The 6 Best Price Trackers in 2026: Tested & Reviewed

TL;DR

• 🏆 Karma is the best price tracker for most shoppers because it combines price alerts, automatic coupons, and cashback across thousands of stores, all in one free browser extension and mobile app.
• 📊 If you only shop on Amazon, CamelCamelCamel or Keepa offer deeper price history.
• 💰 For everyday deal hunters who shop across multiple retailers, Karma delivers the most complete savings toolkit without juggling separate tools.
• 🔔 The right tracker can save you hundreds of dollars a year and hours of manual checking.

Finding the lowest price used to mean visiting a dozen tabs, checking back daily, and hoping you didn’t miss the sale. The best price trackers eliminate that guesswork by monitoring prices for you, alerting you when they drop, and even stacking coupons and cashback on top of the discount. Whether you’re eyeing a new laptop, restocking household essentials, or hunting for holiday gifts, the right tracker can save you hundreds of dollars a year, and hours of manual checking.

This guide reviews the top price tracking tools in 2026, compares their features side-by-side, and shows you exactly how to choose (and use) the one that fits your shopping habits.

Best Price Trackers

A price tracker is a tool, typically a browser extension, mobile app, or website, that monitors product prices over time and alerts you when they drop. These tools are built for everyday shoppers, deal hunters, and anyone making a big-ticket purchase who wants to buy at the right time instead of overpaying.

Here’s our quick-hit list of the best price trackers of 2026, with clear “best for” labels:

Best overall: Karma

Karma tracks prices across thousands of retailers, sends price drop alerts, auto-applies coupons at checkout, and offers cashback, all in one free extension and app. It’s the only tool on this list that combines tracking, coupons, and rewards without requiring you to switch platforms.

Best for Amazon: CamelCamelCamel / Keepa

Both tools specialize in Amazon price history with detailed charts, historical lows, and price drop alerts. CamelCamelCamel is simpler and free; Keepa offers more data (including seller and Buy Box history) with a free tier and a paid upgrade.

Best for price comparisons: Capital One Shopping

Capital One Shopping automatically compares prices across retailers and applies coupons at checkout. It’s free and offers cashback through its rewards program, but it doesn’t provide the same depth of price history or multi-store tracking as Karma.

Best for Google ecosystem: Google Shopping price insights

Google’s built-in price tracking shows price trends and alerts directly in search results and the Google Shopping app. It’s lightweight and requires no extra install, but coverage is limited and it doesn’t include coupons or cashback.

Best deal-community tracker: Slickdeals

Slickdeals crowdsources deals and price drops from its community. It’s great for discovering unexpected sales, but it’s not a true automated price tracker: you’re relying on other users to post deals.

Note: Store coverage, price history depth, and alert accuracy vary by retailer and region. Some tools focus exclusively on Amazon, while others (like Karma) support thousands of stores.

Comparison Table: Features That Matter Most

Use the table below to see exactly how each tool stacks up across the factors that matter most to everyday shoppers.

What we compared

We evaluated each price tracker on the criteria that matter most to everyday shoppers:

• Store coverage: Does it track one retailer (Amazon-only) or thousands?
• Price history & trends: Can you see historical lows, price charts, and long-term trends?
• Price drop alerts: Does it notify you when prices hit your target or drop by a certain percentage?
• Coupons: Does it find and apply promo codes automatically?
• Cashback / rewards: Can you earn money back on purchases?
• Platforms: Is it available as a browser extension, mobile app, or both?
• Ease of setup: How quickly can you start tracking?
• Privacy & account needs: What data does it collect, and do you need to create an account?

