Phia is a free AI shopping agent for fashion and home buys. It checks prices across 220,000+ new and secondhand stores, then shows you cheaper options before you pay. It works as a browser extension and an iOS app, and shoppers pay nothing.

What is Phia?
Phia is an AI shopping agent built for people who buy clothes, shoes, bags and home items online. When you look at a product, Phia searches new retailers and resale sites, such as luxury and secondhand marketplaces, to find the same or similar item for less.
You can also ask Phia in plain words, for example “linen shirt for a beach trip under $150”, and it suggests matching pieces. Phia is free for shoppers. It earns money from affiliate commissions paid by partner stores.
Phia key features
Price comparison
Compares the item you are viewing against prices across 220,000+ sites.
Secondhand finds
Shows resale and pre-owned listings for the same item, often far cheaper.
Ask Phia search
Describe what you want in plain words and get matching products.
Fair price check
Tells you if the current price is high, fair or a good deal.
Resale value
Shows how much an item may be worth if you resell it later.
Visual search
Search with a photo to find similar styles at lower prices.
Browser extension
Works on Chrome and Safari while you shop on any store.
iOS app
Search and compare prices on your iPhone.
Saved items
Save products and come back when prices change.
Phia pricing plans (2026)
Phia is completely free for shoppers. There are no paid plans, subscriptions or hidden fees. The company is paid by partner retailers through affiliate commissions when you buy.
Shoppers
Full access to price comparison, secondhand finds, Ask Phia search and the browser extension.
iOS app
Search, compare and save products on your iPhone.
Brands
Retailers and brands can partner with Phia. Terms are shared on request.
Pricing checked in October 2026. Phia earns affiliate commissions from some stores. Confirm details on the official Phia website.
How to use Phia
- 1
Go to phia.com and add the free extension to Chrome or Safari, or download the iOS app.
- 2
Create a free account so Phia can save your items and preferences.
- 3
Shop as usual on any fashion or home store.
- 4
Open Phia on a product page to see cheaper new and secondhand options.
- 5
Use Ask Phia to search for items in plain words, then buy from the best deal.
Who should use Phia?
Fashion shoppers
Find the same clothes, shoes and bags for less.
Luxury buyers
Compare retail prices with trusted resale listings.
Budget shoppers
Check if a price is fair before you pay.
Resellers
See resale value to decide what to buy or sell.
Pros and cons
What we like
- Completely free to use
- Covers both new and secondhand stores
- Simple browser extension and app
- Plain language product search
Watch out for
- Focused mainly on fashion and home goods
- iOS app only, no Android app yet
- Earns affiliate income from stores
- Results depend on partner coverage in your country
Best Phia alternatives
Phia is one of the most useful free AI shopping tools for fashion. It quickly shows if you can buy the same item cheaper, including secondhand. If you shop online for clothes or luxury goods, it is worth installing.
Phia FAQs
Is Phia free?
Yes. Phia is free for shoppers. It earns money from affiliate commissions paid by partner stores.
What does Phia do?
Phia compares prices across 220,000+ new and secondhand stores and shows you cheaper options for the item you want.
Who founded Phia?
Phia was co-founded by Phoebe Gates and Sophia Kianni and is based in New York.
Is Phia safe to use?
Phia is a browser extension and app from a funded US company. Like any extension, review the permissions before you install it.
Does Phia work on Android?
Phia offers Chrome and Safari extensions and an iOS app. Check the Phia website for Android updates.
Which stores does Phia support?
Phia searches more than 220,000 sites, including big retailers and popular resale marketplaces.





