AYN Coaching vs Built By Karl
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
AYN Coaching
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Your all-in-one space for everything AYN Coaching - designed by Alice your Nutritionist and Fitness Coach to help you build confidence, consistency, and long-term results through exercise, nutrition, and lifestyle habits that work for you. All you need, in one place, to get started and make real progress. Inside, youโll find bespoke workout and nutrition plans, daily habit tracking, and weekly check-ins to help you stay accountable and motivated. Access the AYN Resource Hub for recipes, educational videos, and practical guides to strengthen your knowledge, mindset, and routine. With seamless integration for wearables, real-time progress tracking, and direct in-app chat with Alice, youโll have expert support every step of the way. AYN Coaching simplifies your journey and helps you build lasting habits that support your healthiest, happiest self - one step at a time. *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.
Built By Karl
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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
Verdict
The clearest difference is update cadence: AYN Coaching at monthly against Built By Karl's every 3 months. On price, ads, in-app purchases and device support 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
Both are free to download. AYN Coaching sells 1 in-app purchase, starting at $299.99 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.
AYN Coaching ships an update monthly, Built By Karl every 3 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.
| Parameter | AYN Coaching | Built By Karl |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly โ better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 55 MB | 56 MB |
| Age rating | 17+ | 17+ |
| Developer | Alice Monk | Karl Jardine |
In-app purchases
AYN Coaching
- Monthly subscription$299.991 Month
Built By Karl
- Monthly 1-1$299.991 Month
Questions
Is AYN Coaching free?
Is Built By Karl free?
Do AYN Coaching or Built By Karl have ads?
Which is updated more often, AYN Coaching or Built By Karl?
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