“The underlying policy of Mullvad is that we never store any activity logs of any kind,” its privacy policy says. Qwant says it uses Bing to “supplement” search results that it hasn’t indexed. Based in Germany, the company says it doesn’t collect excessive data and doesn’t use search data to personalize ads. Like other search alternatives, Ecosia uses Google’s and Bing’s search results (you can pick which one in the settings). The information it collects is gathered to provide search results from its Big Tech partners and detect fraud, it says.