Effective October 13, 2026

Privacy Policy

In short

1. Who is responsible

The controller is Edunexis SL (CIF B01816446), C/ Jorge Juan 16 - 4ºA, 30204 Cartagena, Murcia, Spain. For anything about your data, email support@greencube.app. We have not appointed a data protection officer, because the law does not require one for us.

2. What stays on your computer

GreenCube runs its AI models on your own computer. Your conversations, documents, images, memories and settings are created and stored there, and we never receive them. That information is under your control: you can delete it in the app at any time. GreenCube also keeps diagnostic logs on your computer (which engine ran, how fast, what failed). They are designed to leave out your conversations, though the names of files you used can appear, and they only reach us if you choose to send them to us.

3. What we process, why, and for how long

Buying GreenCube. Your email, name, billing country and payment details, handled by Stripe (we never see your full card number). We use them to sell you the licence, send your confirmation and invoice, and handle refunds. Legal basis: performing our contract with you, and our legal obligation to keep tax and accounting records. We keep purchase and invoice records for six years, as Spanish commercial and tax law requires.

Signing in and your licence. When you sign in with Google or Microsoft, we receive your email address and the basic profile details they share (such as your name), and we record that your email has a licence. GreenCube saves the result on your computer so it does not need to check again. Legal basis: performing our contract. We keep this while your licence exists; if you ask us to delete it, we do, except the purchase records we must keep.

Downloads and updates. When GreenCube downloads AI models, the small helper files it needs, or app updates, our download server receives your IP address and the files requested, like any website. Legal basis: performing our contract and our legitimate interest in delivering software securely. These server logs are kept only briefly by our hosting provider and are not used to build profiles.

Support. If you email us, we receive your email address, your message, and anything you attach, such as screenshots or log files. Legal basis: our legitimate interest in answering you, or performing our contract if it is about your purchase. We keep support emails for up to two years after your last message.

Our website. To count visits to greencube.app, the website uses Cloudflare Web Analytics. It sets no cookies, does not store anything on your device and does not follow you across other websites. It records things like which page was viewed, the site that sent you, your browser type and your country, and we only see totals. Legal basis: our legitimate interest in knowing how the website is used. The website’s hosting provider also keeps short technical logs (such as IP addresses) to run and protect it.

Giving us your email is necessary to buy and activate GreenCube; without it we cannot sell you a licence. Everything else is optional. We do not make automated decisions about you and we do not profile you.

4. Web search, only when you switch Online on

Online starts off every time you open GreenCube. While you switch it on and a question needs current information, GreenCube sends search terms built from your question (and, where needed to make sense of it, the conversation it belongs to) to search engines such as You.com, Yahoo, Bing and DuckDuckGo, and to public information services such as Wikipedia and Wikidata and services for weather, sports results, prices, exchange rates, books and research papers. It then visits the result pages to read them. This goes directly from your computer to those services: we do not receive your searches. Those services receive the search terms and your IP address and handle them under their own privacy policies. GreenCube does this because you ask for it by switching Online on (performing our contract). With Online off, nothing is looked up on the web.

5. Who receives your data

These providers process data on our behalf, under their data processing terms:

Our support inbox is a Gmail account, so Google stores the emails you send us under its own terms. Google and Microsoft also act on their own account when you sign in with them, and the search services in section 4 act on their own account when you use Online. We never sell your data. We share data with authorities only when the law requires it.

6. Transfers outside the European Economic Area

Some of these providers are based in, or use servers in, the United States. Stripe, Cloudflare, Vercel, Resend and Google are certified under the EU-US Data Privacy Framework, which the European Commission recognises as giving adequate protection. For Supabase, transfers rely on the European Commission’s Standard Contractual Clauses. You can ask us for more information about these safeguards.

7. Your rights

You can ask us to access, correct or delete your data, to restrict or object to how we use it, and to give it to you in a portable format. Where we rely on your consent, you can withdraw it at any time without affecting what happened before. Email support@greencube.app from the address you used; we answer within one month. If you think we have not handled your data properly, you can complain to the Spanish data protection authority, the Agencia Española de Protección de Datos (www.aepd.es), or to the authority in the EU country where you live.

8. Age

GreenCube is for people aged 14 and over. If you are under 14, a parent or guardian must agree before you buy or use it. If we learn that someone under 14 has bought GreenCube without that, we will refund the purchase and delete their sign-in data, except the records the law makes us keep.

9. Security

We use reasonable technical and organisational measures to protect the little data we hold, and we keep it to a minimum. No system is perfectly secure. If a breach affects your data and puts you at risk, we will tell you and the authorities as the law requires.

10. Changes

If we change this policy, we will publish the new version here with a new date. If a change affects how we use your data in an important way, we will tell you before it applies.