Comparison

Formula Coaching vs Built By Karl

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

Head to head
About

Formula Coaching

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Formula Coaching App for Online Clients In this app: - Messaging - View Plans - Check-Ins - Daily Habits - Log Workouts * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

About

Built By Karl

Features
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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.

Screenshots

Formula Coaching3 screens
Built By Karl3 screens

Verdict

The call

The clearest difference is device support: Built By Karl at 3 against Formula Coaching's โ€”. On price, in-app purchases and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Formula Coaching sells 1 in-app purchase, starting at $200.00 per month and Built By Karl sells 1 in-app purchase, starting at $299.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference ยท 5 level
Formula Coaching versus Built By Karl: the parameters behind the verdict, then further details
ParameterFormula CoachingBuilt By Karl
PriceFreeFree
Update frequencyโ€”Every 3 months
Adsโ€”No
In-app purchasesYesYes
Devicesโ€”iPhone, iPad, iPod โ€” better
Requires iOS14.1 โ€” better15.0
Further details โ€” not scored
Size24 MB56 MB
Age rating17+17+
DeveloperGary CrosbyKarl Jardine

In-app purchases

1 purchases

Formula Coaching

Subscriptions1
  • Premium Coaching - Monthly$200.001 Month
1 purchases

Built By Karl

Subscriptions1
  • Monthly 1-1$299.991 Month

Questions

Is Formula Coaching free?
Formula Coaching is free to download, with in-app purchases available.
Is Built By Karl free?
Built By Karl is free to download, with in-app purchases available.

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