Built By Karl

Built By Karl is a fitness and lifestyle coaching app designed to help busy men build strength, lose body fat, and create sustainable habits alongside work and family life.

The app provides structured training programs, simple nutrition guidance, and daily accountability tools to support long-term consistency. Users can follow workouts tailored to their goals, track progress over time, and stay organised with habit tracking and check-ins.

Key features include:

Personalised workout plans with exercise demonstrations

Progress tracking for workouts, body metrics, and habits

Nutrition guidance and food tracking support

In-app messaging for communication and feedback

Goal setting and reminders to support consistency

Built By Karl focuses on practical routines that fit around real life, helping users stay consistent without extreme diets or complicated systems. Everything is delivered in one place to make fitness simple, structured, and manageable.