
Free
In-App Purchases
About
The CORE4 Members App
by Coach Caelum
The CORE4 Members App is a private coaching platform designed for men who want structured progress without noise, gimmicks, or guesswork.
The app supports a highly personalised online coaching experience built around The CORE4 Habit Acquisition System, combining training, nutrition, recovery, and lifestyle habits into a single, guided system. Everything inside The CORE4 Members App is tailored to the individual and adjusted as real-world feedback comes in.
This is not a collection of generic plans. It’s a place where strategy is applied, refined, and maintained over time.
What The CORE4 Members App helps you do:
Train with structure and intent
- Access your personalised workout plan, designed around your goals, current ability, and recovery capacity. Each phase is adjusted as your body adapts, ensuring training remains effective and sustainable.
Manage nutrition without unnecessary restriction
- Follow a clear nutrition structure that supports fat loss, performance, and long-term adherence. Plans are built to fit real lifestyles and evolve based on progress, energy, and feedback.
Build habits that support results
- Track daily behaviours such as steps, sleep, hydration, and consistency. These habits form the foundation that keeps progress moving outside the gym.
Stay connected through in-app coaching
- Communicate directly with your coach through in-app messaging. Weekly check-ins allow feedback to be reviewed and plans refined with precision.
See the bigger picture
- The CORE4 Members App brings training, nutrition, recovery, and mindset into one place, making it easier to stay consistent and understand how each piece supports your progress.
Designed for long-term progress
The CORE4 Members App is built for those who value clarity, structure, and guidance. The focus is not on quick fixes, but on creating a system that can be maintained, adjusted, and progressed over time.
Access to The CORE4 Members App is provided as part of the online coaching experience with Coach Caelum. Apply online to gain access.
*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.
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What's New in CORE4 Members
2.8.8
March 23, 2026
Bug fixes and polish across the board — with better notes, smoother check-ins, and clearer supplement plans to keep your progress on track.
Subscription plans
The CORE4 Framework
Monthly subscription
$299.991 Month


