Weird AI businesses: Hobbies & Collecting
6 surprising ideas, with the receipts and a guide to building your own.
An AI fishing buddy that tells you where the fish are.
FishingAI is a 'smart fishing companion' that helps anglers decide where and when to fish. It has $28K in verified all-time revenue. Hobbyists spend freely on gear, and an app is cheap…
Snap a photo and find out if it's a real Rolex. Identifier apps for oddly specific things are a business.
A cluster of small apps identify one category of thing from a photo. Jewelry Identifier ($14K verified all-time), Watch Identifier ($8K), Car Identifier ($15K) and Gemstone Identifier…
Snap a sick houseplant or a tree's bark and AI tells you what's wrong.
PlantMD diagnoses plant diseases from a photo ($5K verified all-time), and TreeBarkID identifies trees from their bark ($4.9K verified, $2.4K of it in the last 30 days). Gardeners are a…
AI that predicts what a vintage car will sell for at auction.
Bidder iQ combines auction comps, price trends and AI predictions, plus a Chrome extension that overlays market data on live auctions. It has $13K in verified revenue. Car collectors…
Car owners pay for AI 'cinematic' photos of their own car.
GarageLab turns a photo of someone's car into cinematic shots and videos. It launched in April 2026 and has $8.5K in verified revenue. Car people love showing off their car.
Point your phone at a foreign menu and see photos of every dish.
Apps like MenuGuide translate restaurant menus with AI and add dish photos, allergens and spoken ordering. We found the products but no checkable revenue yet.