UPDATE 8/6: Google has finally set an end-of-life date for the Google Assistant on mobile devices: Sept. 4, 2026. "As we transition our mobile experience to Gemini, Google Assistant will no longer be available on your mobile device," Google said in an email to users this week. (On cars with Google built-in, the Google Assistant will still work after Sept. In March, Google said it would end support for Assistant on mobile by the end of 2025. In early October, Google said Gemini would replace the Google Assistant in the company’s smart speakers and smart displays.