I’ve had enough of dull kitchen knives, the ones that struggle through tomatoes or jaggedly chop vegetables. So, when I saw Besynersharp Pro being promoted as a quick‑fix electric sharpener, I thought: maybe this is the shortcut I need. I bought it hoping it would resurrect all my knives to razor‑edge sharpness, but the reality turned out to be more disappointing than I expected.

What Is the Besynersharp Pro Knife Sharpener?
The Besynersharp Pro Knife Sharpener is a USB‑powered electric knife sharpener marketed online as a versatile tool capable of sharpening kitchen knives, pocket knives, scissors, and general everyday blades. The ads promise “professional-level” sharpening at home, with minimal effort: plug in, slide the blade a few times, and your dull knife becomes sharp.
Why I Bought It
My kitchen workflow had slowed down because my knives were dull and no longer slicing cleanly. I didn’t want to fuss with whetstones, manual pull-through sharpeners, or take knives to a shop, so I liked the promise of a simple, fast, plug‑and‑go solution. If it worked even halfway decently, it would save time and give me usable blades again, which sounded worth trying.
My Experience Using It
When the sharpener arrived, it looked compact and light, and the setup was easy: plug it in via USB, turn it on, and start sliding the blade. I first tried it on my main chef’s knife… the dullest one in the kitchen. I slid it through the slots a few times, expecting a noticeable difference when I tested the edge.
But when I tried to slice a tomato and then a piece of bread, the results were underwhelming. The knife still struggled, the cuts were jagged, and it felt like the blade was only slightly polished, not sharpened. Even after repeating passes more than recommended, there was no meaningful difference. It almost felt like I’d wasted time.
Curious if maybe it worked better on simple blades, I tried it on a small pocket knife and a pair of kitchen scissors. There, the sharpener performed better, the scissors regained some of their original bite, and the small knife cut more cleanly than before (though still nowhere near “razor‑sharp”). That was when it struck me: this tool is really only useful for small blades or light-duty cutting, and not proper kitchen knives.
The build felt a bit cheap, too. The motor made a soft buzzing sound (more like a weak fan than a grinding motor), which, combined with the weak sharpening result, gave me the impression this was a low‑power sharpener in disguise, not the powerful tool the ads portrayed.
Pros & Cons
Pros
- Compact, lightweight and easy to store
- Simple plug‑and‑use, no need to master a technique
- Can revive small blades, pocket knives, or scissors somewhat
- Portable and doesn’t require space like a large whetstone setup
Cons
- Very weak sharpening power and doesn’t sharpen thicker kitchen knives properly
- Sharpener feels fragile, motor sounds weak, and it’s likely a low‑voltage USB motor
- Overhyped marketing, as the promises far exceed actual performance
- Not suitable for serious kitchen knives… more useful for thin blades/scissors
- Overpriced when compared with performance (similar models cost much less)
Is It a Scam?
I wouldn’t label it a scam in the sense of money disappearing or fraud. The product arrives, it runs, and for light blades, it can provide a small edge. But the advertising and promises of “professional-grade sharpening” are misleading. For kitchen knives that need actual sharpening, the device fails, meaning buyers expecting serious sharpening will be deeply disappointed.
Alternatives
- Grihot VN3 Professional Knife Sharpener
- The Original Tumbler Rolling Knife Sharpener
- Work Sharp Precision Adjust Elite Knife Sharpener
Conclusion — Would I Recommend It?
No, not if you expect it to keep your kitchen knives razor‑sharp. Besynersharp Pro might be tempting for its low price and simplicity, but when it comes to real knife performance in the kitchen, it falls short.
If you want a quick fix for small blades or scissors, it might do a light job, but for serious cooking, reliable sharpening, or longevity of your knives, you’re better off with a proper sharpener: manual, electric, or stone-based.
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