Comparison

Keepa · Price Tracker vs StudFinder.app

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Keepa · Price Tracker

Track Amazon product prices and receive alerts for drops or restocks. Analyze price history, sales rank, and offer counts to shop smarter and identify the best deals.

Highlights
  • Price history graphs
  • Price drop alerts
  • Availability alerts
  • Product search and scanner
  • Sales rank history
  • International Amazon support
Read full description

Shop smarter. Sell better. Never overpay. Keepa® is the world’s most popular Amazon price tracker. Whether you are a savvy shopper waiting for the perfect deal, or a seller analyzing market trends, Keepa provides the transparency and data you need to make the right decision. Access detailed price history charts for over 8 billion Amazon products directly on your phone. See through fake discounts, spot seasonal trends, and find the lowest historical price in seconds. KEY FEATURES: + Comprehensive Price History Graphs Instant transparency. View detailed charts showing Price history (New, Used, Warehouse Deals), Sales Rank, Buy Box history, and Offer counts. Zoom in to see daily fluctuations or zoom out to view years of data. + Price Drop & Availability Alerts Don't constantly refresh the page. Simply set your desired price, and Keepa will notify you when the price drops or when a product comes back in stock. Ideal for securing the best deals or monitoring competitor inventory. + Global Product Search & Scanner Find what you need instantly. Search specifically for Amazon products or use the built-in barcode scanner to check online prices while you are in a retail store. + Deep Market Insights Go beyond the price tag. Access advanced data including: • Sales Rank History: Gauge product popularity over time. • Buy Box Statistics: See who is winning the sale and at what price. • Offer Counts: Track how many sellers are competing on a listing. • Rating & Review History: Monitor product reputation trends. + International Amazon Support Track prices across the globe. Keepa supports Amazon locales in the US, Germany, UK, France, Italy, Spain, Canada, Japan, India, Mexico, and Brazil. Download Keepa today and master the Amazon marketplace.

About

StudFinder.app

Track LEGO prices from over 20 retailers and receive instant deal alerts. Check in-store availability, browse the complete LEGO catalog, and manage your collection's value. Never miss a LEGO deal again.

Highlights
  • Real-time deal alerts
  • In-store stock and price checker
  • Full LEGO catalog browsing
  • LEGO collection value tracking
  • Barcode scanning for set addition
  • Customizable notification settings
Features
Read full description

Never miss a LEGO deal again. StudFinder tracks LEGO prices at 20+ retailers and alerts you the moment a set drops. Check store shelves before you drive, browse the full LEGO catalog, and see what your collection is worth, all in one app. REAL-TIME DEAL ALERTS • Instant alerts when LEGO sets drop in price at Amazon, LEGO.com, Walmart, Target, Best Buy, Costco and more • Amazon, LEGO.com and eBay alerts are free, and you can turn them on before you make an account • See the discount, price per piece, stock status and retailer at a glance, in the deal's own currency • Choose your regions and minimum discount, and hide third-party sellers • Follow specific sets and set your own discount for each one • Mute sets you already own so they stay out of your feed, free with an account IN-STORE CHECKER • Check stock and prices at Walmart, Target and Costco stores near you • Enter any ZIP code to see which stores have a set, and at what price • Search several sets across several stores at once • Save searches to run again with one tap, and look back at past results LEGO CATALOG • Browse every LEGO set, minifigure and part • Filter by theme, year, price, piece count and availability • See BrickLink new and used prices next to retail • Find recently released and retired sets COLLECTION • Track your LEGO collection with search, sort and filters • See what it's worth at current Amazon and BrickLink prices • Scan a barcode to add a set in seconds • Import your collection from a CSV file • Log sales and profits in the Sales Ledger on studfinder.app NOTIFICATIONS YOUR WAY • Pick which regions and retailers send you alerts • Set one minimum discount for everything, or a different one for each set • Manage followed and muted sets in one place • Opt in to emails about new deals and features COMMUNITY • Join hundreds of LEGO deal hunters on the StudFinder Discord to share finds and tips SIGN IN YOUR WAY • Sign in with Apple, Google or email • Unlock with Face ID or Touch ID PLANS Start free. Upgrade for more retailers, in-store checks and collection tools. • Free: Amazon, LEGO.com and eBay alerts, the full catalog, and alerts for up to 10 followed sets • Supporter: in-store checks (50 STUDs a day), collection value tracking, the subscribers-only Discord channel, and up to 25 followed sets • Pro: alerts from all 20+ retailers, barcode scanning and inventory audit, the Sales Ledger, 500 STUDs a day, and up to 100 followed sets • Shikari: everything in Pro, with 1,500 STUDs a day and up to 250 followed sets In-store searches cost STUDs. Your allowance resets every day. Whether you're chasing the best price on the newest Star Wars set or keeping an eye on a retired Ideas set, StudFinder keeps you a step ahead. Download StudFinder and start finding LEGO deals today. Terms of Use: https://studfinder.app/terms-of-service Privacy Policy: https://studfinder.app/privacy-policy ©2026 StudFinder.app | LEGO is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this application.

Screenshots

Keepa · Price Tracker4 screens
StudFinder.app4 screens

Verdict

The call

The clearest difference is in-app purchases: Keepa · Price Tracker at none against StudFinder.app's 3. Keepa · Price Tracker also leads on update cadence (every 4 days vs every 3 weeks) and ratings volume (1.6K vs 4). StudFinder.app's advantage is rating (5.0 vs 4.8). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. StudFinder.app sells 3 in-app purchases, starting at $4.99 per month. Keepa · Price Tracker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

StudFinder.app holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Keepa · Price Tracker has 1.6K ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

Keepa · Price Tracker ships an update every 4 days, StudFinder.app every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 5 level
Keepa · Price Tracker versus StudFinder.app: the parameters behind the verdict, then further details
ParameterKeepa · Price TrackerStudFinder.app
PriceFreeFree
Rating4.8 (1.6K ratings)5.0 (4 ratings) — better
Positive reviews51.6% of reviews—
Number of ratings1.6K — better4
Update frequencyEvery 4 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.416.4
Further details — not scored
Size79 MB63 MB
Age rating4+4+
DeveloperKeepa.comStudFinder

Customer experience

Keepa · Price Tracker

All ratings1,550 ratings
Positive95.2%
Neutral1.7%
Negative3.0%
Written reviews386 reviews
Positive51.6%
Neutral11.1%
Negative37.3%

StudFinder.app

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Keepa · Price Tracker

No in-app purchases

3 purchases

StudFinder.app

Subscriptions3
  • StudFinder Supporter7 Days trial$4.991 Month
  • StudFinder Pro7 Days trial$19.991 Month
  • StudFinder Shikari7 Days trial$49.991 Month

Questions

Is Keepa · Price Tracker free?
Keepa · Price Tracker is free to download, with no in-app purchases.
Is StudFinder.app free?
StudFinder.app is free to download, with in-app purchases available.
Which has better reviews, Keepa · Price Tracker or StudFinder.app?
StudFinder.app is rated higher. Keepa · Price Tracker averages 4.8 out of 5 from 1.6K ratings, while StudFinder.app averages 5.0 from 4 ratings.
Do Keepa · Price Tracker or StudFinder.app have ads?
Neither Keepa · Price Tracker nor StudFinder.app shows ads.
Which is updated more often, Keepa · Price Tracker or StudFinder.app?
Keepa · Price Tracker ships an update every 4 days, and StudFinder.app every 3 weeks. Most recently, Keepa · Price Tracker was updated on November 3, 2026 and StudFinder.app on November 5, 2026.

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