Both perlite and pumice are great for succulents. However, pumice may a better option only if they are meant for taller plants. Pumice weight will provide an anchor that will prevent your pot or container from being overturned or capsized. Pumice is also durable and heavier material than perlite.
However, pumice may be difficult to purchase and they are higher in price than perlite.
Succulents require adequate drainage; this is where perlite and pumice come in. Both perlite and pumice are soil amendments for succulents mixed with potting soil to enhance soil aeration and excellent water drainage.