# Keepa · Price Tracker vs Knockoff

The clearest difference is rating: Keepa · Price Tracker at 4.8 against Knockoff's 3.8. Keepa · Price Tracker also leads on ratings volume (1.6K vs 9). Knockoff's advantage is review sentiment (75% vs 52%) and device support (4 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Keepa · Price Tracker holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: Keepa · Price Tracker has 1.6K ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 52% of Keepa · Price Tracker's written reviews are positive against 75% of Knockoff's, so the app with the better star average is not the one people write more warmly about.

Keepa · Price Tracker ships an update every 4 days, Knockoff weekly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Keepa · Price Tracker | Knockoff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/keepa-price-tracker/id1518541385/reviews)** | [3.8 (9 ratings)](https://appshunter.io/ios/app/knockoff-shopping-filter/id6788401939/reviews) |
| Number of ratings | **1.6K** | 9 |
| Positive reviews | 51.6% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free | Free |
| Size | 79 MB | 1 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Keepa.com](https://appshunter.io/developer/1518541384) | [Ordinary Systems, LLC](https://appshunter.io/developer/365902614) |

## What reviewers say

### Keepa · Price Tracker

[App page](https://appshunter.io/ios/app/keepa-price-tracker/id1518541385)

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

**In-app purchases:** none


### Knockoff

[App page](https://appshunter.io/ios/app/knockoff-shopping-filter/id6788401939)

This Safari extension helps you avoid counterfeit and low-quality products on Amazon. It identifies and filters out suspicious brands, allowing you to see only reputable ones. Customize your filtering experience with multiple levels and personal blocklists.

**Highlights:** Hides, dims, or labels flagged listings, Filters sponsored listings, Three filter levels: Relaxed, Standard, Strict, Allowlist and blocklist functionality, One-click misclassification reporting, Works on iPhone, iPad, and Mac

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Keepa · Price Tracker free?

Keepa · Price Tracker is free to download, with no in-app purchases.

### Is Knockoff free?

Knockoff is free to download, with no in-app purchases.

### Which has better reviews, Keepa · Price Tracker or Knockoff?

Keepa · Price Tracker is rated higher. Keepa · Price Tracker averages 4.8 out of 5 from 1.6K ratings, while Knockoff averages 3.8 from 9 ratings.

### Do Keepa · Price Tracker or Knockoff have ads?

Neither Keepa · Price Tracker nor Knockoff shows ads.

### Which is updated more often, Keepa · Price Tracker or Knockoff?

Keepa · Price Tracker ships an update every 4 days, and Knockoff weekly. Most recently, Keepa · Price Tracker was updated on November 7, 2026 and Knockoff on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*