You are raising a good question.. Jumbo works 100% client-side, that's why we have built it as a native app. You can read more on our architecture on our blog

You are raising a good question.. Jumbo works 100% client-side, that's why we have built it as a native app. You can read more on our architecture on our blog: https://blog.jumboprivacy.com/secure-jumbo-never-sees-your-data.html https://blog.jumboprivacy.com/secure-jumbo-never-sees-your-d... It's quite cool. We don't have any servers processing your data. Pierre, CEO Jumbo.