GTFU Coaching vs Built By Karl
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
GTFU Coaching
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GTFU Coaching takes care of absolutely everything regarding your nutrition, training and lifestyle habits. You will work 1:1 with your coach in achieving your goals. All the tools you require are now located within the app. It's time to unleash your full potential! *Requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
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 in-app purchases: GTFU Coaching at none against Built By Karl's 1. GTFU Coaching also leads on update cadence (every 3 weeks vs every 3 months). On price, ads, device support 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
Both are free to download. Built By Karl sells 1 in-app purchase, starting at $299.99 per month. GTFU Coaching asks for nothing beyond the download.
GTFU Coaching ships an update every 3 weeks, Built By Karl every 3 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | GTFU Coaching | Built By Karl |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks โ better | Every 3 months |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 53 MB | 56 MB |
| Age rating | 17+ | 17+ |
| Developer | Matthew Borg | Karl Jardine |
In-app purchases
GTFU Coaching
No in-app purchases
Built By Karl
- Monthly 1-1$299.991 Month
Questions
Is GTFU Coaching free?
Is Built By Karl free?
Do GTFU Coaching or Built By Karl have ads?
Which is updated more often, GTFU Coaching or Built By Karl?
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