Comparison

121 Physiques vs CORE4 Members

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

Head to head
About

121 Physiques

Receive personalized meal plans and workout programs designed for your fitness goals. Benefit from weekly check-ins and 24/7 access to your coach. This service requires a paid coaching plan for app access.

Highlights
  • 1-on-1 personalized coaching
  • Weekly updated meal plans
  • Optimized workout programs
  • Weekly check-ins
  • 24/7 coach contact
Features
Read full description

Welcome the 121 Physiques App! 1 on 1 personalized coaching  App + services include: - Meal plans updated weekly - Workout program optimally designed for your goals - Weekly check ins - Ability to contact me 24/7 * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

About

CORE4 Members

Features
Read full description

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

121 Physiques3 screens
CORE4 Members3 screens

Verdict

The call

121 Physiques and CORE4 Members are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 121 Physiques sells 1 in-app purchase, starting at $0.99 per month and CORE4 Members sells 1 in-app purchase, starting at $299.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

ScorecardNo meaningful differences
121 Physiques versus CORE4 Members: the parameters behind the verdict, then further details
Parameter121 PhysiquesCORE4 Members
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size48 MB57 MB
Age rating17+4+
DeveloperBrandon KennedyCoach Caelum

In-app purchases

1 purchases

121 Physiques

Subscriptions1
  • Monthly$0.991 Month
1 purchases

CORE4 Members

Subscriptions1
  • The CORE4 Framework$299.991 Month

Questions

Is 121 Physiques free?
121 Physiques is free to download, with in-app purchases available.
Is CORE4 Members free?
CORE4 Members is free to download, with in-app purchases available.
Do 121 Physiques or CORE4 Members have ads?
Neither 121 Physiques nor CORE4 Members shows ads.
Which is updated more often, 121 Physiques or CORE4 Members?
121 Physiques ships an update monthly, and CORE4 Members monthly. Most recently, 121 Physiques was updated on October 14, 2026 and CORE4 Members on October 24, 2026.

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