10 Best AI Apps for iPhone in 2026 (Tested & Ranked)
Update for May 21, 2026: Refreshed after Google I/O 2026 for Gemini 3.5 Flash, Gemini Spark, the Google AI Ultra price cut to $99.99, and the DeepSeek V4 release. Also covers the WWDC 2026 preview, iOS 27 Siri Extensions, and Apple AI Glasses. Your iPhone ships with Apple Intelligence built in, but the real power is in the third-party AI apps you add on top. Across 1 million+ ratings, Grok holds a 4.9-star App Store average, ChatGPT pulls in hundreds of millions of users every month, and Google Gemini crossed 450 million monthly users in 2026. As of May 19, 2026, Gemini’s free tier runs on Gemini 3.5 Flash with […]
