What percentage of reviews are fake for this product?

28.00% of the analyzed reviews appear to be fake or inauthentic.

What is the authenticity grade for this product?

The product receives a grade of C based on review authenticity analysis.

How many reviews were analyzed?

9 reviews were analyzed for authenticity patterns.

What is the adjusted rating after removing fake reviews?

After removing suspicious reviews, the adjusted rating is 4.30 out of 5 stars.

How does this analysis help consumers?

This analysis helps consumers identify products with manipulated reviews, enabling more informed purchasing decisions based on genuine customer feedback.

4 Replacement Water Filter for Waterdrop WD-PF-01A Plus,Water Filter Cartridges Compatible with All Waterdrop Tank Filtration System,NSF Certified,reducing impurities,Chlorine and Metals

Name: 4 Replacement Water Filter for Waterdrop WD-PF-01A Plus,Water Filter Cartridges Compatible with All Waterdrop Tank Filtration System,NSF Certified,reducing impurities,Chlorine and Metals
Brand: Amazon
SKU: B0F9YQPDLT
Availability: InStock
Rating: 4.3 (9 reviews)

ASIN: B0F9YQPDLT

Analysis Date: Nov 3, 2025 (re-analyzed Nov 3, 2025)

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Review Analysis Results

Authenticity Grade

28.00%

Fake Reviews

5.00

Original Rating

4.30

Adjusted Rating

Analysis Summary

The review set shows moderate concerns with 28% estimated fake reviews. Analysis reveals: 100% of reviews are 5-star with 100% verified purchase status, creating an unnatural perfection pattern. The reviews are predominantly short, generic, and repetitive with minimal product-specific details. Multiple reviews contain vague, template-like language ('Excellent', 'Thank you I liked it', 'Seems good') that lacks substantive information. However, some reviews do contain specific usage details and product comparisons that appear genuine. The absence of any critical feedback across all reviews is statistically improbable for a real product experience distribution.

Review Statistics

Total Reviews on Amazon

-0.70

Rating Difference

Price Analysis

Price analysis pending

Price insights will be available shortly.

Understanding This Analysis

What does Grade C mean?

This product has moderate review authenticity concerns. A notable portion of reviews show suspicious patterns. Consider reading reviews carefully before purchasing.

Adjusted Rating Explained

The adjusted rating (4.30 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (5.00 stars), suggesting positive fake reviews may be inflating the score.

How We Detect Fake Reviews

Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.

Important Limitations

No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.