure. We cannot guarantee absolute security of your data.
We may update this Privacy Policy from time to time. We will notify you of significant changes by:
If you have concerns about how we handle your personal data, please contact us first at hello@100greatyears.com. We will investigate and respond within 30 days.
You also have the right to lodge a complaint with the UK Information Commissioner's Office (ICO):
ICO Website: ico.org.uk
Helpline: 0303 123 1113
Address: Information Commissioner's Office, Wycliffe House, Water Lane, Wilmslow, Cheshire SK9 5AF
Email: hello@100greatyears.com
Data Controller: 100 Great Years Ltd
Registered in: England and Wales
This Privacy Policy was last updated on 1 June 2026. By using 100 Great Years, you acknowledge that you have read and understood this Privacy Policy.