At-a-glance feature matrix

Tool	Store Coverage	Price History	Alerts	Coupons	Cashback	Extension	App	Account Required
Karma	Thousands	✓	✓	✓	✓	✓	✓	Yes (free)
CamelCamelCamel	Amazon only	✓	✓	✗	✗	✓	✗	Optional
Keepa	Amazon only	✓	✓	✗	✗	✓	✓	Optional
Capital One Shopping	30,000+	Limited	✓	✓	✓ (rewards)	✓	✗	Yes (free)
Google Shopping	Select retailers	✓	✓	✗	✗	✗	✓	Google account
Rakuten	3,500+	✗	✗	Limited	✓ (cashback)	✓	✓	Yes (free)

Methodology note: “Price history” means the tool displays past price data in chart or list form. “Alerts” include threshold alerts (notify when price ≤ $X) and percentage-drop alerts. Karma leads the pack by offering true multi-store price tracking plus automatic coupons and cashback, a combination no other tool on this list fully delivers.

What Is a Price Tracker (and How It Works)?

Price trackers collect and store product price data over time, then display it as charts, trends, or simple “current vs. historical low” comparisons. Most work by scraping retailer websites or accessing product APIs, logging prices daily (or more frequently), and building a database you can query.

When you add an item to your watchlist, the tracker monitors that specific product page and checks for price changes. If the price drops below your target, or by a percentage you’ve set, the tool sends you an alert via email, push notification, or in-app message.

Price history vs. price alerts

Price history shows you how a product’s price has changed over weeks, months, or even years. You’ll see charts with highs, lows, and average prices, helping you understand whether today’s “sale” is actually a good deal or just normal pricing.

Price alerts are notifications triggered by specific conditions: a price drop below a threshold you set, a percentage discount (e.g., 20% off), or when an out-of-stock item becomes available again. How price drop notifications work varies by tool, but most let you customize triggers so you’re only notified about deals you care about.

Why prices change so often

Retailers use dynamic pricing algorithms that adjust prices based on demand, competitor pricing, inventory levels, time of day, and even your browsing history. A product might be $99 on Monday, $89 on Wednesday, and $109 by Friday, especially during high-traffic shopping seasons.

Price trackers help you see through this volatility and wait for the true low points instead of impulse-buying at an inflated “sale” price.

Common limitations

Not all trackers handle product variants (different sizes, colors, or bundles) accurately. Some track only the default option, which can lead to incomplete price history if you’re watching a specific variant.

Shipping costs and membership pricing (like Amazon Prime discounts or Costco member-only pricing) usually aren’t included in price history charts. Always factor in total cost at checkout, not just the displayed item price.

Finally, not every store is covered by every tracker. Amazon-only tools won’t help you at Target or Walmart, and even multi-store trackers may have gaps in niche or regional retailers.

How to Choose the Best Price Tracker for You

Choosing the right price tracker depends on where you shop, what you’re buying, and how much control you want over alerts and data.

Store coverage

If you shop almost exclusively on Amazon, a specialist tool like Keepa or CamelCamelCamel will give you the deepest price history and most granular data.

But if you shop across Target, Walmart, Best Buy, Nordstrom, Sephora, and dozens of other retailers, or if you like to compare prices across stores before buying, you need a multi-store tracker like Karma. Juggling separate tools for each retailer wastes time and means you’ll miss deals.

Alert types and frequency

Look for a tracker that lets you set threshold alerts (“notify me when this drops below $150”) and percentage-drop alerts (“notify me when this is 25% off”). Setting up price alerts should be simple, ideally one or two clicks, and you should be able to adjust or turn off alerts without digging through settings.

Some tools send daily summary emails; others push real-time notifications. Choose based on your urgency and how often you check your phone.

Price history depth and data clarity

The best trackers show at least 90 days of price history, with clear charts that highlight the current price, historical low, and average. Tools with years of data (like Keepa) are ideal for expensive purchases where you want to confirm you’re buying at a multi-year low.

Avoid trackers that only show “price dropped” without context. You need to see the trend to judge whether today’s price is genuinely good.

Browser extension vs mobile app

Browser extensions are convenient for desktop shopping: they pop up while you browse, show price history inline, and apply coupons at checkout. Mobile apps are better for on-the-go deal hunting, wishlist management, and receiving push notifications.

The best shopping extensions offer both platforms so you can track, compare, and buy wherever you are. Karma, for example, syncs your watchlist between extension and app, so you can add items on your laptop and get alerts on your phone.

