Spec
Yes4All Spiky Massage Ball Set
Rawlogy Cork Massage Ball
Price
$12
$14
Rating
4.5 ★
4.6 ★
Diameter
2.9 in
2.4 in
Firmness
6/10
7/10
Vibration
None
None
Battery
N/A
N/A
Weight
4.2 oz
1.6 oz
+2-pack under $15
+Spikes stimulate circulation
–Spikes too much for some
–Softer core
+1.6oz — lightest here
+Eco-friendly cork
–Cork wears over years
–Small contact surface