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Promi

Providing quick product and design feedback via digital twins

Promi provides product feedback in the form of customer interviews, URL walkthroughs, heatmaps, and more by creating digital twins of your existing customers. We ingest data from Posthog, Intercom, Stripe, etc. to create your personas from real product usage data. By factoring in how your customers actually interact with product features, we provide much more relevant and insightful feedback on what you are building. We aren't trying to replace user research, but in our experiences most products don't have the time or budget to talk to real users. Getting synthetic feedback is the next best thing, and can/should be a part of launching any products.
Active Founders
Peter Moot
Peter Moot
Founder
Co-founder @ Promi. Prior to Promi I led product for discounts at Uber. I have a degree in economics and computer science from Harvard.
Jiaxin Lin
Jiaxin Lin
Founder/CTO
Co-founder of Promi. Most of my career has been working on recommendation / personalization systems in the e-commerce space. Avid coder and lifelong learner.
Company Launches
Promi: Evaluate your product concepts with digital twins of your customers
See original launch post

TL;DR: Promi builds simulated versions of your real users from your product analytics data (Posthog, Stripe, Intercom, etc.). Run your next ideas past them: flows, copy, pricing, onboarding, and see where your users would hesitate, what they'd skip, and why, before anyone writes code.

https://youtu.be/VH7s2ATqMBU

Hi! Peter here, cofounder of Promi (S24)

The problem

Real user feedback is the gold standard for deciding what to build and almost nobody gets it, because it's slow and expensive. So teams substitute: survey panels, ICP interviews, and lately AI personas prompted with a demographic sketch. All of them share the same flaw — they don't know your users. The result is confident feedback with no context, and ideas that ship blind anyway.

How Promi works

Connect your product analytics tools. Promi builds behavioral profiles of your actual user segments, not personas, not survey panels, and turns them into simulated users. Describe a proposed change: a flow, copy, pricing, onboarding, and they react the way your real segments tend to: where they'd hesitate, what they'd skip, and why.

Why we're building this

I spent 5 years as a PM at Uber, where real user feedback was the gold standard nobody had time or budget for — so most ideas shipped blind. When we did get feedback, 9 times out of 10 we preferred existing customers over a generic ICP, because real users knew why they used the product. AI feedback needs that same context, so we built Promi to have it: simulated users trained on your customers' actual behavior.

Every product decision deserves real user feedback. We're making that the default instead of the luxury.

Our ask

If you're a product team with 3+ months of session data and ideas you're actively debating, reach out — we're onboarding design partners now. We'll build simulated versions of your users and run your next ideas past them. Then judge us on one thing: did it surface something true about your users that a generic AI couldn't? You know your users; you'll know fast whether our simulations ring true.

Schedule a call: https://calendly.com/pmoot/promi-overview

 Website: https://www.trypromi.com Email: peter@usepromi.com

Previous Launches
YC Photos
Hear from the founders

How did your company get started? (i.e., How did the founders meet? How did you come up with the idea? How did you decide to be a founder?)

We both worked at Uber prior to Promi, where Peter led product for discounts across Uber Eats and Rides. Jiaxin worked on Uber’s core AI team. Peter had the idea for Promi after having seen how wasteful discounts were for the business, and how impactful certain features could be for making discounts more efficient and ROI positive.

Promi
Founded:2024
Batch:Summer 2024
Team Size:2
Status:
Active
Location:San Francisco