Price Tracker Apps in 2026: Keepa, CamelCamelCamel, Honey, and Where Restocky Is Different

If you shop online, you have probably wished a price would drop a little before you buy, or that something would tell you the moment a sold out item comes back. That is why price tracker apps are so popular. But once you start using them, you usually hit the same wall. Most of them only work on Amazon, or on a short list of supported retailers.

This post takes an honest look at the most popular price and restock tracking apps in the US, and then shows where Restocky fits in.

Restocky tracking screen showing items from several different stores with all time low and price change status

The popular US price and restock apps

Each of these apps is good at something specific, so let us give credit where it is due.

  • Keepa: The most trusted Amazon price history tool, with years of data, price drop alerts, and true back in stock alerts. It runs as a browser extension and as mobile apps. It is Amazon only.
  • CamelCamelCamel: A free classic for Amazon price history, used mainly through its website and the Camelizer browser extension. It can email you when a price drops or an item is back in stock, but it covers Amazon only.
  • HotStock: The strongest dedicated restock tool here, with fast back in stock alerts for hard to get items like GPUs, consoles, and collectibles across many retailers. It uses a curated catalog of products and stores, and faster alerts sit behind a subscription.
  • Honey: Free, with automatic coupon codes at checkout and a Droplist that sends price drop alerts across a huge number of stores. It is a savings tool first, and it does not do restock alerts.
  • Slickdeals: A large deal community with keyword alerts and a price tracker that covers dozens of merchants. It is great for discovering deals, but it is not a precise per product restock tool.

In short, the market splits into two camps. Some apps go deep but only on Amazon. Others cover more stores, but only the ones already on their supported list. All of them are free or freemium, funded by ads or affiliate commissions.

So what is still missing

These are solid apps, but real shopping runs into moments like these.

  1. The store you want is not Amazon and not on the list. Overseas shops, small brand stores, and niche boutiques often cannot be added at all.
  2. You get price alerts, but not restock alerts. Knowing the price dropped is useful, but catching the exact moment a sold out item returns is rarer than you would expect.
  3. You only see the item, not your size. When a specific size or variant is what you actually want, almost nothing tracks stock at that level.

Where Restocky is different

1. It tracks a very wide range of stores, not a fixed list

Instead of a short list of supported retailers, if you have the product page link, there is a good chance you can track it. Restocky does not rely on a single method. It tries several extraction steps in sequence to read the price and stock, and for sites that block normal requests, the app loads the page itself to check. That is how it reaches stores that other trackers will not even let you add.

2. It alerts you on restock, not just price

Along with price drops, target price, and all time low, Restocky pushes a notification the moment a sold out item is back in stock. So you do not miss that limited release or that always out of stock favorite.

Restocky alerts feed showing Restock, Lowest, Target and Drop notifications for tracked items

3. It tracks size and option level stock

Rather than the item as a whole, Restocky can watch the stock of the specific size or option you care about. For example, when your size of a particular sneaker comes back in. This works on stores that expose size or option stock.

Plus

A home screen widget shows your tracked items at a glance, and a price history chart with a simple buy score helps you judge the timing. It supports several languages and currencies, and it is free.

Quick comparison

FeatureKeepaCamelCamelCamelHotStockHoneyRestocky
Track any store URLAmazon onlyAmazon onlyCurated storesSupported storesBroad support
Restock alertsYesEmail onlyYesNoYes
Size or option level stockNoNoNoNoYes (supported stores)
Price historyYesYesLimitedNoYes
PriceFree plus paidFreeFreemiumFreeFree

The bottom line

Keepa, CamelCamelCamel, HotStock, Honey, and Slickdeals are all good at what they do. But if you want to track a store that is not on anyone's list, follow restock and not just price, and do it down to your exact size, that combination is the gap Restocky fills.

If the product you want lives outside Amazon, or it is always sold out and you are waiting for a restock, give it a try.

Get it free on iPhone

Download Restocky on the App Store

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