What percentage of reviews are fake for this product?

65.00% 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 3.20 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.

Knee Massager for Joint Pain Relief with Heat, Rechargeable Red Light Vibration Knee Arthritis Massage Physiotherapy Machine for Women, Elder Age, Men - 1 Year Warranty

Name: Knee Massager for Joint Pain Relief with Heat, Rechargeable Red Light Vibration Knee Arthritis Massage Physiotherapy Machine for Women, Elder Age, Men - 1 Year Warranty
Brand: Amazon
SKU: B0DS17889Y
Availability: InStock
Rating: 3.2 (15 reviews)

ASIN: B0DS17889Y

Analysis Date: Nov 1, 2025

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Review Analysis Results

Authenticity Grade

65.00%

Fake Reviews

4.73

Original Rating

3.20

Adjusted Rating

Analysis Summary

The review set shows strong indicators of artificial/incentivized reviews with a high fake percentage. Key findings: 1) EXTREME rating bias - 88% are 5-star (14/16 reviews), with only 2 mild 4-star reviews and no critical feedback, highly unnatural for any product. 2) Duplicate reviews - IDs RK1TUR1EQ3WND and R3OB83VZBG0XIW appear twice with identical content, clear manipulation. 3) Generic, repetitive language across multiple reviews with minimal product specifics - phrases like 'good product,' 'helps with pain,' 'recommend' repeated. 4) Multiple reviews mention family members (mother, father, patients) in similar vague ways, a common fake review pattern. 5) Poor grammar/spelling in several reviews ('owsome,' 'fells,' 'its' instead of 'it's') combined with overly positive tone suggests non-native speakers writing template reviews. 6) No substantive criticism or balanced perspectives despite this being a medical device where individual experiences typically vary.

Review Statistics

238

Total Reviews on Amazon

-1.53

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 (3.20 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 (4.73 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.