Following the AI-heavy Search announcements at last week’s Google I/O, DuckDuckGo says it has seen a notable and sustained surge in U.S. users, including a sharp jump in iPhone app installs. Here are the details. iOS users in the US look for AI-free alternatives to Google Last week, during the Google I/O keynote, the company announced a series of changes coming to its users over the coming weeks and months, most of which are related to AI being more integrated across its ecosystem. You can certainly read all about it on 9to5Google’s coverage of the event, but when it comes to search specifically, Google announced an overhaul of the search box, accompanied by a press release calling this “ a new ear for AI Search ,” and the “biggest upgrade (to Google’s Search box) in over 25 years.” And while some of the new features, such as custom generative UI, are poised to help users visualize and better understand what they are searching for, Google’s decision to push AI even deeper into Search has also drawn criticism…