Here is another compact gym that gives you a challenging workout. The Ninja Play G9.6 Gravity Gym is a functional trainer tool that supports over 50 training variations. It has a gravity load platform with 20 to 90% of user’s body weight. You can also use this for climbs and explosive jumps.
You can fit this gym in a 4-sqft space. You will need a 9ft ceiling. This machine comes with Da Vinci Heel control anchors to ensure you are in the plank position when exercising. This gym can handle users up to 330lbs.