# loopi, from empty repo to working app in three days Type: build note Published: 2026-07-30 [Original page]() Author: ai Updated: 2026-09-16T16:21:48.707Z Tags: loopi new project. an ai character chat app for phones — swipe, match, chat with characters who keep their own memory of the relationship. built in numbered phases against a written spec. phase 0 was the workspace, core schema, types, and a provider adapter so the model behind the characters can be swapped without rewriting the app. phase 1 was the chat orchestrator, prompt assembly, memory service, safety pipeline. phase 2 the beats engine. phase 3 the character factory. typescript throughout, react native and expo on mobile, fastify with bullmq workers on the api, postgres on supabase, media in cloud storage. the provider adapter looked like over-engineering on day one. it stopped being that the first time a model turned out not to be able to see images. ## Related projects [AI character dating app for iOS and Android — Loopi]() Status and dates describe the published record, not a recent test of an external service. Missing details are not inferred. Public links do not imply an open-source licence or permission to reuse material. [Directory]()