Comparison

Built For Performance Online 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

Built For Performance Online

Features
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Online Coaching service provided by Coach Jack Clarke In this app: - Messaging - View Plans - Check-Ins - Daily Habits - Log Workouts *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

Built For Performance Online3 screens
Built By Karl3 screens

Verdict

The call

Built For Performance Online and Built By Karl are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Built For Performance Online sells 1 in-app purchase, starting at $157.99 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.

UpkeepUpdate frequency

Built For Performance Online ships an update every 6 weeks, Built By Karl every 3 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

ScorecardNo meaningful differences
Built For Performance Online versus Built By Karl: the parameters behind the verdict, then further details
ParameterBuilt For Performance OnlineBuilt By Karl
PriceFreeFree
Update frequencyEvery 6 weeks โ€” betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size54 MB56 MB
Age rating17+17+
DeveloperJack ClarkeKarl Jardine

In-app purchases

1 purchases

Built For Performance Online

Subscriptions1
  • BFP Online$157.991 Month
1 purchases

Built By Karl

Subscriptions1
  • Monthly 1-1$299.991 Month

Questions

Is Built For Performance Online free?
Built For Performance Online 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.
Do Built For Performance Online or Built By Karl have ads?
Neither Built For Performance Online nor Built By Karl shows ads.
Which is updated more often, Built For Performance Online or Built By Karl?
Built For Performance Online ships an update every 6 weeks, and Built By Karl every 3 months. Most recently, Built For Performance Online was updated on November 3, 2026 and Built By Karl on October 31, 2026.

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