Comparison

Ultra By DC vs CORE4 Members

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Ultra By DC

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This app will help you with a range of areas which will help you reach your goal. By using this app you will have help with: - Accountability: check ins, to do lists and a diary will help you stay accountable and stay on track - Knowledge: learn from videos and a library of information, from how to perform certain exercises to topics such as nutrition - Exercise technique guidance: have confidence in your technique by using the exercise library linked to your training log - Progressive exercises: Your workout logs show rest periods, sets, reps, advanced techniques, RIR and other information which you can compare each session - Check in pictures and assessments: compare all your assessments side by side so you can stay on track - In app chat: help and guidance via the app chat - Forum topics: discuss tips, learn and socialise with a group of people who are on similar journeys to yourself Download today to be part of Team UltraByDC * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

About

CORE4 Members

Features
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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.

Screenshots

Ultra By DC3 screens
CORE4 Members3 screens

Verdict

The call

The clearest difference is in-app purchases: Ultra By DC at none against CORE4 Members's 1. CORE4 Members's advantage is device support. On price and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. CORE4 Members sells 1 in-app purchase, starting at $299.99 per month. Ultra By DC asks for nothing beyond the download.

Scorecard2 real differences Β· 4 level
Ultra By DC versus CORE4 Members: the parameters behind the verdict, then further details
ParameterUltra By DCCORE4 Members
PriceFreeFree
Update frequencyβ€”Monthly
Adsβ€”No
In-app purchasesNo β€” betterYes
Devicesβ€”iPhone, iPad, iPod β€” better
Requires iOS15.015.0
Further details β€” not scored
Size46 MB57 MB
Age rating17+4+
DeveloperDanielle CarrCoach Caelum

In-app purchases

None

Ultra By DC

No in-app purchases

1 purchases

CORE4 Members

Subscriptions1
  • The CORE4 Framework$299.991 Month

Questions

Is Ultra By DC free?
Ultra By DC is free to download, with no in-app purchases.
Is CORE4 Members free?
CORE4 Members is free to download, with in-app purchases available.

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