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Screenshots

  • Built By Karl screenshot 1
  • Built By Karl screenshot 2
  • Built By Karl screenshot 3

About 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. *App access requires a paid coaching plan. Terms Of Use: https://kahunas.io/terms-conditions Privacy Policy: https://kahunas.io/privacy Medical Disclaimer: This app does not provide medical advice, diagnoses, or treatment. The information and guidance provided within the app are for general fitness and wellbeing purposes only. Always seek the advice of your physician or other qualified healthcare provider before starting any exercise program, changing your nutrition, or making decisions regarding your health.

What’s new

Version 2.8.9 · Updated July 13, 2026

We’ve refreshed the app with a cleaner, more modern design - along with fixes for workouts, video playback, and everyday usability.

App privacy

The developer, Karl Jardine, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Contact Info: Email Address, Name

Used for: App Functionality

Alternatives to Built By Karl

Looking for apps like Built By Karl? Here are 6 similar apps on the App Store. The highest rated is Alexia Wilson Fitness (5.0/5), and all 6 are free to download.

Built By Karl vs. alternatives
App Rating Price Last updated
Built By Karl – Free July 13, 2026
Evolv – Free Apr 9, 2026
Alexia Wilson Fitness 5.0 / 5 (2) Free May 23, 2025
AZ Fitness – Free Dec 19, 2025
DW Strength & Fitness – Free Jun 18, 2026
BILT By Lauren – Free Sep 15, 2026
Your Coach Alison 5.0 / 5 (1) Free Apr 10, 2026