Kernwerk® Functional Fitness 4+

Training für Zuhause & im Gym

Kernwerk GmbH

    • Free
    • Offers In-App Purchases



===== Functional Fitness from Germany =====

Functional Training? Muscle building? HIIT? Circuit Training? Bodyweight Training? Kettlebell training? The Kernwerk® app is your personal fitness coach, calculating a new workout for you every day.

===== SUMMARY =====

We are more than a simple at-home fitness plan. Kernwerk® is a unique fitness app: we offer you the world's best AI coach for real and flexible functional training with bodyweight and equipment. We pick you up at your fitness level, offer you perfect workouts and maximum motivation through challenges. No matter if in the home gym, in the gym or in the box.

===== HOW IT WORKS =====

Our professional coaching team creates a unique Daily Workout for every day. This way we combine professional workout planning with maximum workout variety and prevent boredom.

The AI in our app customizes the Daily Workout before each workout based on your performance, equipment and gear: Before each workout, you can decide in real time what options you currently have available. Common equipment combinations are saved in equipment profiles (e.g. "at home", "gym").


Let our coaching team create a completely new fitness workout plan for you every day: We call it a "Daily Workout," or WOD. You will never do a workout twice.


Our AI customizes every single exercise in each of your workouts (WOD) for you. Through your feedback after the workout, each subsequent workout is even better suited to your personal strengths and weaknesses.


Train with or without equipment! You can decide before each workout what you have available today: kettlebell, dumbbell, sandbag, TRX, pull-up bar or barbell. We have over 40 pieces of gym equipment that you can incorporate into your workout.


Never done Marc Lauren, Freeletics, CrossFit or other functional training? HIT or circuit training of different muscle groups is difficult for you? Kernwerk® offers you German-language video instruction for functional training: You'll get tutorials from our fitness coach on basic exercises, strength training and muscle building, as well as tips on mobilization.


We do not work with a classic fitness training plan! You can decide every day how and where you want to train. To the gym? Or rather a home workout with bodyweight? Decide which workout suits you today.


Through our HIT training you will quickly become super fit and celebrate enormous successes. We are not a 10-week fitness plan - but with us you are motivated even after months and years, avoid the yo-yo effect and you stay healthy, fit and efficient until old age.


You can now activate the connection to Apple Health in the settings of the Kernwerk® app. This connection will transmit your workout duration to Apple Health. This way you can close your workout "ring" and let Apple know how busy you've been.


Without a membership (subscription), you can complete our workouts and strength plans for free anytime. With a membership (subscription), individual HIT/HIIT workouts are available to you. We offer the Kernwerk® subscription in three terms: 3, 6 or 12 months.

You can find our privacy policy at and our terms of use and We wish you success in your training and a lot of fun with our workouts.

What’s New

Version 2022.10.18

It is important to us that every workout is optimal for you. But it is even more important to us that you always find a workout that you enjoy. Because only with fun at the training you stay with it in the long run. For this reason, and by popular request, the app update 2022.10 comes with the "Workout Archive".

Now you can choose from the last three days the "Daily Workout" that you like best and that fits best into your day. Have fun with your workout!

#trainLimitless and make #DailyProgress

App Privacy

The developer, Kernwerk GmbH, 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 Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers

Data Linked to You

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

  • Purchases
  • Contact Info
  • Identifiers
  • Usage Data
  • Diagnostics

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

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