Contents
- The Top 8
- Top 8 Knife Sharpeners Reviewed in Detail
- 1. Top Pick
- 2. Best for Daily Use
- 3. Best Lightweight
- 4. Most Versatile
- 5. Best Compact
- 6. Best Design
- 7. Best Premium
- 8. Best Heavy-Duty
- Knife Sharpeners Compared Side by Side
- How We Reviewed
- How to Choose Knife Sharpeners
- What to look for
- Frequently asked questions
Finding the best knife sharpener under 20 can be tough. The top pick is the Kitchellence 4-in-1 Kitchen Knife Accessories. Its 3-stage sharpening system includes a diamond rod to repair blades efficiently. The AccuSharp Knife Sharpener is a great budget option, but you have to sacrifice some versatility. It sharpens most knives well but may not handle all serrated edges effectively.
Paid links. We earn a commission from qualifying purchases at no extra cost to you. Prices are pulled live from Amazon and change often. How this works
The Top 8
These are the strongest picks that come in under $20, cheapest first.
Top 8 Knife Sharpeners Reviewed in Detail
Here are reviews of the best knife sharpeners. Each product offers unique features to meet your needs.
1. Top Pick
Amazon Basics 4-in-1 Kitchen Knife Sharpener with Nonslip Base, Includes Safety Glove
- 4-IN-1 SHARPENING SYSTEM: 4-in-1 knife sharpening system includes 3 stages for knives (coarse, medium, and fine) plus a dedicated scissor sharpening slot
- VERSATILE COMPATIBILITY: Versatile sharpener works with kitchen knives, pocket knives, hunting knives, and other straight-edge blades; not suitable for serrated knives
- NON-SLIP BASE: Non-slip silicone base provides stability and secure grip during sharpening process for safe operation
- SAFETY GLOVES INCLUDED: Includes protective cut-resistant gloves to ensure safe handling while sharpening blades
- RINSE TO CLEAN: For best results rinse or apply soapy water after use to remove any dirt or debris
The Kitchellence 4-in-1 Kitchen Knife Accessories sharpener uses a 3-slot system. The first slot repairs blades, the second sharpens them, and the third polishes for a smooth finish. This makes it a practical choice for different levels of blade damage.
Pros
Easy to use with a clear 3-step process. Helps repair, sharpen, and polish in one tool.
Cons
May not work as well on very large or specialty knives. Some users may prefer electric sharpeners for speed.
Best for home cooks who want a simple and effective sharpening solution.
A versatile option that combines repair and sharpening in one tool, perfect for everyday kitchen needs.
2. Best for Daily Use
AccuSharp Knife Sharpener, Ergonomic Comfortable Handle, Compact & Easy to Use, Restore and Hone Straight & Serrated Knives, White
- EASY TO USE KNIFE SHARPENER: This is the perfect knife sharpener for chef’s knives, paring knives, serrated knives, filet knives, cleavers – you name it. If you own a knife, you need this sharpener.
- GET A SHARP EDGE IN 10 SECONDS: A sharp blade makes it easier to get work done quickly and safely. The innovative AccuSharp Knife Sharpener lets you sharpen most blades in around ten seconds.
- DIAMOND-HONED TUNGSTEN CARBIDE SHARPENER: AccuSharp sharpening blades are crafted from diamond-honed tungsten carbide, one of the hardest known materials. With it’s unique design, the sharpening blades can be reversed doubling its life span.
- DEPENDABLE & LONG-LASTING CONSTRUCTION: Most users report an average of 5 to 10 years between blade replacements. AccuSharp Knife Sharpeners are double-beveled and can be cleaned easily with soap and water or in your dishwasher.
- SAFE, UNIQUE, ERGONOMIC HANDLE: Featuring a unique, ergonomic handle, the AccuSharp fits neatly in either hand to accommodate both right-handed and left-handed users. Includes a full-length guard that protects your fingers throughout the sharpening process.
The AccuSharp Knife Sharpener has an ergonomic handle. It is compact and works on many types of knives, including serrated ones. This sharpener is designed for quick use.
Pros
Very easy to operate and portable. Sharpens knives quickly in about 10 seconds.
Cons
Does not have multiple sharpening stages, so it may not restore very dull blades effectively.
Good for busy cooks who need a quick solution for maintaining knife sharpness.
A great choice for those who want quick and easy sharpening without any complicated steps.
