If the D-handle is the problem
This is the most common reason people look elsewhere, and it is a real fit issue rather than a preference to be talked out of. A D-shaped handle is contoured with a spine ridge on one side, which is comfortable when it matches your hand and intrusive when it does not — and the standard version is shaped for right-handed use. Shun does sell a left-handed Classic separately, in fewer sizes.
Two routes out. The Miyabi Kaizen II keeps a D-handle but builds it rounder and fuller in birch pakkawood, which suits larger hands and a looser grip. Or move to a symmetrical Western handle entirely: the Enso HD (canvas micarta, grippy wet), the Tojiro DP (composite eco-wood) and the MAC Chef Series(pakkawood, Western) all work identically in either hand. The Enso comes with a caveat worth stating: the HD line’s closest thing to a chef’s knife is a 180 mm bunka, so it is an alternative only if you are open to a shorter blade with a reverse-tanto tip — bunka vs santoku explains what that shape does. If you are left-handed this is the whole decision — left-handed Japanese knives covers what each maker offers.
If the price is the problem
Then be clear about which part of the price you are trying to avoid, because the Damascus cladding and the core steel are separable. A Tojiro DP puts a VG10 core at ~60 HRC in a plain three-layer stainless jacket: the same class of hard core, none of the pattern, and the plainest-looking knife on this page. If what you liked about the Shun was how it cuts, that is the alternative; if what you liked was how it looks, it is not.
Below that, the Mitsumoto Sakarigives you a hammered San-Mai blade with a named steel for a fraction of either — and we would rather say plainly what it is not: no published hardness figure, a three-layer build rather than a clad Damascus billet, and finish that varies unit to unit. It is a good first Japanese-profile knife and a poor substitute for a Shun. The full budget field is on best Japanese knives under $100.
If you want a thinner knife
Shun grinds thin, and MACgrinds thinner — that is the brand’s entire reputation, and on a dense carrot or a waxy potato it is the difference you feel first. The Chef Series hollow-edge 8-inch runs MAC’s molybdenum-vanadium steel at ~59–61 HRC with dimples that help wet slices let go, at less than the Classic costs. What you give up is disclosure: MAC publishes no Rockwell figure on its own site, and the edge angle and stock thickness come from its listings rather than a spec page. The direct comparison is on MAC vs Shun, which is the page to read if this is your reason.
If you want a published hardness figure
Shun’s 60–61 HRC comes from its FAQ for the VG-MAX line rather than from the product page for a specific model, which is a mild disclosure gap rather than a flaw — but if you want the number printed against the knife you are buying, two makers here do it. Enso states 61 HRC for the HD line outright, with 37 hammered Damascus layers and Seki manufacture. Miyabipublishes both a hardness and an edge angle for the Kaizen II through ZWILLING’s own product pages.
That is also the honest ranking of this page: on published figures Enso and Miyabi are ahead, on cutting feel MAC is ahead, on price-to-steel Tojiro is ahead — and on the complete package of finish, service and availability, Shun is still Shun. Nothing here is a knife we think is better in every respect; they are knives that are better at one named thing.
What to keep in mind whichever you choose
Every knife on this page is a hard-steel Japanese blade, which means the same three rules apply as to the Shun you are replacing: no bones, no frozen food and no twisting, because a 60 HRC edge chips where a German one would roll; no dishwasher; and no grooved steel rod — use a fine ceramic rod between sessions and a stone when it genuinely dulls. The stones are on best sharpeners for Japanese knives.
And one service difference worth pricing in: Shun’s free lifetime sharpening is a genuine ongoing benefit that none of these alternatives matches, and it is conditional on an authorized dealer. If you sharpen your own knives it is worth nothing to you. If you never will, it may be worth more than the price difference — which is a perfectly good reason to buy the Shun after all, and the ranked Shun line is on best Shun knives.