Privacy and account requirements

Most price trackers require an account (to store your watchlist and send alerts), and many collect browsing data to power their coupon and cashback features. Review each tool’s privacy policy and browser permissions before installing.

If privacy is a top concern, look for tools that are transparent about data use, offer opt-outs, and don’t sell your data to third parties. (CamelCamelCamel and Keepa, for instance, are Amazon-only and don’t inject affiliate links or track purchases beyond Amazon.)

Simple decision framework:

• If you mostly shop Amazon: CamelCamelCamel or Keepa
• If you shop many retailers and want all-in-one savings: Karma
• If you want lightweight, no-install tracking: Google Shopping price insights
• If you want straightforward cashback across major retailers: Capital One Shopping or Rakuten

For maximum coverage, use Karma as your primary multi-store tracker and add Keepa only if you’re a heavy Amazon shopper who wants the deepest historical data.

The Best Price Trackers

Here’s an in-depth look at each tracker: what it does well, where it falls short, and who it’s best suited for.

Karma

Best for: Shoppers who want price alerts, automatic coupons, and cashback across thousands of stores, all in one tool.

Key features

• Multi-store price tracking: Karma works at over 100,000 online retailers, from Amazon and Target to niche boutiques. Add any product to your wishlist with one click, and Karma monitors the price for you.
• Price drop alerts: Set a target price or let Karma notify you automatically when an item goes on sale. Alerts arrive via email and push notification (if you have the app).
• Price history & trends: See recent price trends and compare across retailers to make sure you’re getting the best deal.
• Automatic coupons: Karma finds and applies promo codes at checkout, stacking coupon savings on top of any price drop.
• Cashback: Earn cash back on eligible purchases at thousands of stores, all tracked in your Karma account.
• Wishlist & shopping list management: Organize your watchlist by category, priority, or store, and share lists with family or friends.
• Browser extension + mobile app: Available for Chrome, Firefox, Edge, Safari, iOS, and Android. Your watchlist syncs across devices.

Pros

• Only tool that combines tracking, coupons, and cashback in one free platform
• Works across thousands of retailers, not just Amazon
• Clean, intuitive interface: easy to set up and use
• No cost; no premium tier required for core features
• Strong privacy practices with transparent data use

Cons

• Price history depth isn’t as granular as Keepa’s multi-year Amazon charts (Karma focuses on recent trends and actionable alerts rather than archival data)
• Requires a free account to save your watchlist and receive alerts

Pricing & platforms

Free. Available as a browser extension (Chrome, Firefox, Edge, Safari) and mobile app (iOS, Android).

Store coverage

Over 100,000 online retailers, including Amazon, Walmart, Target, Best Buy, Macy’s, Nordstrom, Sephora, Home Depot, Wayfair, Etsy, and thousands more.

How to start

1. Install the Karma browser extension or download the mobile app.
2. Browse to any product page and click the Karma icon to add it to your watchlist.
3. Set a target price (optional) or let Karma alert you automatically when the price drops.

Why Karma is #1: Most price trackers do one thing well: Amazon history, or multi-store coupons, or cashback. Karma is the only tool that does all three at a high level, across more stores than any competitor. You’re not sacrificing features or juggling apps; you get the complete savings workflow in one place.

CamelCamelCamel

Best for: Amazon shoppers who want simple, free price history and alerts without extra features.

Key features

• Amazon-only price tracking with charts showing Amazon’s price, third-party seller prices, and historical lows
• Price drop alerts via email or Twitter
• Browser extension (The Camelizer) displays price history directly on Amazon product pages
• Free to use; no account required for basic browsing (account needed for alerts)

Pros

• Clean, straightforward interface focused on price data
• Years of historical data for most Amazon products
• Completely free with no ads or upsells
• No affiliate links or data monetization

Cons

• Amazon-only: useless if you shop elsewhere
• No coupons, no cashback, no shopping list features
• Alert customization is limited (threshold alerts only)
• No mobile app (extension or website only)

Pricing & platforms

Free. Browser extension (Chrome, Firefox, Safari, Edge) and website (camelcamelcamel.com).

Store coverage

Amazon.com (and international Amazon sites).