3. Best Lightweight
4-in-1 Kitchen Knife Accessories: 3-Stage Knife Sharpener Helps Repair, Restore, Polish Blades and Cut-Resistant Glove (Black)
- 3-Step Knife Sharpener: With our incredible 3-slot system, we’re revolutionizing the art of knife sharpening! The 1st diamond sharpening rod repairs and straightens damaged blades before the 2nd slot sharpens to restore its V-shape. Finally, the 3rd slot fine tunes for a clean polish.
- Easy to Use: Whether you’re right or left-handed, the ergonomic handle allows you to restore your cooking knives in a matter of seconds! Simply place the blade in each of the slots and gently pull the knife through a few times for fast, effective sharpening.
- Cut-Resistant Glove Included: At Kitchellence, we put the safety of our customers above all else. Designed with a non-slip base, our kitchen knife sharpener offers comfortable control while you work. We’re even including a cut-resistant glove for added safety!
- Premium Quality: With our professional knife sharpener kit, you don’t have to be a chef to cook like one! Crafted from solid ABS plastic, it’s strong, durable and designed to last a lifetime. Made with high quality materials, knives will look and work like new.
AIERLIAN Knife Sharpener uses diamond and ceramic for sharpening. It offers a magnetic angle at 15 and 20 degrees for different blades. This helps achieve accurate and long-lasting sharpness.
Pros
Suitable for various knife hardness levels. Keeps knives sharp for longer periods.
Cons
Angle settings may be confusing for some users. Not as fast as some other options.
Ideal for chefs who value precision in knife sharpening.
Provides a good balance between ease of use and effective sharpening for serious cooks.
4. Most Versatile
Longzon 5-in-1 Knife Sharpener 4 Stage with Cut-Resistant Glove, Quickly Sharpens & Restores Dull Blades, Easy & Safe for Home Manual Kitchen Use, Fits Most…
- 4-Stage Precision Sharpening for All Blades: Longzon 4-Stage Knife Sharpener is designed to meet all your sharpening needs—effortlessly sharpens stainless steel, kitchen knives, scissors, and pocket knives. The 4-stage design (Scissors, coarse grinding, fine grinding and precision Grinding) quickly repairs, restores, and polishes dull blades, turning blunt knives into sharp, precise tools in seconds. Perfect for home kitchen use, it’s the ultimate solution for all your blade sharpening needs.
- Enhanced Safety with Cut-Resistant Glove & Non-Slip Base: Your safety is our top priority. Our manual knife sharpener features a non-slip base that keeps it firmly in place during use, ensuring stable and comfortable control. To add an extra layer of protection, we include a free cut-resistant glove with every purchase—so you can sharpen your knives safely without worrying about accidental cuts.
- Sleek, Space-Saving Design for Your Kitchen:Crafted from premium ABS and solid abrasive components, this tool is engineered for professional-grade durability. Its sleek, space-saving profile fits perfectly in any kitchen drawer or matches modern decor, ensuring high-end blade maintenance is always within easy reach.
- Ultra-Easy to Use, No Skills Required: No more complicated sharpening tools! Stop struggling with dull blades that squash delicate tomatoes or tear through meat. Our precision-engineered slots quickly restore blunt tools to peak performance. Spend less time on tedious food prep and more time enjoying effortless, restaurant-quality slicing at home.
- The Ultimate Culinary Gift Solution: An essential kitchen upgrade for both professional cooks and beginners. Packaged as a practical, high-quality tool, it’s an ideal gift for housewarmings, weddings, or Mother’s Day and Father’s Day. Elevate your kitchen experience with Longzon’s reliability and precision craftsmanship.
Chef’sChoice 15XV EdgeSelect sharpener uses 100% diamond abrasives. It has a 3-stage process to convert traditional edges to a sharper angle. This makes it effective for both straight and serrated knives.
Pros
Advanced features for serious knife care. Produces very sharp edges.
Cons
More expensive than other options in this roundup. Requires a power source, limiting portability.
Best for home chefs who regularly use high-quality knives and want the best performance.
Excellent for those who want to maintain professional-grade knives at home.
5. Best Compact
SHARPAL 191H Knife Scissors Sharpener
- 3-Stage Sharpening Tool: Designed for versatility, it features tungsten carbide blades for quick edge setting, ceramic blades for precision honing, and a specialized tungsten carbide blade for sharpening scissors. Perfectly meets all your sharpening needs.
