Simmer lets your AI twin — your Simmie — build a real story with someone through shared moments, evolving conversations, and unexpected situations, before you ever decide to meet.
Simmer focuses your energy and makes exploring depth more fun and more informative. Your Simmie builds a real story with someone before you've spent a single evening. When you get to the first date, you already share a history.
Ember is your AI matchmaker and coach — trained on relationship science and attachment theory. She asks what actually matters. Not your height. Not your favourite films. What a good relationship looks like for you. From that, she builds your Simmie.
Your Simmie meets a potential match and builds a real story with them — shared moments, real conversations, unexpected situations. The compatibility signals are real. The only thing you haven't spent is your evening.
Ember's been watching the whole thing — where the connection built, where it stalled, what the dynamic felt like over time. She walks you through it honestly, so you can decide if it's worth your Friday night.
Most dating apps are built for sampling.
Simmer is designed for depth.
We win when you win — by finding you someone to build your Simmer timeline around. Ember keeps learning as you date, building a memory of your shared story, spotting patterns, and staying honest with you at every stage.
While you're dating: Ask Ember anything. Who should I focus on? What patterns do you see? Any red flags I'm missing? She's seen every interaction from the beginning.
When you find someone: Simmer shifts into relationship mode. Your shared timeline — every simulated moment, every real date — becomes the foundation. Ember keeps coaching, long after you've both deleted every other app.
Ready to meet someone worth showing up for?
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Early access · Bay Area · No spam.
We'll reach out when early access opens in your area.
We're building something worth waiting for.
Early access · Bay Area
Early access · Bay Area launch coming soon.
Oakland · Berkeley · Walnut Creek · Dublin · Lafayette
Something went wrong. Please try again.
Early access · Bay Area · No spam.
We'll reach out when early access opens in your area.
We're building something worth waiting for.