DuckDuckGo is only private if you trust their word. Over the years they continue to refuse access for a trusted third-party auditor to review their infrastructure and validate (or not) their claims of privacy. The preference of Android to place DDG in Europe (31 out of 31 countries) is strange when considering privacy as argument. Then is placed this "info.com" as second option on all European countries (31 out of 31…
DDG's advantage is much less bloat and almost as good results as Google (in some areas arguably better), while not feeding their personalized ad machine. Qwant is worth trying as well.