WhetGuide
A smiling woman at a bright kitchen counter looking down at a crusty loaf of bread cut into even slices

Edge Pro sharpener review: which kit, and who should buy something else

The Edge Pro is a water-stone system with no clamp, made in Oregon. It suits kitchen knives at low angles, and it's the wrong tool for a 30-degree camp knife.

How we pick · Updated · We earn a commission when you buy through our Amazon links.

The Edge Pro is a good buy if most of what you sharpen is kitchen knives at 15 to 21 degrees and you're happy maintaining water stones. Start with the Apex 4 kit, which Amazon sells as the "Edge Pro 4 Professional". Skip it if you sharpen thick outdoor knives at 25 to 30 degrees or hard pocket-knife steels. A Work Sharp Precision Adjust covers those for less, and a Wicked Edge does it faster. The Edge Pro works backwards from most guided sharpening systems: the knife lies loose on a table and the stone moves on a guided arm.

How we reviewed it

This is a spec review. On Oct 21, 2026, we read Edge Pro's own kit pages and FAQ, the maker's Amazon listings, and the owner reviews on Knivesandtools (63 reviews of the Apex 4, averaging 4.7 out of 5) and Chef Knives To Go. We compared all of it with the guided systems Amazon shoppers buy in volume. Ray Mercer hasn't sharpened on an Edge Pro for this page, so nothing below claims a feel or a result from our own hands. How we research.

A note on evidence. None of the four Edge Pro listings on Amazon showed a "bought in past month" figure when we checked, so we can't tell you how many people buy one. What we do have is ratings: 405 on the Apex 4 (4.6 stars), 119 on the Apex 1 (4.4), and only 3 and 1 on the new Apex Plus and BevelTech kits. For scale, the Work Sharp Precision Adjust had 11,585 ratings and about 1,000 sales a month. The Edge Pro is a niche tool with a loyal following. The most-read discussion of it is still on knife forums from 2007 to 2013, which is why so much of what you'll find online calls everything "the Apex".

How the Edge Pro works

A clamp system holds the knife and you move the stone. The Edge Pro keeps the stone on a guided arm too, but the knife isn't clamped at all. It lies flat on a blade table with its edge hanging just past the table's lip. You hold the knife with one hand and slide the stone across the edge with the other. A vertical rod with angle marks sets how high the arm's pivot sits, and that height sets the angle. To do the other side you turn the knife over on the table.

Edge Pro compared with a clamp system Left: the Edge Pro, where the knife lies on a flat table with its edge over the lip and a stone on an arm slides from a pivot on a vertical angle rod. Right: a clamp system, where the knife is clamped and the stone on a rod moves over the fixed blade. EDGE PRO (NO CLAMP) CLAMP SYSTEM hand holds knife, stone on arm clamp holds knife, flip to switch sides blade table angle rod stone clamp rod
Raising the pivot on the angle rod steepens the stone. On the Edge Pro your hand keeps the knife still; on a clamp system the clamp does.

That design has two consequences worth knowing before you buy. There's no clamp to fight with on tall chef's knives or knives that taper, and the maker's Apex 1 listing says it takes blades up to 3.5 inches wide, serrated ones included. The flip side is that the angle is only as steady as the hand holding the knife flat. The Knivesandtools owner reviews include one tip several buyers echo: get the magnetic blade-table accessory, which helps keep the knife from sliding. The Apex Plus and BevelTech kits include a magnet.

