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.

MORIRIN Japanese Floor Futon Mattress (Shikibuton) with Body Pressure Dispersion, Made in Japan, Twin

Name: MORIRIN Japanese Floor Futon Mattress (Shikibuton) with Body Pressure Dispersion, Made in Japan, Twin
Brand: Amazon
SKU: B0DDKQFB2D
Availability: InStock
Rating: 3.9 (15 reviews)

ASIN: B0DDKQFB2D

Analysis Date: Nov 9, 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 product shows moderate signs of review manipulation with several concerning patterns. The reviews are overwhelmingly positive (14/15 are 5-star, 1 is 4-star) with unusually high verification rates (all marked 'V'). Multiple reviews contain nearly identical phrasing and structure, particularly repeating phrases like 'comfortable, supportive, and really well made' and 'wake up without aches.' Several reviews appear to be duplicate or near-duplicate entries (R3B9H8WT81PN12 appears twice, R1KZRB51UT8YRT appears twice, R3QSDRPRNM3MN8 appears twice). The reviews follow a formulaic pattern focusing on the same key benefits: easy storage, back support, and Japanese craftsmanship. While some reviews contain specific details that appear genuine, the high concentration of verified 5-star reviews with repetitive language suggests organized review manipulation.

Review Statistics

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.