The coffee grinder has received mixed reviews. Many customers are satisfied with its performance, describing it as easy to use and producing fresh, flavorful coffee. However, some have experienced issues with the grinder's ability to achieve a fine enough grind for espresso machines, even on the finest setting. A few also report the grinder being messy, with coffee grounds getting stuck and spraying out. Overall, the grinder seems suitable for French press and drip coffee, but may not be ideal for espresso.