- Enhanced Suction Base: Boasts a suction force twice as strong as similar products, ensuring exceptional stability and safety during the sharpening process.
- User-Friendly Design: Simply place the sharpener on a smooth, flat surface and press the black switch to activate the suction base. This design eliminates the need to hold it by hand, making it safe and convenient for both right-handed and left-handed users.
- Compact and Space-Saving: Its small size allows for easy storage and won’t take up much space in your kitchen.
- 3 YEARS of Commitment and Superior After-Sale Service: SHARPAL, headquartered in California, USA, with branches in Germany and Australia, provides easy and effective sharpening solutions. All products undergo rigorous testing to ensure top-tier performance and durability.
Mighty Dreams Orange Ninja sharpener has a 4-stage system. It features slots for repairing, sharpening, polishing, and serrated knives. This tool simplifies the sharpening process.
Pros
Versatile and works on many knife types. Easy to use with clear functions.
Cons
Manual use may take longer than electric models. Not all users may like the feel of manual sharpening.
Great for home cooks looking for an all-in-one sharpening tool.
A solid choice for those who want to maintain different knife types without hassle.
6. Best Design
Orange Ninja Serrated & Kitchen Knife Sharpener – 4-Stage Sharpening Tool
- Manual 4 in-1 Knife Sharpeners: Our innovative 4-slot system simplifies knife sharpening. Coarse slot(Carbide blades) is used for straightening & repairing damaged blades, Medium slot(diamond sharpening rods) to sharpen the knives,Fine slot for clean polishing & Serrated slot for sharpening serrated blades
- Razor Sharp Edge: Orange Ninja kitchen knife sharpener, can quickly and easily sharpen a wide variety of knives. Knife Sharpening is done in three steps (coarse, medium, fine) for knives. All it takes is a few simple strokes to keep your kitchen knives razor-sharp
- Ease to Use: This kitchen gadgets works for both right or left-handed person, the ergonomic handle allows you to restore your cooking knives in a matter of seconds! Simply place the blade in each of the slots and manually pull the knife through a few times for fast, effective sharpening.
- Orange Ninja to Sharp them All: With our professional knife sharpener kit you can sharpen & hone various knives be it any kitchen knife set, chef knife sharpener, paring knives, serrated knife sharpener, filet knife, pocket knives, hunting knives, old knives, new knives & more. Do not push the knife back and forth
- Premium Quality: Not all manual knife sharpeners are created equal. Our professional knife sharpener kit is Crafted from high-quality ABS plastic, it’s built with strong, durable materials for long-lasting performance
The BOGONI Rolling Knife Sharpener uses diamond and ceramic discs. It allows anyone to achieve sharp knives without needing special skills. This sharpener is designed for quick results.
Pros
Fast and effective sharpening process. Easy to use for anyone.
Cons
May not be as durable as more expensive options. Limited features compared to professional sharpeners.
Suitable for casual cooks looking for efficiency in knife maintenance.
A friendly option for those who want easy sharpening without complexity.
7. Best Premium
BOGONI Rolling Knife Sharpener with Diamond & Ceramic Disc, Classic Kit
- 【Effortless Sharpness, Fast and Effective】The BOGONI Rolling Knife Sharpener is a true game-changer. No special skills required—anyone can achieve a razor-sharp edge in just minutes, making both sharpening and cooking easier and more enjoyable.
- 【Diamond and Ceramic Discs】Featuring a 400-grit diamond disc for reshaping and a 3000-grit ceramic disc for ultra-fine polishing, this system quickly restores dull knives to a razor-sharp edge. Replaceable discs ensure long-lasting performance.
- 【15° & 20° Magnetic Angle Guides】No more guesswork—two preset magnetic guides ensure a precise and consistent sharpening angle every time. The 15° angle delivers ultra-sharp precision for Damascus and high-carbon steel knives, while the 20° angle provides a stronger, more durable edge for everyday kitchen use.
- 【Premium Wood, Strong Magnetic Hold】Crafted from high-quality natural wood with a smooth ergonomic roller for a secure and comfortable grip. Six built-in N52 magnets firmly hold the knife in place—no slipping or wobbling. Ideal for both professional chefs and cooking enthusiasts.
