Is a multi-cooker that slow cooks as good as a dedicated slow cooker?

The reviewers we read are split. High-trust testing praised some multi-cookers like the Cuisinart Cook Central for searing and braising in one pot, but r/slowcooking and r/Cooking threads flag that multi-cookers such as the Ninja PossibleCooker can take longer to slow cook low and may not match a simple crock pot's low-and-slow results.