The Best Knife Sharpener – Reviews 2017

Set of Kitchen Knives

A sharp knife is important for safety because a dull knife tends to be more prone to slip on food that may result in bloody injury. A sharp knife is also important for efficiency. It can save you time and effort to cut using sharp knives than with dull knives.

Do you also know that using sharp knives can preserve the true flavors of the fresh ingredients you are using in your recipe? Since a dull knife may damage the food on a cellular level that may alter its taste and appearance. That is why the quality of the cut is very important in professional cooking.

Most of the professional chefs finish their shifts by sharpening their knives at the end of each day. They also do not wait for their knives to become blunt as it would take more time and effort to sharpen.

Now that we know that a sharp knife is not just sharper, but it is also safer, more efficient and more precise kitchen tool to use. It is time to get your best knife sharpener! We have already done the research for you in finding the best knife sharpeners that are available on the market.

5 Best Knife Sharpeners That You Should Have


#1 Chef’s Choice 15 Trizor XV EdgeSelect Electric Knife Sharpener

Chef's Choice 15 Trizor XV EdgeSelect Electric Knife SharpenerThere are numerous positive reviews on the Chef’s Choice Trizor 15. But what really amazed the consumers is that the knife sharpener was able to restore their knives with severe damage or nicks. So if you have an expensive knife with too many nicks, this electric knife sharpener will be able to save your beloved knife.

The Chef’s Choice Trizor XV electric knife sharpener features a combination of strength and durability of the Trizor edge with ultra-sharp 15-degree technology. The knife sharpener is ideal for converting the traditional 20 degree factory edges of kitchen knives into the high performing Trizor XV edges.

This knife sharpener from Chef’s Choice offers a 3-Stage system to select for that perfect edge with each cutting tasks.
The Stage 1 uses diamond abrasives on its conical disks to create an extremely fine “micro-grooves” on the facets on both sides of the blade. This also gives the knife more ‘bite’.
The Stage 2 features finer diamond abrasives to create an even finer micro-grooves.
The Stage 3 features patented flexible abrasive stropping disk system, which is a high-tech version of barber strop, to create a smooth ultra-sharp blade. The stropping action will also further polish the “micro-grooves”.

The Chef’s Choice Trizor XV EdgeSelect Knife Sharpener will not just keep your knives in tip-top shape for years to come. But it will also make your knives even better than the day you bought it!

Amazon’s Consumer Ratings: 4.7 stars (721 Reviews)

Click to see product


  • Sharpening works really great that it will surely pass the paper cut test
  • Ability to restore knives with severe nicks
  • Ability to tune up large serrated edges such as bread knives
  • Ability to convert 20° knife edges into the sharper 15° edge
  • Can be used on both Japanese single & double-edge 15° knives

  • May be more expensive than your set of kitchen knives
  • Cannot sharpen pocket knives with thicker blade flat or grind

#2 Chef’s Choice 250 Diamond Hone Hybrid Knife Sharpener

Chef's Choice 250 Diamond Hone Hybrid Knife SharpenerFor a more affordable version (around $50), our best buy is the Chef’s Choice 250 Diamond Knife Sharpener. There are many of its consumers whom converted from manual sharpener (steel or stone) to using this electric knife sharpener. And they’re glad they did! Some of them just thought that they may not be that good in using manual sharpeners because when they used the Chef’s Choice 250 electric knife sharpener, their kitchen knives are a lot sharper than they were. They also find this electric sharpener to be great for fixing very dull blades.

The Chef’s Choice 250 Diamond Hybrid Sharpener offers both electric and manual. It features 3-stage hybrid sharpening technology. In which the first 2 stages are for sharpening which is electric, and the 3rd stage is for manual honing or polishing. In stage 3, it features ultra-thin diamond abrasives to ensure a sharp polished edge of the blade. You can use the knife sharpener to sharpen straight and serrated blades such as kitchen and household knives, as well as sporting or pocket knives. Like all Chef’s Choice Knife Sharpeners, the 250 model is engineered and assembled in the USA.

If it’s not ideal for you to spend more than $100 on a knife sharpener, then the Chef’s Choice 250 Diamond Hybrid Sharpener is your best affordable electric knife sharpener for around $50.

