Hobby Hubby

Collect Smarter. Brag Louder.

Simple black line drawing of a light bulb.

A collector-first marketplace assistant designed through full-stack AI orchestration.

Smartphone screen showing Hobby Hubby AI app with item listing for a 1998 Pokemon Japanese Rocket Dark Charizard Holo PSA 9 card and a tip indicating prices are trending down, labeled as a good buy.

Know before you read on.

Hobby Hubby is an AI‑powered marketplace assistant designed for collectors of high‑value items — trading cards, comics, sneakers, and hypebeast collectibles. The product focuses on helping collectors make smarter, safer, and more confident purchasing decisions in a fragmented, fast‑moving resale market.

Deeper Dive

My Role
UX Lead + AI Orchestrator

Market Research / Persona Synthesis / Ideation

Wireframing + Layout

Research Survey / User Testing

Three Nike Air Max 95 sneakers in different colorways arranged diagonally on a dark blue background.

Discovery

Market
‍E-commerce Resell

$66.06 Billion
Global Hobbyist Market Size (as of 2024)
[Source: Verified Market Reports]

~24.45%Global Market share is in U.S. Collectables
[Source: Global Growth Insights]

63%
Collectors view collectibles as long-term investments

Problem + Persona

Analytics-driven comics/trading card/hypebeast collector.

Demographics
Age Range: 25 - 45 years old (58% of U.S. collectors fall here)

Pain Points
Overpaying, missing grails, trusting sellers, tracking price, trends.

The App

Mobile screen showing Hobby Hubby AI app with a 1998 Pokemon Japanese Rocket Dark Charizard Holo PSA 9 listing labeled as a Good Buy, a tip about prices trending down, and options to Save or Try Auto Bid.

Mobile screen showing Hobby Hubby AI auto-bid interface for 1998 Pokemon Japanese Rocket Dark Charizard Holo card with a max bid amount set to $1300 USD and active payment card ending 2099.

Smartphone screen showing an email update from Hobby Hubby AI to Shemar about a saved 1998 Pokemon Japanese Rocket Dark Charizard Holo PSA 9 card, highlighting a seller confidence score of 4 out of 5 and a tip about a cheaper seller with better confidence.