The lineup, and what Amazon calls each kit

Edge Pro sells three lines, each in kits numbered 1 to 4. The number is the stone count, not a generation. Amazon's listing titles use different names, so here's the decoder, with the model numbers taken from the listings' own spec tables:

Amazon titleEdge Pro modelFrameStones and extras (maker's list)
EDGE Pro 1 ProfessionalApex 1Classic Apex220 and 400 water stones, case
(not found on Amazon)Apex 2Classic Apex220, 400, 600 plus an 8-inch ceramic hone
(not found on Amazon)Apex 3Classic Apex120, 220, 400, 600, 1000 plus ceramic hone
Edge Pro 4 ProfessionalApex 4Classic Apex120 to 1000 stones, 2000 and 3000 polishing tapes, ceramic hone
EDGE Pro 4 PlusApex Plus Kit #4Aluminum A-Plus frame, C-clamp, magnetSame stones as Apex 4
EDGE Pro Beveltech 4BevelTech #4Tilting frame, laser-engraved angle marksSame stones as Apex 4

Two names cause confusion. The larger Edge Pro "Professional" model that forum threads mention is gone: Knivesandtools lists its Professional kit as "No longer available". And Smith's 50005 "Edge Pro Compact" is an unrelated electric sharpener with fixed slots. It has 1,127 ratings on Amazon, so it shows up in Edge Pro searches more than you'd expect.

One more thing we saw on Oct 21, 2026: the product data on edgeproinc.com marked every kit as out of stock. The Amazon listings were live. If you want a specific kit, check both before you settle on one.

The angle range, and where it runs out

Edge Pro's Amazon listings say the angle is continuously adjustable from 10 to 24 degrees per side, marked at 10, 15, 18, 21 and 24. Edge Pro's own site doesn't print a range, but its FAQ calls 21 degrees "a happy middle-ground for most knives", lower for thin blades and higher for thick ones. Here's how that compares with the systems people cross-shop:

Angle ranges of guided sharpeners, degrees per side Bars on a 5 to 35 degree scale. Edge Pro 10 to 24. Work Sharp Precision Adjust 15 to 30. SHARPAL 202H 10 to 35. Spyderco Sharpmaker fixed at 15 and 20. Dashed lines mark 15 degrees for Japanese-style knives, 20 for Western kitchen knives, 25 for hunting knives and 30 for cleavers. 51015202530 JapaneseWesternhuntingcleaver Edge ProPrecision AdjustSHARPAL 202HSharpmaker to 35
Per-side angles from each maker's Amazon listing (the Sharpmaker's 30 and 40 degree inclusive settings shown as 15 and 20 per side). The use labels are Work Sharp's own examples.

The low end is the Edge Pro's strength. Ten degrees per side is below what the Precision Adjust can do, and it's the reason one Knivesandtools reviewer picked the Apex over a KME. If you own Japanese knives sharpened at 15 or under, or you like a thin slicing edge, the Edge Pro gets you there. The top end is the weakness. A 25-degree hunting edge or a 30-degree cleaver is past the last mark. Our knife sharpening angle calculator and the angle chart by brand show which of your knives fall where.

The Edge Pro kits worth buying

Best Edge Pro kit for most people

Edge Pro Apex 4 (Amazon: Edge Pro 4 Professional)

Buy the Apex 4 over the Apex 1. The 120 stone is the one that repairs a chipped or badly rounded edge, and the 600 and 1000 stones plus the tapes are what make the edge worth the effort. With only 220 and 400 you'd be buying extra stones within a month. This is also the Edge Pro listing with by far the most owner ratings on Amazon.

The kit ships with the classic Apex frame, which sits on a smooth surface. Owners on Knivesandtools recommend adding the magnetic blade-table accessory.

  • Angle10–24° per side, marks at 10, 15, 18, 21, 24
  • Stones120, 220, 400, 600, 1000 water stones
  • Polishing2000 and 3000 tapes, 8" 1200 ceramic hone
  • Made inHood River, Oregon
  • Ratings405 (4.6)

Why it stands out

  • Full grit run from repair to polish in one box
  • Goes down to 10 degrees per side
  • Wide blades up to 3.5 inches, serrated included (per Edge Pro's listing)

Think twice if

  • Most of your knives want 25 degrees or more
  • You don't want to flatten water stones
Check price on Amazon

See the photos of everything in the Apex 4 case laid out on its Amazon listing

Best for a permanent bench

Edge Pro Apex Plus Kit #4 (Amazon: EDGE Pro 4 Plus)

Same stones as the Apex 4, on a stiffer aluminum frame. Edge Pro says the A-Plus frame drops the suction cups and legs, raises the work height and brings the sharpening platform closer to the edge of your counter. It clamps down or screws to a bench. If you sharpen for an hour at a time, you're paying for the height and the stiffness. It's new, with only three ratings when we checked.