Amazon’s Consumer Ratings: 4.4 stars (236 Reviews)

Click to see product


  • Triple edge concept is efficient to make knives ultra sharp
  • Knives are able to slice tomatoes extremely thin
  • Some knives came out with better edge than the original factory edge
  • An affordable electric knife sharpener

  • Inability to sharpen close to the handle of the knife
  • Having trouble sharpening short pocket knives due to restricted access with the grinding stones

#3 Wrenwane Kitchen Knife Sharpener – 2 Stage Sharpening

Wrenwane Kitchen Knife Sharpener - 2 Stage Sharpening, BlackNot a fan of electric knife sharpeners? Then consider getting the Wrenwane 2-stage knife sharpener that would only cost you around $12. It features 2 stage sharpening modes. Stage 1 is the Tungsten Carbide coarse blade to sharpen overly blunt knife. Stage 2 is the Ceramic fine rods for touching up after running to the coarse blade, or for fairly sharp knives that just need an extra little touch up.

The Wrenwane Knife Sharpener is lightweight, compact and durable. It is also designed with safety in mind. The sharpener has a large grip handle that allows its users to hold the sharpener steady while sharpening knives. Additionally, it has a non-slip base to prevent the sharpener from sliding during the sharpening process.

Consumers find the sharpener easy to use and easy to hold. It also cuts their worries on having the correct angles when sharpening. They also find the product to be efficient in sharpening kitchen and pocket knives.

Some consumers thought that maybe they needed a new knife, but once they tuned up their knife using the Wrenwane Knife Sharpener, then they knew it was a knife sharpener that they really need.

Amazon’s Consumer Ratings: 4.5 stars (842 Reviews)

Click to see product


  • Does the job well
  • Easy to use
  • It feels sturdy and looks attractive
  • Easy to store and easy to carry
  • The most affordable knife sharpener in our list

  • Cannot be used on ceramic or serrated knives
  • The above electric knife sharpeners clearly gave better results

#4 Chef’s Choice 4643 ProntoPro 3 Stage Manual Knife Sharpener

Chef's Choice 4643 ProntoPro Angle Select Diamond Hone 3 Stage Manual Knife SharpenerThe Chef’s Choice 4643 is another manual sharpener that you should consider. It is even better than the Wrenwane 2 Stage Knife Sharpener, but more expensive.

The Chef’s Choice 4643 model offers 3 manual sharpening stages with a separate honing stage. It can be used to sharpen Asian knives, as well as European and American style knives. It can also sharpen serrated and straight edge knives; as well as kitchen and pocket knives. So if you have a large collection of different styles of knife, the Chef’s Choice 4643 Sharpener will help you maintain your collections to stay sharp.  This sharpener is also easy to use and works fast. Plus, you can rely on its soft touch handle for a more comfortable and excellent support when sharpening.

Consumers love that it includes grind angle for both European and Asian style of knives. They love that the sharpener is very effective. They also love that it is lightweight, compact, and durable. And LOVE is what most of its consumers are saying on the Chef’s Choice 4643 Knife Sharpener!

Amazon’s Consumer Ratings: 4.4 stars (212 Reviews)

Click to see product


  • Precise angle control for sharpening Asian and Western angle knives
  • Sharpens the knife to a burr-free razor’s edge
  • Works faster than using stone sharpeners
  • Stable base and easy to use
  • Easy to store and easy to carry, making it ready to use instantly

  • The price is only a few bucks away to buy the Chef’s Choice 250 Diamond electric version

#5 KING Japanese Sharpening Stone Whetstone Combination Grit 1000/6000

KING Japanese Sharpening Stone Whetstone Combination Grit 1000 6000If you still prefer the good ol stone, then the King Sharpening Stone 1000/6000 Grit could be your best knife sharpener.

The King Waterstones are known for their quality and affordability. The King Combination Sharpening Stone features two stones in one. The coarse #1000 grit (darker side) is perfect for sharpening dull blades. While the reverse #6000 grit (lighter side) polishes the edge to a reflective, almost mirror finish.

This combo King Stone is heavy and doesn’t move around when sharpening. It also comes with a plastic base for it to sit on, but isn’t really needed. The stone needs to be soaked in water for about 2-3 minutes before use.

The King Sharpening Combination Grit 1000/6000 is an excellent stone to have for everyday sharpening. And if you know what you’re doing, your knife will surely pass the paper cut test.

Amazon’s Consumer Ratings: 4.3 stars (758 Reviews)

Click to see product


  • Can last for a long time with no maintenance of changing diamond steel plates
  • Gives great results
  • Quality and Affordable
  • The size and weight of the stone helps it to be more easy and comfortable to use

  • Takes more time to sharpen compared with other types of knife sharpeners
  • Requires better sharpening skills