Legal notice

Last updated: 13 November 2026

Who runs this website

In line with Spain's Law 34/2002 on Information Society Services (LSSI), this website is run by:

• Owner: [Full name of the site owner — if you are under 18, a parent or legal guardian]
• NIF/NIE: [NIF/NIE]
• Address: [Postal address]
• Email: [Volenn email address]

Volenn is a project in development: a price comparison for visitors in Barcelona. It does not sell products on this website.

Prices shown

Prices labelled "Sample prices" or "Sample data" are examples that show how Volenn works. They are not real prices. Real prices, once published, show the date they were checked and the area where they were checked. Prices can change at any time in the shops, so always confirm the price at the till.

Store names

Mercadona, Lidl, Carrefour and Aldi are trademarks of their respective owners. Volenn is not affiliated with, sponsored by or endorsed by any of them, and uses their names only to identify the shops whose prices are compared.

Using this website

You may use this website for your own information. Please do not copy its content for commercial purposes, try to disrupt it, or use it in any way that breaks the law.

Intellectual property

The design, texts and code of Volenn belong to its owner. The Geist and Geist Mono fonts are used under the SIL Open Font License 1.1.

Liability

We work to keep the information accurate, but we cannot guarantee that every price is correct at every moment, or that the website is always available.

Law and courts

This notice is governed by Spanish law. If you are a consumer, you may go to the courts of your place of residence.