What percentage of reviews are fake for this product?

42.00% of the analyzed reviews appear to be fake or inauthentic.

What is the authenticity grade for this product?

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

How many reviews were analyzed?

15 reviews were analyzed for authenticity patterns.

What is the adjusted rating after removing fake reviews?

After removing suspicious reviews, the adjusted rating is 3.90 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.

FATHOM Firm Full Mattress 8 Inch Memory Foam Mattress Full Size Bed in a Box for Back Pain Relief and Cool Sleep with Gel Foam and Removeable Fiberglass Free Cover, CertiPUR-US Certified

Name: FATHOM Firm Full Mattress 8 Inch Memory Foam Mattress Full Size Bed in a Box for Back Pain Relief and Cool Sleep with Gel Foam and Removeable Fiberglass Free Cover, CertiPUR-US Certified
Brand: Amazon
SKU: B0F633VF17
Availability: InStock
Rating: 3.9 (15 reviews)

ASIN: B0F633VF17

Analysis Date: Oct 30, 2025

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Review Analysis Results

Authenticity Grade

42.00%

Fake Reviews

4.93

Original Rating

3.90

Adjusted Rating

Analysis Summary

This mattress review set shows moderate signs of inauthentic reviews with several concerning patterns. While there are some legitimate-sounding reviews with specific details and minor criticisms, the overwhelming 5-star bias (14/15 reviews are 5-star, 93%) combined with repetitive language patterns raises suspicion. Multiple reviews use nearly identical phrasing about 'perfect balance of comfort and support,' 'gel memory foam keeps me cool,' and 'fiberglass-free' features. The reviews lack substantive negative feedback except for one 4-star review mentioning thickness concerns. The high verification rate (all marked 'V') combined with formulaic language suggests potential review manipulation, though some reviews contain personal details that appear genuine.

Review Statistics

349

Total Reviews on Amazon

-1.03

Rating Difference

Price Analysis

Price analysis pending

Price insights will be available shortly.

Understanding This Analysis

What does Grade D mean?

This product has significant review authenticity issues. Many reviews show patterns consistent with fake or incentivized reviews. Exercise caution.

Adjusted Rating Explained

The adjusted rating (3.90 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 (4.93 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.