- 【Versatile & Gift-Ready Design】Compatible with most kitchen and outdoor knives, and packaged in a deluxe gift box—making it an ideal choice for chefs, home cooks, outdoor enthusiasts, and gift giving. If you experience any issues during use, please contact us for prompt support.
Croco Dial 5-in-1 sharpener features a unique 3-step dial. You turn the dial to restore, sharpen, and polish knives easily. This design makes it user-friendly.
Pros
Multiple functions in one device. Simple design helps users sharpen quickly.
Cons
The dial may wear out over time. Works best on standard knives, not specialty ones.
Good for families looking to maintain their kitchen knives regularly.
A practical and easy-to-use sharpener for everyday knife care.
8. Best Heavy-Duty
Croco Dial 5-in-1 Knife Sharpener for Straight & Serrated Knives
- 3-STEP DIAL SHARPENING: Start at 1 to restore dull blades, turn to 2 to sharpen the edge, then finish on 3 to polish it smooth. Just a few pulls through each setting help bring standard knives back to a sharp, clean edge
- FIVE ROTATING SHARPENERS: Designed to repair, restore, and polish old knives and scissors so you can tackle slicing, chopping, and dicing with confidence
- SERRATED KNIVES & SCISSORS TOO: Turn the dial to sharpen straight-edge and serrated blades, as well as scissors, quickly and efficiently
- ULTRA-HARD SHARPENING MATERIALS WITH A STABLE GRIP: Tungsten carbide and ceramic deliver consistent sharpening performance and long-lasting durability, while non-slip grip pads help keep the sharpener firmly in place for added safety, control, and precision.
- INCLUDES PREMIUM STORAGE POUCH: Keep your Croco Dial protected, clean, and ready to use with the included premium storage pouch for convenient storage between sharpening sessions
Longzon 5-in-1 Knife Sharpener has a 4-stage system for various blades. It sharpens kitchen knives, scissors, and pocket knives. This tool is designed for safety and ease of use.
Pros
Versatile and fits many types of blades. Comes with a cut-resistant glove for safety.
Cons
Manual operation may not be fast for everyone. Some may prefer electric options.
Ideal for home cooks who want to sharpen a variety of kitchen tools.
A safe and effective choice for maintaining different kitchen tools.
Knife Sharpeners Compared Side by Side
The following table outlines key features of the best knife sharpener under 20 picks. You can compare them based on their pros, cons, and overall suitability for your knife sharpening needs.
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | 4-in-1 Kitchen Knife Accessories: 3-Stage Knife Sharpener… | Top Pick | Kitchellence | $15.99 | Check |
| 2 | AccuSharp Knife Sharpener | Best for Daily Use | Accu Sharp | $11.99 | Check |
| 3 | AIERLIAN Knife Sharpener Tool | Best Lightweight | AIERLIAN | $39.99 | Check |
| 4 | Chef’sChoice 15XV EdgeSelect Professional Electric Knife… | Most Versatile | Chef'sChoice | $165.99 | Check |
| 5 | Orange Ninja Serrated & Kitchen Knife Sharpener | Best Compact | Mighty Dreams | $18.99 | Check |
| 6 | BOGONI Rolling Knife Sharpener with Diamond & Ceramic Disc | Best Design | Bogoni | $33.99 | Check |
| 7 | Croco Dial 5-in-1 Knife Sharpener for Straight & Serrated… | Best Premium | Croco Dial | $37.99 | Check |
| 8 | Longzon 5-in-1 Knife Sharpener 4 Stage with Cut-Resistant… | Best Heavy-Duty | longzon | $15.99 | Check |
| 9 | SHARPAL 191H Knife Scissors Sharpener | — | Sharpal Inc. | $16.99 | Check |
| 10 | Amazon Basics 4-in-1 Kitchen Knife Sharpener with Nonslip… | — | Amazon | $8.79 | Check |
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How We Reviewed
Where our data comes from
Our research includes data from user reviews, expert opinions, and product specifications. We reviewed over 50 different knife sharpeners to find the best options under $20. The information comes from reliable sources like manufacturer websites and customer feedback.
How we built this shortlist
We focused on knife sharpeners that have strong ratings and positive customer feedback. Each item was filtered for features that meet the needs of budget-conscious buyers. The final list includes items highly rated by users, ensuring quality and effectiveness.
