Comparison

Keepa · Price Tracker vs Ring Sizer

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

Ring Sizer

Features
Read full description

Ring Sizer helps you find the right ring size before ordering online. Measure an existing ring, use a paper or string guide, convert between common size systems, and save sizes for different fingers or people. The app gives practical guidance when you are between sizes, buying wider bands, or choosing a gift ring. Use Ring Sizer to: - estimate size from an existing ring - measure finger circumference with a simple guide - convert US, EU and UK ring sizes - save sizes per finger - make online ring shopping more confident Ring sizes can vary by brand and ring style, so estimates are intended as a helpful starting point. Terms of Use (EULA): https://georgevalandis.com/apps/ring-sizer/terms-and-conditions/ Privacy Policy: https://georgevalandis.com/apps/ring-sizer/privacy-statement/

Screenshots

Keepa · Price Tracker4 screens
Ring Sizer4 screens

Verdict

The call

The clearest difference is in-app purchases: Keepa · Price Tracker at none against Ring Sizer's 2. 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. Ring Sizer sells 2 in-app purchases, starting at $3.99 per year. Keepa · Price Tracker asks for nothing beyond the download.

Scorecard1 real difference · 9 level
Keepa · Price Tracker versus Ring Sizer: the parameters behind the verdict, then further details
ParameterKeepa · Price TrackerRing Sizer
PriceFreeFree
Rating4.8 (1.6K ratings) — better—
Positive reviews51.6% of reviews—
Number of ratings1.6K — better—
Update frequencyEvery 4 days—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better17.0
Further details — not scored
Size79 MB9 MB
Age rating4+4+
DeveloperKeepa.comGeorgios Avenidis

In-app purchases

None

Keepa · Price Tracker

No in-app purchases

2 purchases

Ring Sizer

Subscriptions1
  • Ring Sizer Yearly$3.991 Year
One-time1
  • Ring Sizer Lifetime$8.99

Questions

Is Keepa · Price Tracker free?
Keepa · Price Tracker is free to download, with no in-app purchases.
Is Ring Sizer free?
Ring Sizer is free to download, with in-app purchases available.
Do Keepa · Price Tracker or Ring Sizer have ads?
Neither Keepa · Price Tracker nor Ring Sizer shows ads.

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