How to start

1. Install The Camelizer browser extension.
2. Visit any Amazon product page; the extension will display a price history chart.
3. Create a free account and set a price alert if you want to be notified of drops.

For a deeper dive into Amazon-focused tools, check out our guide to the best tools for Amazon price history.

Keepa

Best for: Power users and resellers who need the most detailed Amazon price history, including seller analytics and Buy Box tracking.

Key features

• Extremely detailed Amazon price charts (item price, shipping, sales rank, Buy Box winner, warehouse deals, and more)
• Price drop alerts and product availability tracking
• Mobile app (iOS, Android) and browser extension
• Data export and API access (paid tier)
• Free tier includes basic price history; premium ($19/month or ~$189/year) unlocks advanced features like seller stats and filtering

Pros

• The most comprehensive Amazon price data available
• Tracks more than just price: sales rank, reviews, availability, and Buy Box changes
• Mobile app syncs with browser extension
• Useful for resellers, arbitrage, and deep product research

Cons

• Amazon-only (like CamelCamelCamel)
• Interface can feel overwhelming for casual shoppers
• Best features require a paid subscription
• No coupons or cashback

Pricing & platforms

Free tier (basic price history and alerts). Premium: $19/month or ~$189/year. Browser extension (Chrome, Firefox, Edge, Opera) and mobile app (iOS, Android).

Store coverage

Amazon.com and international Amazon marketplaces.

How to start

1. Install the Keepa browser extension.
2. Browse Amazon; Keepa will inject price charts below each product.
3. Create a free Keepa account to track items and set alerts.

Keepa is overkill for most shoppers, but if you’re buying or selling on Amazon frequently, its depth is unmatched. Compare it to other Amazon-specific price trackers to see if you need this level of detail.

Capital One Shopping

Best for: Shoppers who want automatic price comparisons across retailers and coupon application, with a rewards program for cashback.

Key features

• Automatically compares prices at competing retailers while you shop
• Applies coupon codes at checkout
• Rewards program (earn credits redeemable for gift cards)
• Browser extension (no mobile app)
• Free to use; no Capital One credit card or bank account required

Pros

• Automatic price comparison saves you from opening 10 tabs
• Finds and applies coupons without manual searching
• Rewards are easy to redeem (gift cards to popular stores)
• Free and easy to set up

Cons

• Limited price history: you see competing prices now, not trends over time
• Rewards points are less flexible than cash back (and typically lower value)
• No mobile app (extension only)
• Privacy concerns: collects browsing and purchase data to power comparisons
• Store coverage is good but not as broad as Karma

Pricing & platforms

Free. Browser extension (Chrome, Firefox, Edge, Safari).

Store coverage

30,000+ online retailers.

How to start

1. Install the Capital One Shopping browser extension.
2. Shop normally; the extension will alert you if a lower price is available elsewhere.
3. At checkout, it will test coupon codes and apply the best one automatically.

Capital One Shopping is solid for price comparisons and coupons, but it lacks the price tracking depth and true cashback that Karma offers. For a side-by-side breakdown, read our Karma vs Capital One Shopping comparison.

Google Shopping Price Tracking

Best for: Google users who want built-in price tracking without installing an extension.

Key features

• Price insights and price history displayed in Google Search and the Google Shopping app
• Price drop alerts (if you track an item in the Shopping app)
• No installation required: works in Chrome and the Google app
• Free; tied to your Google account

Pros

• Zero setup: if you’re signed into Google, it’s already there
• Clean integration with search results and the Shopping tab
• Lightweight and fast

Cons

• Limited store coverage (only retailers Google has indexed for Shopping)
• Price history is shallow (usually 60–90 days, sometimes less)
• No coupons, no cashback, no wishlist management
• Alert customization is minimal
• Not available in all regions (primarily US)

Pricing & platforms

Free. Built into Google Search, Chrome, and the Google Shopping app (iOS, Android).

Store coverage

Select retailers indexed by Google Shopping (hundreds, but not comprehensive).

How to start

1. Search for a product in Google (signed into your account).
2. Click “Price insights” if available, or open the Shopping tab.
3. Tap “Track price” to receive alerts in the Google app.

