Hi, I'm Smartypants.
Tell me what you're shopping for. I'll search live retailers in 🇺🇸 United States and bring back the smart picks — real prices, real links.
Trending today
What other shoppers are checking right now.
Shop by category
Compare prices across every store we track, category by category.
Supported stores
Compare prices across America's most popular online stores — and counting.
AmazonAmazonSmartypants checks these stores first, then keeps hunting — new stores are added as products are researched.
Why shop with Smartypants AI
A sidekick that does the digging before you spend a cent.
Live store prices, not guesses
I check the retailer's own page for every listing — the price you see is what the store is showing right now.
Sold out means gone
If a store page says sold out, unavailable or pre-order, that listing never makes the list. Only buyable deals survive.
Fresh every single day
Saved pages are re-checked in the background around the clock, and each listing shows exactly when it was last verified.
Honest ranking
Stores can't pay to jump the line. The lowest verified price shows first, and the choice of where to buy is always yours.
How Smartypants AI works
From question to checkout in three steps.
Tell me what you're shopping for
Type any product — a graphics card, an air fryer, a serum — and I get to work. Vague request? I'll ask one quick question to narrow it down.
I check every store page myself
I search US retailers, open each store's own product page, and confirm the item is in stock and the price is real. Sold-out or wrong listings never make the list.
You buy at the lowest verified price
Offers are sorted lowest first with the price history to back them up. Tap a store, buy direct, and never overpay again.
Popular right now
The products shoppers are comparing most this week.
Compare prices across America's biggest stores
Smartypants AI is a free price comparison tool for US shoppers. Instead of opening five tabs and hunting for the lowest price yourself, ask me what you're shopping for and I'll check live prices at Amazon, Walmart, Best Buy, Target, Newegg, Costco, and dozens of other trusted US retailers — then sort every offer cheapest first.
Every listing is verified on the retailer's own page before it shows up here, so sold-out items and bait prices never make the list. On each product page you'll find a price history chart, all-time high and low prices, and a price-drop alert bell that watches the deal for you — so you'll know whether today really is a good day to buy, or whether waiting a week saved shoppers money last time.
I cover everything from tech, home and kitchen, beauty, and outdoor gear to toys, pets, and groceries. New products are added every day as they trend, so whenever something new launches or a deal starts moving, Smartypants is already comparing prices for it.
Shoppers like having a sidekick
What people say after letting Smartypants do the digging.
I typed one line about what I wanted and got real store links with real prices. Saved $140 on a monitor in about a minute.
The part I trust most is that sold-out listings just don't show up. Every link I clicked actually had the item in stock.
It asked me what I actually needed instead of dumping 200 results on me. Felt like texting a friend who knows gear.
Checked three stores for a graphics card without me opening a single tab. Best Buy had it $60 cheaper than anywhere else.
The store logos next to each price make it obvious who I'm buying from. No sketchy third-party sellers.
Prices were stamped as verified and they actually were — both listings matched the store pages when I checked.
I typed one line about what I wanted and got real store links with real prices. Saved $140 on a monitor in about a minute.
The part I trust most is that sold-out listings just don't show up. Every link I clicked actually had the item in stock.
It asked me what I actually needed instead of dumping 200 results on me. Felt like texting a friend who knows gear.
Checked three stores for a graphics card without me opening a single tab. Best Buy had it $60 cheaper than anywhere else.
The store logos next to each price make it obvious who I'm buying from. No sketchy third-party sellers.
Prices were stamped as verified and they actually were — both listings matched the store pages when I checked.
Tell me what you're shopping for
I'll check the stores that matter, confirm what's actually in stock, and line up the prices side by side. Free, no sign-up.
Frequently asked questions
Everything about how the price checking works.
It searches retailer sites directly for whatever you ask about, then opens each store page to confirm the item is in stock and read the price that's showing right now.
Every listing shows when it was last checked. Saved pages are refreshed in the background, and you can hit Refresh prices on any product page for an instant re-check.
If a store page says sold out, unavailable or pre-order, we drop the listing instead of showing it. A price you can't actually buy at isn't worth showing.
Yes. Searching and comparing is completely free. We may earn a commission when you buy through a store link, at no extra cost to you.
Right now we cover United States retailers. More countries are being added as we expand store coverage.
No. Just type what you're shopping for and start comparing — no sign-up, no email needed.
Yes. Tap the bell on any product page, leave your email, and I'll watch the price for you and let you know when it falls below your target.
Everything from graphics cards, laptops, and cameras to air fryers, skincare, pet food, and toys. New products are added every day as they start trending in US stores.
The lowest verified in-stock price always shows first. Stores can't pay for a better spot, and delivery options and savings are shown on every offer so you can pick what suits you.