Show HN: Polymorph (YC W26) – AI personalization for consumer app engagement

Hi! we're andrew, david, and manas, 3 engineers & ex-roommates. previously, we built things like meta’s self-serve ads platform, scale ai’s ml inference infra, and more. we’re building Polymorph, which uses AI to help consumer and self-serve apps send the right message at the right time, through the right channel, to maximize conversion. right now, if consumer apps want to send push notifications or emails to users, they have to write manual queries and build user segments themselves. even then, the message can only get so personalized. this sucks for both sides: 1.