I have used and currently own a regular cane, a quad cane and a walker, all acquired after the brain tumor, the stroke and subsequent broken hip. (It was a bad 4 years). In my opinion, the big advantage of a quad cane is not its stability, but rather, it doesn’t tip over as much and be as hard to pick up as a regular cane. Its big advantage over the walker is its ability to get around in tight spaces. Because my biggest priority is not to fall again (don’t want to break the other hip or hit my head because of the blood thinner I’m taking), I generally use my walker just because it feels so much more stable than any cane.