AR Performance vs Built By Karl
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
AR Performance
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A personalised, holistic approach to achieving your fitness goals in todayβs busy world. * App access 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 update cadence: AR Performance 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 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
Both are free to download. AR Performance sells 1 in-app purchase, starting at $249.99 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.
AR Performance ships an update monthly, Built By Karl every 3 months. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.
| Parameter | AR Performance | Built By Karl |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly β 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 β not scored | ||
| Size | 50 MB | 56 MB |
| Age rating | 17+ | 17+ |
| Developer | Andrius Rudavicius | Karl Jardine |
In-app purchases
AR Performance
- Online Coaching$249.991 Month
Built By Karl
- Monthly 1-1$299.991 Month
Questions
Is AR Performance free?
Is Built By Karl free?
Do AR Performance or Built By Karl have ads?
Which is updated more often, AR Performance or Built By Karl?
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