Google’s price tracking is convenient for quick checks, but it’s not robust enough to replace a dedicated tool like Karma if you’re serious about saving money.

Rakuten

Best for: Shoppers who want reliable cash back at major retailers, with a simple browser extension and no setup overhead.

Key features

• Cash back at 3,500+ partner stores (percentage varies by retailer)
• In-store cash back at select retailers via linked card
• Browser extension (Rakuten Cash Back Button) auto-activates cash back
• Some in-extension promo codes and coupon offers
• Mobile app (iOS, Android) with in-app shopping portal
• Free to use

Pros

• True cash back (paid as a check or PayPal), not points
• Strong cash back rates at many major retailers
• Reputable brand with a long track record (formerly Ebates)
• In-store cash back is a bonus for physical shoppers

Cons

• No price history tracking or price drop alerts
• Limited coupon support compared to dedicated coupon tools
• Store network (3,500+) is smaller than Karma’s multi-store coverage
• No wishlist or watchlist feature

Pricing & platforms

Free. Browser extension (Chrome, Firefox, Edge, Safari) and mobile app (iOS, Android).

Store coverage

3,500+ partner retailers including Walmart, Target, Nike, Macy’s, and more.

How to start

1. Sign up for a free Rakuten account at rakuten.com.
2. Install the Rakuten Cash Back Button browser extension.
3. Shop normally — the extension activates cash back automatically when you visit a partner store.

Why Karma is a better choice: Rakuten is solid for cash back, but it stops there. Karma gives you cash back plus price tracking, price drop alerts, and automatic coupon application across far more stores. For one tool that does everything, Karma is the smarter choice.

How to Use Karma as a Price Tracker

Here’s exactly how to set up and use Karma’s price tracking tool to save money on your next purchase.

Set up Karma

1. Install the browser extension: Go to the Karma website and add the extension for Chrome, Firefox, Edge, or Safari. (It takes about 10 seconds.)
2. Download the mobile app: Grab the Karma app from the App Store (iOS) or Google Play (Android).
3. Create a free account: Sign up with your email or Google account. Your watchlist, alerts, and cashback will sync across all devices.

Create a watchlist and set a target price

1. Browse to any product page: Navigate to an item you want to buy (on Amazon, Target, Walmart, or any supported retailer).
2. Click the Karma icon: The extension will pop up and show you the current price, available coupons, and cashback rate.
3. Add to watchlist: Click “Track Price” or “Add to Watchlist.”
4. Set a target price (optional): Enter the price you’re willing to pay (e.g., $150 for a $200 item). Karma will notify you when it hits that threshold.

Turn on price drop and coupon notifications

1. Enable alerts: In your Karma settings (extension or app), make sure price drop notifications and coupon alerts are turned on.
2. Choose notification method: You can receive alerts via email, browser push, or mobile push. (We recommend all three so you never miss a deal.)
3. Adjust frequency: Set whether you want instant alerts or daily summaries.

Stack savings: price drop + coupon + cashback

This is where Karma’s all-in-one approach shines. When your target item goes on sale:

1. Karma alerts you to the price drop: You get a notification that the item hit your target price.
2. Click through from the alert: Karma takes you directly to the product page.
3. Karma auto-applies the best coupon: At checkout, the extension finds and tests promo codes, applying the one that saves you the most.
4. Earn cashback: If the retailer offers cashback through Karma, you’ll earn a percentage back on your purchase (credited to your Karma account).

Example scenario: You’re tracking a $300 laptop. Karma alerts you when it drops to $250 (your target). At checkout, Karma applies a 10% off coupon ($25 savings) and you earn 5% cashback ($12.50). Total paid: $225. Total savings: $75 + $12.50 cashback = $87.50.

For more on automatic coupon code extensions, see our dedicated guide.

