| What it costs |
$379, one price wherever you buy it |
About $260 to $336, depending on the seller |
Varies by model and by seller |
| Tension readout |
Digital display on the device, kg or lb |
None. Springs and rod length, no figure shown |
None. Springs and rod length, no figure shown |
| Published tension range |
Up to 22 lb, so headroom you will not run out of |
600g to 1,500g, about 1.3 to 3.3 lb |
600g to 1,500g, about 1.3 to 3.3 lb |
| Changing the tension |
Turn the rods and watch the number |
Extend the rods against the internal springs |
Extend the rods against the internal springs |
| App |
Logs tension and time from the device over Bluetooth |
Ninguno |
Ninguno |
| Session time |
On the display, and logged in the app |
Not shown. You count the hours yourself |
Not shown. You count the hours yourself |
| How it holds you |
Vacuum cup, five sizes, seats and clips in |
Silicone band over a tube, with a base ring |
Silicone band over a tube, with a base ring |
| Hours a day it asks for |
1 to 4 hours, your call |
Sellers quote 4 to 8 hours, with breaks |
Sellers quote 4 to 8 hours, with breaks |
| What is in the box |
Five cups, four sleeves, tape, pump handle, straps |
20 rods, 4 tubes, 4 bands, 2 rings, booklet, travel bag |
Similar kit, counts vary by configuration |
| Being shown how to train |
Guided plans, full video course, support and Discord |
A printed instructions booklet |
A printed instructions booklet |
| Sending it back |
180-day money back guarantee, wherever you bought it |
Whatever the shop you bought it from offers |
Whatever the shop you bought it from offers |