  • Framealuminum A-Plus, C-clamp, pre-drilled holes
  • Stones120, 220, 400, 600, 1000
  • Polishing2000 and 3000 tapes (15 each), 8" ceramic hone
  • Extraslow-profile magnet
  • Ratings3

Why it stands out

  • Rigid clamped frame instead of a freestanding base
  • Magnet included

Think twice if

  • You sharpen a few knives a month, so the classic Apex frame will do
Check price on Amazon
Most adjustable Edge Pro

Edge Pro BevelTech #4

The newest Edge Pro, aimed at people who sharpen a lot. The frame tilts to set your working height, the angle marks are laser-engraved, and there's a mount for a digital angle gauge if you want a readout. Edge Pro's FAQ says its stones and most accessories move between Apex and BevelTech, so an upgrade later doesn't strand your stones. It sells for well above the Apex kits, and it had one rating when we looked.

  • Angle markslaser-engraved
  • Work heighttilting, set with a 1/4" hex key
  • Stones120, 220, 400, 600, 1000
  • Polishing2000 and 3000 tapes, 8" ceramic hone
  • Extrasmagnetized blade table, 360° pivot, digital gauge mount
  • Ratings1

Why it stands out

  • Tilting work height for long sessions
  • Digital angle gauge mount

Think twice if

  • You're new to guided sharpening; Edge Pro itself suggests starting on the Apex
Check price on Amazon
Cheapest way in

Edge Pro Apex 1 (Amazon: EDGE Pro 1)

Fine if your knives are in decent shape and you plan to buy finer stones as you go. Chef Knives To Go owners have one warning about this kit: "The factory stones wear fast", and another owner says the stones dish quickly. Budget for a flattener from day one. A 400 finish is toothy, which suits a kitchen knife that cuts tomatoes and rope more than a knife you want polished.

  • Angle10–24° per side
  • Stones220 and 400 water stones
  • Blade widthup to 3.5"
  • CaseCordura
  • Ratings119 (4.4)

Why it stands out

  • The lowest-cost Edge Pro kit
  • Upgradeable with any Edge Pro stone

Think twice if

  • You'll want the 120 for repairs and 600-plus for a fine edge, which the Apex 4 already includes
Check price on Amazon
A smiling older man at a workbench looking at a sheet of paper, a small hand tool lying on the bench
What a guided system buys you is repeatability: the same angle on the fifth knife as on the first.

What owners complain about, and the fixes

The owner reviews are mostly glowing, so the complaints are worth reading closely. They're consistent.

  • The stones dish and wear. Edge Pro stones are water stones, and on Chef Knives To Go one owner says "the stones dish quickly" and recommends flattening "right out of the gate" on a coarse diamond plate. Another says you can't sharpen more than a couple of knives before they deform. A dished stone on a guided arm changes the angle, so flatten often. Our best flattening stone guide covers the plates that do it, and how to flatten a whetstone has the pencil-grid method.
  • There's a learning curve. The same reviews mention "a considerable learning curve" and practicing on cheap knives first. Holding the knife flat and steady on the table is the skill you're learning.
  • The stock stones are slow on hard steels. One owner says they "struggle with high hardness or high wear-resistant steels". If your knives are S30V and harder, plan on diamond stones. Third-party ones are sold in the Edge Pro size: the Boride and Gritomatic stones on Amazon measure 6 x 1 x 0.25 inches on an aluminum blank and are listed as compatible with Edge Pro.
  • Scratches on the blade face. The stone runs close to the blade, and forum users warn that a slip on the coarse stone marks the flats. Painter's tape along the blade face above the bevel is the cheap fix, and the Sharpie trick shows you whether the stone is hitting the bevel or the face.

