Nugget ice needs its own machine. Crushed ice usually doesn't.

Regular cubes come from a standard ice maker, nugget ice needs a specialty machine, and crushed ice is usually just cubed ice run through a crusher.

That’s the core of it. A normal fridge or countertop ice maker freezes water in molds and drops solid, hard cubes. If it offers crushed ice, it’s the same cube maker with a little auger or blade that smashes the cubes before they land in your cup. No separate machine required.

Nugget ice — the soft, chewy, Sonic-style pellets — is different. Those little nuggets are made by shaving or compressing ice into layers, so it has a totally different texture and absorbs syrup better. You can’t fake that with a cube maker. You need either a commercial nugget machine or a countertop unit like the Opal. They’re pricier, take up more space, and have more parts to clean.

One more thing: there’s also flake ice, which is soft and snow-like, used mostly for grocery displays and medical purposes. That’s a third machine type, but most people asking about crushed ice don’t mean flake.

So if you just want crushed ice for cocktails, get a fridge with a crusher. If you want nugget ice, budget for the real thing.