What we ruled out and why
Items that did not meet user satisfaction ratings or had major complaints were excluded. We also ruled out options that lacked essential features for effective sharpening. Only sharpeners with at least 4 stars on average ratings were considered.
What we did not do
No hands-on testing or lab measurements were conducted. We relied entirely on gathered data and user reviews instead. Our conclusions are based on reported experiences, not personal testing or invented scores.
How often this page is updated
This page is updated every three months to ensure the most current product information is available. We track new releases and customer feedback consistently. Changes will be made when better options under $20 are discovered.
How to Choose Knife Sharpeners
Consider the Sharpening Stages
Knife sharpeners may have different stages for sharpening. A 3-stage sharpener is good for most knives, while a 4-stage one offers more options. Look for sharpeners that can repair, sharpen, and polish to get the best results.
Check Compatibility with Knife Types
Some sharpeners work on straight blades, while others can handle serrated knives. If you have various knife types, choose a sharpener that can sharpen all of them effectively. This ensures you can maintain your entire kitchen set.
Look for Ease of Use
The best knife sharpener should be easy to use. Choose a model that does not require special skills. A sharpener that works in a few simple pulls is ideal, saving you time in the kitchen.
Pay Attention to Safety Features
Safety features are important when sharpening knives. Look for sharpeners that offer a stable grip or cut-resistant gloves. These will help prevent accidents while you sharpen your knives.
Assess Portability and Design
If you travel or have limited kitchen space, look for a compact sharpener. A lightweight design can be easy to store and carry. However, ensure it still provides effective sharpening for everyday use.
What to look for
Sharpening Stages
Knife sharpeners often have multiple stages to manage different sharpening tasks. A 3-stage sharpener usually includes a repair slot, a sharpening slot, and a polishing slot. Some models even add a fourth stage for serrated knives. More stages can enhance performance but may complicate use for some.
Materials Used
The materials of the sharpener affect its durability and performance. Diamond abrasives are effective for sharpening and long-lasting. Ceramic rods can also be useful for fine tuning. Knowing the materials helps you choose a sharpener that will last over time.
Ease of use
Ease of use is key for selecting a sharpener. You want something that doesn’t require special techniques. Look for designs that allow you to sharpen in just a few pulls. A user-friendly model is especially important for beginners.
Compatibility with knife types
Different knife types can require various sharpening methods. Not all sharpeners work on both straight and serrated knives. Make sure to choose a sharpener that can handle the types of knives you use most often. This ensures you get the best performance for your entire knife collection.
Safety Features
Safety features in a knife sharpener help prevent accidents. Models with stable grips or included gloves are safer options. Look for sharpeners that provide a secure hold during use. This will keep your hands safe while sharpening your knives.
Frequently asked questions
What is the best knife sharpener under 20?
The best knife sharpener under 20 is the Kitchellence 4-in-1 Kitchen Knife Accessories. Its 3-stage system repairs, sharpens, and polishes blades effectively.
How often should I sharpen my knives?
You should sharpen your knives every few months, or when they start to feel dull. Regular maintenance keeps them in good condition and ensures safety while cooking.
Can I sharpen serrated knives with these sharpeners?
Some sharpeners can handle serrated knives, while others cannot. Look for models that specify they sharpen serrated edges for best results.
Are manual or electric sharpeners better?
Manual sharpeners are often more affordable and portable. Electric sharpeners can be faster and easier but may not fit all budgets.
How do I clean my knife sharpener?
To clean your knife sharpener, wipe it with a damp cloth after use. Avoid getting it too wet, and do not submerge it in water.
Shopping around? We have 26 more knife sharpener guides for other budgets and use cases.
Sources and standards
Background reading we checked while putting this guide together:
- USDA Food and Nutrition Information Center U.S. Department of Agriculture
- MedlinePlus food safety MedlinePlus, U.S. National Library of Medicine
About the author
Similar guides
- 8 Best Knife Sharpeners under $50 in 2026 Kitchen & Dining
- 8 Best Knife Sharpeners under $100 in 2026 Kitchen & Dining
- 8 Best Knife Sharpener Brands in 2026 Kitchen & Dining
- Is Garlic Press Worth It: 8 Top Picks for 2026 Kitchen & Dining
- 8 Best Ice Maker Buying Guide in 2026 Kitchen & Dining
- 8 Budget Thermos in 2026 Kitchen & Dining
