Your Apple Watch Becomes Your Personal Trainer

Know when to train. Know how much to train.

Start Training Smarter Today

A man showing a smartwatch with fitness training stats outdoors.
A smartwatch displaying health and activity metrics such as sleep score, cardio score, step count for two work periods, body age, and BMI with a black background.

Most fitness apps show you endless graphs and numbers.

BitFitness does the opposite.

It turns your Apple Watch data into simple answers:

  • How your body feels today

  • Are you ready to train

  • How much you should train, based on your target calories to burn

No Data Overload

• Know your body status
• Know when you’re ready to train
• Daily workouts - no guesswork
• See how fitness affects your biological age
• Your personal trainer on your wrist

Start training smarter today. Download on the App Store.

What You Get with BitFitness

A woman with curly hair doing a push-up in a gym. She wears a sports bra, shorts, sneakers, and a fitness tracker on her wrist.
A young man doing push-ups in a gym, looking intently at the camera, in black and white.

With BitFitness you can:

  • Train anywhere — at home or outdoors

  • Start easily — workouts are simple and beginner-friendly

  • Use your bodyweight — no equipment needed

  • Follow clear guidance from your Apple Watch

No Gym Required

A woman lying in bed, looking at her smartwatch.
A woman lying on an exercise mat, posing with one hand behind her head and the other resting on her hair, wearing a sports bra and shorts, in a gym setting.

Step 1

Your Apple Watch collects your activity, sleep and recovery data.

Step 2

BitFitness analyzes your daily fitness condition.

Step 3

The app recommends exactly how much training you should do today.

Step 4

Complete your workouts and improve your fitness over time.

How It Works

Bio Age Tracking

Track how your training and recovery influence your biological age over time.

Recovery Insights

Understand how sleep and rest affect your ability to train.

Cardio Status

Monitor how your workouts improve your cardiovascular fitness.

Smart Training Guidance

Get recommendations for two daily workouts based on your current fitness condition.

Key Features

7 days free trial available for all new subscribers

Cancel anytime

Subscription Plans

Two smartwatches displaying fitness data and a smartphone showing a workout calendar with marked days, sleep score, and BMI tracking.
Smartphone and smartwatch displaying health and fitness tracking apps, with subscription pricing of 9.99 euros per month, supporting features like daily workout tracking, cardio status measurement, sleep recovery score, BMI monitoring, bio age monitoring, and a calorie calculator.
Screenshot of a fitness app interface with two smartwatches and a phone displaying fitness data and calendar. Text indicates annual cost of 99 euros and list of features including workouts, cardio, sleep recovery, BMI, bio age, and calorie calculator.

Trusted By Apple Watch Users

Quick Answers

Do I need to plan my workouts?

No. BitFitness tells you exactly what to do today.

How long are the workouts?

You don’t train by time.
You train until you burn your daily calorie target.

Do I need a gym or equipment?

No. Just simple bodyweight exercises you can do anywhere.

How is my calorie target defined?

Your Apple Watch data sets it — based on recovery, cardio and activity.

What if I’m tired or didn’t sleep well?

BitFitness adjusts your training so you don’t overtrain.

Is the app complicated to use?

No. Just start the workout on your Apple Watch and follow the guidance.

BitFitness helps people train smarter by turning Apple Watch data into simple daily guidance.

Users appreciate the clarity, simplicity and the ability to understand how their training and recovery affect their fitness.

TRAIN SMARTER EVERY DAY