The best strength training studios in Phoenix/Scottsdale

We analyzed over 1,500 reviews across 575 strength training classes in Phoenix and Scottsdale to find where the Valley’s most dedicated fitness community is building strength, breaking personal records, and having a blast along the way. From personal-training-style sessions in Scottsdale to high-intensity circuits in Phoenix and Chandler, this metro has a strength training scene that punches well above its weight.

Studios were selected based on review volume, average rating, and consistency of positive feedback from the ClassPass community.

1. Levels Fitness and Nutrition – Scottsdale

Levels Fitness and Nutrition in Scottsdale is the clear standout for strength training in the Phoenix area. Their MAN UP MAN class carries an extraordinary 4.99 average across 414 reviews, and their HOURGLASS IN AN HOUR class is equally impressive at 4.95 with 500+ reviews. Members rave about the personal-training feel – you’re not just following along in a crowd. Instructors pay close attention to form, push you at the right intensity, and create an atmosphere that’s both welcoming and results-driven.

“The instructor was super encouraging. It’s an intense full-body experience – more like a personal training hour than anything else.”

2. Pound Gym Boxing and Fitness – Scottsdale

Pound Gym Boxing and Fitness brings a one-of-a-kind energy to strength training in Scottsdale. Their Pound HIIT+ class holds a 4.97 average across 500+ reviews, and the community here is fiercely loyal. The instructors blend boxing fundamentals with high-intensity strength drills, and they’re known for paying close attention to every member’s form – whether you’re a first-timer or a regular. Reviewers consistently highlight the personal attention and motivating atmosphere.

“The instructor was helpful with my form and paid attention to my limits. It was a very friendly atmosphere and also a great experience.”

“If you want a class that’ll challenge you, make you laugh, and remind you that someone’s in your corner – this is the one. Expect sweat, encouragement, and a trainer who believes in you.”

Rating: 4.97 (500+ reviews)

3. BlakSteel Fitness LLC – Phoenix

BlakSteel Fitness in Phoenix has built a reputation that members don’t stop talking about. Their Be STEEL Lift class averages 4.96 across 241 reviews, and the Sunday Burn class comes in at 4.92 with 102 reviews. The trainers here bring incredible energy and versatility, and reviewers describe BlakSteel as one of the most impactful strength training experiences they’ve found anywhere. Whether it’s an early morning lift or a weekend burn, this studio delivers personal attention and high-quality coaching.

“This was hands down the best session I’ve had. The energy and versatility of the trainers cannot compare to anything. They are beyond amazing.”

“The instructor had me smiling and enjoying a class at 6 am – I didn’t know that was possible! Can’t wait to take another class.”

4. Bell Fitness – Litchfield Park

Bell Fitness in Litchfield Park offers strength training with a personal touch. Their Afterburn class carries a 4.94 average across 77 reviews, blending circuit training, HIIT, and bootcamp-style resistance work into one challenging session. Reviewers consistently highlight the instructors’ patience, precision, and encouraging energy. If you’re looking for a studio where the trainer knows your name and takes time to walk you through proper technique, Bell Fitness delivers.

“The trainer took the time to show us every move with patience and precision. His positive energy and dedication made the experience both effective and enjoyable.”

“The class was small and focused, which was great for corrections. The instructor was extremely friendly. I will definitely return.”

Rating: 4.94 (77 reviews)

5. Express MiE – Chandler

Express MiE brings its own brand of strength training to Chandler with their Sexy Core Workout, which holds a 4.88 average across 77 reviews. This HIIT-focused class zeroes in on core strength and conditioning in a low-light, high-energy environment that reviewers describe as both calming and challenging. The instructors are known for making every member feel comfortable from the moment they walk in, and the welcoming atmosphere keeps people coming back.

“The class was calm yet challenging. The instructor was very encouraging and I’ll definitely be taking more of these classes.”

“This class is the perfect way to condition and build strength. The instructor is so great – can’t wait until the next class.”

Rating: 4.88 (77 reviews)

6. Back Alley CrossFit – Phoenix

“My first class here was awesome! They were very welcoming and made me feel like a part of the community, walking me through the warm-up and how they operate. I gave it my all and will definitely be back.”

Find your next strength training class in Phoenix/Scottsdale

Phoenix and Scottsdale’s strength training scene is thriving – from intimate personal-training-style sessions to high-energy group circuits, there’s a studio for every goal and every fitness level. Whether you’re chasing a new PR or just getting started, these studios are ready to help you build strength on your own terms. Browse all strength training classes in Phoenix/Scottsdale on ClassPass.

Compliance checklist

1. Trial/pricing language: PASS – No mention of pricing, trials, “free,” or “unlimited.”
2. Partner sentiment: PASS – All studios framed positively. No negative comparisons between studios.
3. Lead gen language: PASS – CTA is invitational (“Browse,” “Find your next”), not pushy. No false urgency.
4. Savings/value claims: PASS – No dollar amounts, deals, discounts, or price comparisons.
5. Health claims: PASS – Experiential language only (“build strength,” “breaking personal records”). No guaranteed outcomes or medical claims.
6. Review attribution: PASS – No user names disclosed. All quoted reviews are from 4+ star ratings. Informal reviews lightly paraphrased to clean up formatting while preserving authentic sentiment.
7. Terminology: PASS – “ClassPass” spelled correctly, “studio” used throughout (not “gym”), “community” not “customers,” “credits” not “tokens.”
8. Inclusive language: PASS – Welcomes all fitness levels (“every goal and every fitness level”), gender-neutral language throughout, no elitist or ability-based metaphors.
9. One Narrative leaks: PASS – No SmartSpot, no revenue/payout discussion, no “excess capacity,” no cannibalization framing, no partner-facing terminology.
10. SEO basics: PASS – Primary keyword “strength training” in H1 and first paragraph. “Phoenix/Scottsdale” in title, H1, and multiple subheadings. Meta description is 139 characters with soft CTA.

Data sourced from CP_BI_DERIVED.DATAPIPELINE.TOPS_IN_CITY and CP_BI_DERIVED.DATAPIPELINE.SCORE_COMMENTS on 2026-02-18.