Best practices:

• Set realistic targets: Check price history to see what the item typically sells for, and set your alert 10–20% below the current price.
• Track multiple retailers: Add the same item from Amazon, Walmart, and Target to your watchlist so you’re notified of the best deal across all stores.
• Watch shipping and tax: Factor in total cost, not just the item price. Karma shows you cashback and coupons, but shipping and tax still apply.
• Time big-sale seasons: Black Friday, Prime Day, back-to-school, and end-of-season clearances are when you’re most likely to hit historical lows.

Pro Tips to Get Better Deals with Price Trackers

Getting the most from any price tracker comes down to strategy. These tactics work whether you’re using Karma, a dedicated Amazon tracker, or any combination.

Use historical lows to set targets

Before you set a price alert, check the product’s price history chart. If the historical low is $80 and the current price is $100, setting a target of $75 is unrealistic, but $85 is achievable.

Look for patterns: many items drop to their historical low once or twice a year (often around major sales events). If you’re not in a rush, wait for those windows.

Track multiple sizes/colors and bundles

Retailers often price variants differently. A blue shirt might be full price while the same shirt in gray is 30% off. Track all the options you’re willing to buy, and jump on whichever drops first.

Similarly, bundles (like “buy 2, get 1 free” or multi-packs) can have better per-unit pricing than single items, but trackers sometimes miss them. Manually add bundles to your watchlist if they’re available.

Avoid fake “was” pricing and misleading discounts

Some retailers inflate the “original” price to make a discount look bigger. A product listed as “$100, was $200” might never have actually sold for $200.

Price history charts expose this trick. If the chart shows the item has been $100 for six months, the “50% off” claim is fake. Only buy when the current price is below the recent average or near the historical low.

Time your purchases around major sales

If you’re tracking an item and the price hasn’t budged, wait for:

• Black Friday / Cyber Monday (late November)
• Prime Day (mid-July, Amazon)
• Back-to-school sales (late July through August)
• End-of-season clearance (winter in February, summer in August)
• New model releases: when a new version launches, the previous model often drops 20–40%

Compare across retailers

Don’t assume Amazon has the best price. Walmart, Target, Best Buy, and even niche retailers often undercut Amazon on specific items.

Karma’s multi-store tracking lets you watch the same product at five retailers simultaneously. When one drops, you’ll know, and you can buy from the cheapest source without manually checking each site.

Final Verdict: The Best Price Tracker for Most People

We tested every tool on this list across real shopping scenarios. Here’s what the data and day-to-day experience actually showed.

Why Karma is #1

After comparing features, coverage, and real-world usability, Karma is the best price tracker for most shoppers in 2026. Here’s why:

• Multi-store tracking: Karma works at over 100,000 retailers, so you’re not limited to Amazon or a handful of big-box stores.
• Price alerts that actually help: Set target prices or get automatic notifications when items drop. Alerts arrive via email and push, and you can customize sensitivity.
• Automatic coupons: Karma finds and applies promo codes at checkout, stacking coupon savings on top of price drops. This alone can save you 10–20% on many purchases.
• Cashback: Earn cash back (not points) on eligible purchases, with no hoops to jump through.
• Extension + app: Your watchlist syncs across desktop and mobile, so you can track on your laptop and buy on your phone (or vice versa).
• Free: No premium tier, no subscription, no credit card required.

No other tool on this list combines all five pillars: tracking, alerts, coupons, cashback, and cross-platform convenience at this level. You’re not sacrificing one feature to get another; Karma delivers the complete savings workflow.

For a deeper comparison, see our head-to-head reviews: Karma vs Rakuten and Karma vs Capital One Shopping.

When to use an Amazon-only tracker instead

If you’re a heavy Amazon shopper who wants years of historical price data, detailed seller analytics, or Buy Box tracking, add Keepa alongside Karma. Keepa’s charts go deeper than any multi-store tracker, and the paid tier unlocks features useful for resellers and power users.

But for 95% of shoppers, Karma’s Amazon tracking is more than sufficient, and you get the added benefit of tracking your non-Amazon purchases in the same tool.

Ready to stop overpaying? Install the Karma browser extension or download the mobile app today and start tracking prices, stacking coupons, and earning cashback across every store you love. It’s free, it’s fast, and it’s the only savings tool you’ll actually use every time you shop.