Edge Pro vs the other guided systems

SystemHolds the knifeAngle rangeAbrasivesBest for
Edge Pro Apex 4Your hand on a table10–24°Water stones, tapes, ceramicKitchen knives at low angles
Wicked Edge (sold direct)Center vise, two armsAdjustable per armDiamond, then ceramics and stropsSuper-steels, many knives
Work Sharp Precision Adjust EliteClamp, rotate to flip15–30°320 and 600 diamond, ceramic, serrated rodMixed kitchen and outdoor knives
Work Sharp Professional Precision AdjustV-block clamp, metal frame15–30°, digital readout220 to 800 diamond, ceramic, stropSerious home sharpening
SHARPAL 202HDual sliding clamps, flips10–35°220 to 1000 diamond, 3000 and 6000 stones, stropWidest angle range on Amazon
RX-008 style cloneClamp on a flipping rodSet by screw and phone app10 bare stonesTrying the idea cheaply

Against the Wicked Edge, the Edge Pro is the simpler machine. Wicked Edge clamps the knife and sharpens both sides at once with diamond stones that don't dish. That makes it faster on hard pocket-knife steels and better at keeping both sides identical. The Edge Pro is quicker to set up for one knife and has no clamp to slip on a tall chef's knife. Wicked Edge's stationary systems aren't sold on Amazon.

Against the Work Sharp Precision Adjust, it's mostly about angle and money. The Precision Adjust covers 15 to 30 degrees, so it handles the hunting knife and the hatchet the Edge Pro can't. It also costs much less than an Apex 4 and has thousands more owners on Amazon. The Edge Pro wins below 15 degrees and on wide kitchen blades, and its stone lineup runs finer.

Buy this instead for mixed knives

Work Sharp Precision Adjust Elite

If your drawer holds a chef's knife, a pocket knife and a hunting knife, this covers all three angles, which the Edge Pro doesn't. It sold about 2,000 a month on Amazon when we checked. Our best knife sharpening systems roundup has the rest of the field.

  • Angle15–30°
  • Abrasives320 and 600 diamond, ceramic rod, serrated rod, tri-brasive for curves
  • Holds knifeclamp
  • Ratings6,467

Why it stands out

  • Reaches 25 and 30 degrees for outdoor knives and cleavers
  • Diamond plates never need flattening

Think twice if

  • Your Japanese knives want less than 15 degrees per side
Check price on Amazon
Widest range for the money

SHARPAL 202H Precision Knife Sharpening System

The one Amazon system that covers both of the Edge Pro's gaps: it goes down to 10 like the Edge Pro and up to 35. SHARPAL's listing says its angle setting fixes the distance from edge to clamp, so the angle doesn't drift with blade width, a common clamp-system error. It sold about 700 a month when we checked.

  • Angle10–35°
  • Abrasives220, 325, 600, 1000 diamond; 3000 and 6000 whetstone plates; leather strop
  • Clampsdual sliding, flip design
  • Ratings582

Why it stands out

  • 10 to 35 degrees in one tool
  • Diamond for hard steel, stones for polish

Think twice if

  • You'd rather not clamp tall kitchen knives
Check price on Amazon
Clone to know about

RX-008 style fixed-angle sharpener (Ruixin pattern)

These clamp-and-flip sharpeners are sold under many brand names, and the listing even calls this one an "Edge Sharpener Pro". It's a different design from the Edge Pro (the knife is clamped and flips over), and its own listing is candid about the limits: flipping the blade to the other side has "a deviation of +/- 2°", and you set the angle with a phone measuring app. Two degrees side to side is enough to put the edge off-center. It's fine for learning whether you like guided sharpening. The 4.0-star average across 4,560 ratings is the lowest here.

