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 3.80 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.

VIPERTEK VTS-881 Micro Stun Gun for Self Defense Rechargeable with LED Flashlight

Name: VIPERTEK VTS-881 Micro Stun Gun for Self Defense Rechargeable with LED Flashlight
Brand: Amazon
SKU: B01F8KL3T8
Availability: InStock
Rating: 3.8 (15 reviews)

ASIN: B01F8KL3T8

Analysis Date: Nov 4, 2025

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Review Analysis Results

Authenticity Grade

42.00%

Fake Reviews

4.87

Original Rating

3.80

Adjusted Rating

Analysis Summary

This product shows moderate signs of review manipulation with several concerning patterns. The overwhelming 5-star bias (14/15 reviews are 5-star, 93%) is highly suspicious for a self-defense product where more balanced feedback would be expected. Multiple reviews contain nearly identical phrasing about 'compact size' and 'never had to use it' with minimal variation. Several reviews appear to be from the same user posting duplicate content (R1PFSE2N7G3C51 appears twice with identical text). The review quality is generally low with repetitive, generic praise and minimal substantive detail about actual usage or performance. However, some reviews do contain specific product details and personal experiences that appear genuine, preventing a higher fake percentage assessment.

Review Statistics

27,835

Total Reviews on Amazon

-1.07

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 (3.80 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 (4.87 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.