How does RateBud detect fake Amazon reviews?

RateBud uses advanced AI to analyze review patterns, language authenticity, timing anomalies, and content quality. We examine reviewer behavior, review velocity, and linguistic markers to detect fake reviews with high accuracy.

What does the trust score mean?

The trust score is a percentage from 0-100% indicating review authenticity. This product scored 93% (Grade A). Scores above 80% indicate highly trustworthy reviews, 60-79% are generally reliable, and below 60% suggest caution.

Is RateBud's review analysis free?

Yes, RateBud's AI-powered review analysis is completely free. We analyze Amazon reviews to help you avoid fake reviews and make informed purchasing decisions. No signup required.

30pcs JINHAO Ink Cartridges Fountain Pen Refills for JINHAO and Baoer Pen Standard Size (Mixed Colors)

Name: 30pcs JINHAO Ink Cartridges Fountain Pen Refills for JINHAO and Baoer Pen Standard Size (Mixed Colors)
Brand: 30pcs
SKU: B0967TDG33
Price: 7.98 USD
Availability: InStock
Rating: 4.4 (583 reviews)

4.4(583 reviews)

AI-powered analysis of this product's reviews to help you make an informed purchase decision.

Last analyzed: December 29, 2025

0%🟢

Excellent

Trust Score

How trustworthy are the reviews for this product?

✓ Reviews appear trustworthy

Analysis Summary

This 30-piece set of JINHAO ink cartridges has received overwhelmingly positive reviews from customers, with a 4.4-star rating out of 5. The reviews are credible and consistent, indicating that the product is reliable and performs well. However, the seller's reputation is somewhat lower than expected, which may raise concerns about customer service and product quality consistency in the long term.

Review Timeline

Review patterns over time - spikes may indicate manipulation

93%

Velocity Score

Spikes

None found

Peak

Reviews/mo

Timeline

Months

Pattern Analysis

Good: Review pattern appears natural with steady growth. No suspicious spikes that might indicate review manipulation.

Keyword Analysis

Common phrases and their authenticity patterns

89%

Authenticity

great value for the price(5)perfect for me(8)

Positive

Natural phrases

Critical

Genuine concerns

Suspicious

Generic phrases

Language Authenticity

Vocabulary Diversity96%

Natural Language Flow87%

Unique Phrasing93%

Good: Language patterns appear natural with good diversity. Reviews use varied vocabulary and authentic expressions.

Recommendation

✅ Recommended

Analysis Date

December 29, 2025

Total Reviews

583 reviews analyzed

Understanding This Trust Score

30pcs JINHAO Ink Cartridges Fountain Pen Refills for JINHAO ... received a Grade A with a trust score of 93/100. This product has earned our highest trust rating. The review patterns show authentic customer feedback with natural language variation, consistent timing, and verified purchases. You can shop with confidence.

What This Means:

•Reviews show natural language diversity
•No suspicious timing patterns detected
•High percentage of verified purchases
•Review velocity matches expected sales patterns

What Reviewers Are Saying

Based on our analysis of customer reviews for 30pcs JINHAO Ink Cartridges Fountain Pen Refills f..., here are the most common themes and opinions shared by verified buyers:

✓ Commonly Praised:

great value for the price (5x)perfect for me (8x)

Overall sentiment: This 30-piece set of JINHAO ink cartridges has received overwhelmingly positive reviews from customers, with a 4.4-star rating out of 5. The reviews are credible and consistent, indicating that the product is reliable and performs well. However, the seller's reputation is somewhat lower than expected, which may raise concerns about customer service and product quality consistency in the long term.

Frequently Asked Questions

Are the reviews for 30pcs JINHAO Ink Cartridges Fountain Pen... real?

▼

Based on our AI analysis, approximately 93% of reviews appear authentic, while 7% show patterns consistent with potentially fake or incentivized reviews. Overall, you can trust most reviews for this product.

How does RateBud detect fake reviews?

▼

Our AI analyzes multiple factors including review timing patterns, language similarity, reviewer history, and purchase verification. For this product, we analyzed 583 reviews to calculate the trust score.

Should I buy 30pcs JINHAO Ink Cartridges Fountain Pen...?

▼

Based on our analysis, this product has trustworthy reviews and appears to be a safe purchase. The A grade indicates excellent review authenticity.

Shopping Tips for [object Object]

This product has 583 reviews with a Grade A trust score. Here's what to keep in mind:

💡Always prioritize verified purchase reviews over unverified ones
💡Look for detailed reviews that mention specific pros and cons
💡Be cautious of products with sudden spikes in positive reviews

Ready to make your purchase?

Based on our analysis, you can make an informed decision. Click below to purchase this product on Amazon.

✨ Premium Quality Product

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Grade A30pcs JINHAO Ink Cartridges Fountain Pen Refills for JINHAO and Baoer Pen Standard Size (Mixed Colors)