There's a reason Orangetheory Fitness (OTF) inspires such devoted fans. It's one of the rare group exercise classes that delivers the guided, personalized attention of a one-on-one training session and the motivating camaraderie of a team workout. Add in the competitive boost from OTF's emphasis on hitting your target heart rate zone, and you've got a workout that's challenging, effective, and fun too — the perfect combination.

OTF also truly caters to all fitness levels, with a format that's accessible to beginners but that can be scaled to your fitness level. Before we get into Orangetheory pricing, let's break down what you're really paying for. A signature Orangetheory class is an hour-long, interval-based workout split into three sections.

You spend a portion of the workout on the rowing machine, then get the choice between the treadmill, bike, or strider (similar to an elliptical). The third section involves floor work, where you strength train using TRX suspension straps and free weights. The workout is friendly to all levels, including beginners.

Throughout the workout, Orangetheory relies on heart-rate-based metrics. The goal of any sweat session at OTF is to train within the "Orange Zone" — aka 84-91 percent of your maximum heart rate — for 12 minutes or more. This is said to improve your endurance and overall fitness, and during class at Orangetheory, it earns you "Splat Points.

" Sound like something you want to try? Here's everything you need to know for you.