Reformer Pilates vs. the Gym: An Honest Comparison from a Utah Instructor

I hear this question every week at my studio in Utah (here is why I started Alchemize Pilates): “Should I do reformer Pilates instead of going to the gym? Or can I do both?”

It is a fair question. If you live along the Wasatch Front, you have no shortage of fitness options. Between the CrossFit boxes in Sandy, the climbing gyms in Salt Lake, the boutique studios in Sugar House, and the big-box gyms in Draper and Lehi, deciding where to spend your time and money matters.

So here is an honest comparison from someone who has done both — extensively — and now teaches reformer Pilates full-time in Utah.

The quick answer

Reformer Pilates and gym strength training are not the same thing. They are not interchangeable. But they are more complementary than most people realize, and for many people — especially those dealing with chronic pain, posture problems, or training plateaus — the reformer delivers results that the weight room simply cannot.

Where reformer Pilates wins

Core strength that actually transfers

The gym builds core strength through isolation — crunches, planks, cable rotations. The reformer builds core strength through integration. Because the carriage is unstable, your deep stabilizers fire during every single exercise, whether you are working your arms, legs, or back. After 12 weeks of consistent reformer work, most of my Utah clients report that their squat, deadlift, and overhead press all improve — even though they have not touched a barbell.

Joint health and longevity

Utah is full of active people. We ski, we hike, we trail run, we mountain bike. All of that puts stress on joints. The reformer’s spring-based resistance is joint-friendly in a way that heavy barbells are not. You get full range of motion under load without the compressive force. I have worked with clients recovering from ACL surgeries, hip replacements, and chronic shoulder issues who cannot safely load a barbell but thrive on the reformer.

Posture and body awareness

If you work at a desk in downtown Salt Lake City, drive the I-15 commute, or spend hours looking at screens, your posture is probably suffering. The reformer specifically targets the muscles that pull your shoulders back, decompress your spine, and stabilize your pelvis. Within four to six weeks, my clients notice they are standing taller without consciously thinking about it.

Mind-body control

This is the piece the gym misses entirely. In the weight room, the goal is to move the weight from point A to point B. On the reformer, the goal is to control every millimeter of that movement. That level of body awareness changes how you move in daily life, how you recover from injury, and how you age.

Where the gym wins

I am not going to pretend reformer Pilates does everything. Here is where the weight room has a clear advantage:

Maximum strength and muscle mass

If your goal is to deadlift 400 pounds or build significant muscle size, the reformer alone will not get you there. Spring resistance maxes out, and progressive overload on a reformer does not scale the same way that adding plates to a barbell does.

Cardiovascular conditioning

Reformer Pilates elevates your heart rate, but it is not a cardio workout. If you need high-intensity cardiovascular training — for a marathon, a Ragnar relay through Utah’s canyons, or general heart health — you still need dedicated cardio work.

Cost per session

A gym membership in Salt Lake City runs $30-80 per month. Reformer Pilates classes typically cost $25-40 per session. The math is different, and it should be. A class with 6-8 people and a certified instructor is a different product than a gym floor with 200 members and no guidance.

Side-by-side comparison

The combination that actually works

The clients I see getting the best results along the Wasatch Front are doing two to three reformer Pilates sessions per week combined with one to two gym sessions focused on compound lifts or sport-specific training. The reformer builds the foundation — core stability, joint health, movement quality — and the gym builds on top of it.

Think of the reformer as the operating system. The gym is the application you run on top of it.

Who should choose reformer Pilates over the gym

Based on working with hundreds of clients in Utah, these are the people who see the biggest transformation switching from gym-only to reformer Pilates:

• Desk workers along the Wasatch Front dealing with chronic back, neck, or shoulder tension
• Utah outdoor athletes (skiers, runners, cyclists) who need joint longevity and injury prevention
• Post-rehab clients cleared for exercise but not ready for heavy loading
• Anyone over 35 who wants to build strength without the joint cost
• Lifters who have plateaued and suspect their core stability or mobility is the bottleneck
• People who are bored with the gym and want a more intentional, guided practice

The bottom line

Reformer Pilates is not a replacement for the gym. And the gym is not a replacement for the reformer. They solve different problems. But if you have only been doing one, adding the other will change your body in ways you did not expect.

And if you have never tried reformer Pilates at all? You are missing the best-kept secret in Utah fitness.

Come try a class at Alchemize Pilates — here is my complete guide to your first reformer class in Utah. You will understand within 50 minutes why people who start rarely stop.

— Bianca