FLYNGO Manual Knife Sharpener 3 Stage Sharpening Tool for...

ASIN: B0F6YS85V1INMar 2, 2026

Trust Score

Excellent

PASS

Good for: Shoppers who want a reliable, well-reviewed product

Watch out for: too-many-short-reviews

Last analyzed: March 2026

Check Price on Amazon

Total Reviews

797

On Amazon

Verified

100%

Good

Amazon Rating

3.9

Original rating

Savinoo Rating

3.7

Adjusted rating

Our Recommendation

RECOMMENDED

PROCEED WITH AWARENESS - Reviews appear mostly genuine, but consider the noted concerns.

Analysis Summary

LOW RISK (Score: 95/100) FLYNGO Manual Knife Sharpener 3 Stage Sharpening Tool for...'s reviews appear mostly authentic. Additional Concerns: 100% of 5-star reviews are very short.
Quality products usually get detailed positive reviews. Positive Indicators: 100% of reviews are from verified purchases, which is good..

Customer Reviews from Amazon

Most Helpful Review

Verified

"Used for just couple of times, after that it has become useless. Ordered this because my previous purchase of eversprout brand was not available."

kaushik

3 found helpfulAug 2025

Verified

placeholder

Feb 10, 2026

Awesome, exellent quik sharpner ,

Verified

kalavati hegde

Feb 2, 2026

ಚೆನ್ನಾಗಿದೆ

Verified

trigu sd

Jan 18, 2026

Good product

Verified

sridevi

Jan 16, 2026

Must have for your kitchen ..Good product Very useful

Verified

puppi

Oct 20, 2025

Good quality, working as expected

Verified

prasun chatterjee

Oct 12, 2025

Excellent product....my knives are as good as new.

What Customers Talk About

Commonly Praised

kniveskitchenknifeyourusefulqualityrecommendedchef

Commonly Complained

carrot shapedknivespoorqualitystandardjapaneseavailabledoesn

Review Quality Analysis

Review quality helps identify authentic customer feedback. Longer, detailed reviews (50+ words) typically indicate genuine experiences, while high percentages of short reviews (under 20 words) may suggest incentivized or fake feedback.

Average Words

⚠ Brief reviews

Long Reviews

⚠ Low detail

Short Reviews

67%

⚠ High brief reviews

Review Length Distribution

Authentic vs Brief Reviews

Average Word Count Gauge

Benchmark: 30 words = moderate, 50+ words = detailed & authentic

avg. words per review

Detailed (50+)

Moderate (30–49)

Brief (<30) — Suspicious

Interpretation: High volume of brief reviews may indicate incentivized feedback or review manipulation.

Review Velocity

Review velocity tracks how quickly reviews are posted. Steady, gradual accumulation is natural, while sudden spikes or bursts (20+ reviews in a single day) may indicate incentivized campaigns or coordinated activity.

Average Per Day

0.03

Natural pace

Max in One Day

Normal range

Variable Velocity Pattern

Review posting rate varies over time. This may be linked to promotions, product launches, or seasonal events.

Rating Breakdown

This chart shows how customers rated FLYNGO Manual Knife Sharpener 3 Stage Sharpening Tool for.... Products with authentic reviews typically show a bell curve with most ratings in the 3–4 star range. A heavily polarized distribution — many 5★ and 1★ with few middle ratings — can be worth investigating further.

5⭐

50%

399

4⭐

21%

167

3⭐

14%

112

2⭐

1⭐