  • Stones10 included (120 to 3000 per listing)
  • Flip deviation±2° (listing)
  • Angle setscrew on a vertical rod, phone measuring app
  • ClampG-clamp to table
  • Ratings4,560 (4.0)

Why it stands out

  • Ten stones for a low price
  • Lets you try the guided idea without much risk

Think twice if

  • You want the same angle on both sides every time
Check price on Amazon

Buy the Edge Pro, or something else?

If this is youOur call
Kitchen knives, many of them Japanese at 15° or lessEdge Pro Apex 4: down to 10° with no clamp.
Wide chef's knives and cleavers you hate clampingEdge Pro, up to the 24° limit.
Pocket knives in S30V or harder steelWicked Edge, or diamond stones for the Edge Pro.
Hunting knives and hatchets at 25–30°Precision Adjust or SHARPAL 202H.
You sharpen for a living or for friendsApex Plus or BevelTech for the clamped frame and work height.
You want sharp knives with the least fussNone of these. See our sharpening system picks or a service.

Our pick

For a kitchen-first sharpener who likes water stones, the Edge Pro Apex 4 is the kit to get. It has the stones you'll actually use, the low angles the clamp systems can't reach, and no clamp on wide blades. Add a flattener the same day. If your knives are a mix of kitchen and outdoor blades, the Work Sharp Precision Adjust Elite covers more of them for less. For a simpler fixed-angle tool, the Spyderco Sharpmaker and the Lansky kits are the other usual starting points.

Sources: Edge Pro, sharpening kits and FAQ, Apex kits, BevelTech kits and Apex Plus Kit #4; owner reviews at Knivesandtools and Chef Knives To Go; Knivesandtools Professional kit page. All checked Oct 21, 2026. Product details, ratings and sales from Amazon listings the same day. How we research · Affiliate disclosure

Questions people ask

Is the Edge Pro sharpener worth it?
It's worth it if you sharpen mostly kitchen knives at 15 to 21 degrees, like water stones, and want to hold the knife yourself without a clamp. It's not worth it for thick outdoor knives you sharpen at 25 to 30 degrees, since the maker's listings top out at 24. Most home cooks get similar results for less with a Work Sharp Precision Adjust.
What is the difference between the Edge Pro Apex and the Edge Pro 4 on Amazon?
They're the same system. The Amazon listing called 'Edge Pro 4 Professional' gives Apex 4 as its model number, and 'EDGE Pro 1' gives Apex 1. The number is the kit size: Apex 1 has two stones, Apex 4 has five stones plus polishing tapes and a ceramic hone.
What angle range does the Edge Pro have?
Edge Pro's Amazon listings say the angle is continuously adjustable from 10 to 24 degrees per side, with marks at 10, 15, 18, 21 and 24. Edge Pro's own FAQ suggests 21 degrees as a general starting point for most knives.
Edge Pro vs Wicked Edge: which is better?
Wicked Edge clamps the knife and sharpens both sides with two arms of diamond stones, so it's faster on hard steels and needs no stone flattening. The Edge Pro has no clamp, uses water stones, handles wide kitchen knives up to 3.5 inches and is easier to set up for one knife. Pick Wicked Edge for super-steel pocket knives, Edge Pro for a kitchen drawer.
Do Edge Pro stones need flattening?
Yes. They're water stones, and owners on Chef Knives To Go's Apex 1 page say the factory stones dish quickly. One owner flattens on a coarse diamond plate. Flatten them the same way as a bench stone, with the pencil-grid check.
Is the Smith's Edge Pro the same thing?
No. Smith's 50005 Edge Pro Compact is a small electric sharpener with preset slots. It shares the name only. If a search for 'Edge Pro sharpener' shows a yellow and gray electric unit, that's the Smith's.