Privacy Policy

What is Tenerismo

Tenerismo is a free browser-based guide to Tenerife. No account, email, or app installation required.

What we store on your device

The app uses your browser's localStorage to save:

• •Anonymous device ID (random UUID, generated locally) - used solely to confirm voluntary donations to support the project
• •Your preferences (name, travel group, interests) - stored locally only, never sent to servers
• •Optional location - only with your permission, used to show nearby attractions, never saved on servers

localStorage is a browser mechanism distinct from tracking cookies. Data exists only on your device and is not accessible to any external services.

What we DON'T do

• •No tracking cookies without your consent
• •No advertising
• •No user profiling
• •No selling or sharing data
• •No registration or email required

Affiliate links

Some links and widgets for tours and car rentals lead to external partners: GetYourGuide and DiscoverCars. In the app we use:

• •GetYourGuide Widget - we load the GYG analytics script (widget.getyourguide.com) to display tours and track affiliate clicks (partner_id: YGHVWJ3)
• •DiscoverCars Widget - displayed in an isolated iframe, script loaded only on the Plan page (a_aid: tenerismo)

If you click a link or widget and make a booking, the partner sets their own cookie on their site per their privacy policy. We have no access to that data.

Payment processing (voluntary donations)

Payments are handled by Stripe (stripe.com). We never see or store your card details. Stripe processes payment data per their own privacy policy.

To confirm donations, we store the following in Supabase (EU servers, Frankfurt, Germany):

• •Anonymous device ID
• •Donation status

No personal data is linked to your device ID. Data is automatically deleted after 30 days.

If you optionally provide your email to confirm a donation, we use it solely to look up your transaction in Stripe and do not store it on our servers.

Legal basis: contract performance - processing of voluntary donation (Art. 6(1)(b) GDPR).

Third-party services

• •Open-Meteo - weather data, no personal data sent
• •CARTO - map tiles, no personal data sent: carto.com/privacy/
• •Stripe - payment processing: stripe.com/privacy
• •Supabase - anonymous donation status storage, EU region
• •GetYourGuide - tour widget + affiliate analytics script loaded in the app (partner_id: YGHVWJ3): getyourguide.com/privacy
• •DiscoverCars - car rental widget in iframe on Plan page (a_aid: tenerismo): discovercars.com/privacy
• •Google Tag Manager + Google Analytics 4 - anonymous usage analytics, loaded only after your consent. No personal data is collected. Google's privacy policy: policies.google.com/privacy

Your rights (GDPR)

You have the right to access, delete, port, and object to the processing of your data. To delete your donation record, contact us at the address below.

Data controller