I built an AI for relationships — here's why nobody else has

Every developer I know has built something for themselves. A productivity tool. A habit tracker. A personal finance app. them smarter, faster, calmer. I did the same thing for 2 years. Then I had a conversation with someone close to me that I The problem wasn't me, individually. between us. So I started asking a weird question Why has all of AI been built for individuals? Copilot helps you code faster. you smarter. your thoughts. you sleep better. Not one of them is built for what happens when two people That's a massive gap. And it's one I couldn't stop thinking about. What I built Mendle — an AI-powered Relationship Intelligence platform. Not a therapy app. Not a chatbot companion. Not another Most relationship apps are built around one person's Mendle is different at the data model level. Both people Over time it surfaces patterns. Communication loops. The technical challenge that surprised me Building AI for two people is fundamentally harder than Single-user AI: one context window, one set of preferences, Relationship AI: two different communication styles, The shared memory architecture was the hardest part to get Still iterating on this. Would genuinely love input from Where it's at Mendle is live at mendleapp.com — early stage, free tier If you've ever thought about the multi-user AI problem or Community → t.me/Mendlecommunity What's the most interesting unsolved problem you've seen in human-AI interaction? Especially curious about the multi-person context challenge.