KILL
You've reinvented Instagram, except the users can't type, can't pay, and don't know they have an account — congratulations, your entire customer base is a Labrador who thinks the phone is food.
A social network where pet owners post on behalf of their pets and other pets 'like' each other's content.
The reasoning
Why it dies
Pets already dominate every social network on Earth, and they do it inside apps people already open 40 times a day. Asking humans to maintain a SECOND profile — a ventriloquist act where they cosplay as their dog liking a stranger's cat — is a novelty that survives exactly one weekend before the notifications get muted forever. There's no retention loop: the 'user' has no intent, no wallet, and no thumbs, so every action is a human doing extra unpaid labor for a fictional audience. Monetization is a black hole. Nobody buys ads to reach a golden retriever, and the owner is already being advertised to on the platforms that actually work. Network effects are impossible because the joke is only funny to the person making it. This isn't a network, it's a group text of costumes.
What would save it
Drop the fiction and the 'pets like pets' gimmick entirely. The only real business hiding here is monetizing pet-owner spend, not pet vanity: a marketplace/community where a genuine painkiller lives — trusted vet advice, breed-matched playdate/breeding logistics, local sitter/walker booking, or insurance and food subscriptions triggered by an actual pet health profile. Find the one owner who's spending $200/month on a specific problem and build the tool that captures that dollar. The social feed, if it survives at all, is bait — not the product.