Spec
Chirp RPM Massage Ball
Yes4All Spiky Massage Ball Set
Price
$60
$12
Rating
4.5 ★
4.5 ★
Diameter
3 in
2.9 in
Firmness
8/10
6/10
Vibration
4 speeds
None
Battery
3 hrs
N/A
Weight
14 oz
4.2 oz
+4 speeds at $60
+3-hour battery
–Louder vibration motor
–Newer product, fewer reviews
+2-pack under $15
+Spikes stimulate circulation
–Spikes too much for some
–Softer core