EMS fitness wireless! Plan and Schedule your classes with us from your device.

With Killer 20 you are no longer attached to lengthy, boring, non-effective, training sessions. We incorporate our muscle stimulation system into your preferred style of training.

Killer20 is a training system that maximizes muscle stimulation through EMS (Electro Muscle stimulation) and EMA (Electro Muscle Activation). We feature an exclusive freedom of movement system with the latest wireless suit technology.

Our training system boosts the activation of both small and large muscle fibers, trains the muscles through two type of body movements: functional (voluntary) and in static positions (involuntary). Killer20 delivers effective 20 minutes workout, activating 90% of the muscle fibers in your body. Saving you more than 6x of your typical gym activity.


Killer20 is the first fitness studio in Miami with revolutionary EMS wireless Powersuits.
• Toning, strengthening & assisting in muscle mass gains.
• Saving you more than 6x of your typical gym activity.
• Reduce stress on joints, ligaments and tendons.
• Support muscle memory
• Increase blood flood


• Weight loss stimulation
• Reduce fat
• Reduce cellulite
• Increase strength and endurance
• Improve BMI
• Boost metabolism


• Fits like a globe with maximum flexibility.
• Cables free Powersuit
• Provides individual freedom of movement
• Maximum hygiene, odor free and easy to dry

Revolutionary EMS training system featuring:

• Reduced training groups
• Dedicated coaching and progress tracking
• We offer a range of customized training programs
• Training programs that fit specific goals

Download the Killer 20 App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, view ongoing promotions, as well as view the studio’s location and contact information. You can also click through to our social pages! Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!

What’s New

Version 5.101.0

We've improved our booking feature! Now you can view more detailed information about classes and appointments during the booking experience.
Also included with this update is improved payment processing support for EU banks.  

App Privacy

The developer, Killer 20 LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Purchases
  • Financial Info
  • Contact Info
  • User Content
  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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