The best knife sharpeners: Ultra-sharp tools for little money

A dull knife can take the fun out of cooking. A good, sharp tool is therefore important. A knife sharpener is a practical purchase to ensure that knives do not produce tomato pulp instead of finely filleted tomato slices even after years of use.

So that you don’t completely lose track of the sometimes confusing selection of mechanical sharpeners and sharpening rods in a wide variety of materials, our partner AllesBeste knife sharpeners have tested between six and 100 euros. But the test winner shows that you don’t have to dig deep into your pocket for a top product. More on that in the next section.

The best knife sharpeners at a glance

In the table below you can see the best knife sharpeners in the test. You can find a lot more information about the products as well as general information and tips in our comprehensive purchase advice.

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Test winner for 30 euros: knife sharpener in the price-performance check

The test winner proves that a good knife sharpener does not have to be expensive: The DMT Diamant Simple Sharp costs around 30 euros and is therefore in the lower price segment. For the price you get a consistently convincing knife sharpener that is secure, non-slip and easy to use. With this device you can sharpen all knives with straight. A plus point of this knife sharpener are the high-quality diamond whetstones. After the simple sharpening process, the knives in the test are very sharp again.

In general, the price range for knife sharpeners is quite large: everything is between seven and 100 euros. And of course there are also very good professional devices, such as the Vulkanus Professional for around 90 euros. However, the following products show that the price is not always decisive: The PiniceCore Swifty Sharp for around 13 euros comes second to last in the ranking. But even one of the most expensive knife sharpeners in the test, the Kai APW17 for around 100 euros, is not really convincing.