Comparison

Optimize Pro 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

Optimize Pro

Features
Read full description

Optimize Pro | Your All-in-One Fitness Coaching App Empower your journey to fitness and wellness with Optimize Pro, the exclusive app for Optimize clients. Track nutrition, log workouts, and build lasting habits, all guided by expert coaches who tailor everything to your goals. Why Choose Optimize Pro? Unlike generic apps, Optimize Pro is designed for clients seeking real, personalized results. From Day 1, enjoy tailored plans, progress tracking, and expert support, all in one seamless app. Features to Transform Your Goals Effortless Nutrition Tracking: Seamlessly log meals with 1.5M verified foods and barcode scanning. Follow custom meal plans designed to help you hit your fitness and nutrition goals. Custom Fitness Coaching: Access your unique training plan for gym or home workouts. Learn proper form with over 1,000 video-guided exercises. Track Progress and Improve Habits: Visualize weight changes, performance milestones, and habits in real time. Benefit from real-time adjustments to your plan as you grow. Stay Consistent and Accountable: Build better habits with daily reminders for hydration, supplements, and check-ins. Never miss a step. Optimize Pro keeps you on track every day. Real-Time Expert Coaching: Message or send voice notes to your coach anytime. Receive actionable feedback and support tailored to your journey. Join a Thriving Community Join thousands of clients reaching their fitness goals faster and with more confidence using Optimize Pro. Start Your Transformation Today Ready to take control? Download Optimize Pro now for personalized coaching, tailored plans, and the tools you need to succeed. Your goals are closer than ever. Start today! * The App is free to download. A paid coaching plan is required to use the app. Payment for the monthly subscription will be charged to your credit card through your iTunes account at confirmation of purchase. Subscription automatically renews unless cancelled at least 24 hours prior to the end of the subscription period. Auto-renewal may be turned off in Account Settings in iTunes after purchase. Once purchased, refunds will not be provided for any unused portion of the term. Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

About

Built By Karl

Features
Read full description

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

Optimize Pro3 screens
Built By Karl3 screens

Verdict

The call

The clearest difference is update cadence: Optimize Pro at every 5 weeks 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Optimize Pro sells 1 in-app purchase, starting at $294.99 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

Optimize Pro ships an update every 5 weeks, Built By Karl every 3 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard1 real difference ยท 5 level
Optimize Pro versus Built By Karl: the parameters behind the verdict, then further details
ParameterOptimize ProBuilt By Karl
PriceFreeFree
Update frequencyEvery 5 weeks โ€” betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size56 MB56 MB
Age rating17+17+
DeveloperGeorge KalonomosKarl Jardine

In-app purchases

1 purchases

Optimize Pro

Subscriptions1
  • Optimize Elite$294.991 Month
1 purchases

Built By Karl

Subscriptions1
  • Monthly 1-1$299.991 Month

Questions

Is Optimize Pro free?
Optimize Pro 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 Optimize Pro or Built By Karl have ads?
Neither Optimize Pro nor Built By Karl shows ads.
Which is updated more often, Optimize Pro or Built By Karl?
Optimize Pro ships an update every 5 weeks, and Built By Karl every 3 months. Most recently, Optimize Pro was updated on October 28, 2026 and Built By Karl on October 24, 2026.

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