J3U Coaching vs ProFx LLC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
J3U Coaching
This app provides a comprehensive physique coaching service led by experienced professionals. It offers tools for check-ins, workout logging, nutrition tracking, and progress review to help clients achieve their fitness goals. Access requires a paid coaching plan.
- Client check-ins
- Workout logging
- Nutrition tracking
- Progress review
- Physique coaching
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J3U Coaching, led by John Jewett and Luke Miller, sets the highest standards in physique coaching, combining experience in the field with advanced education to deliver an exceptional coaching service for all our clients. Our in app experience offers: Check-ins Workout logging Nutrition tracking Progress review and more. * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
ProFx LLC
This app provides personalized fitness and health coaching to help users achieve their individual goals. It offers tailored guidance for habit development, wellness enhancement, athletic performance, and physique sculpting, fostering a supportive community for all fitness levels.
- Personalized coaching plans
- Habit and routine development
- Mindset and health improvement
- Community support
- Tailored guidance for all levels
- Physique sculpting
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At ProFx, We’re not just a fitness and health brand. We’re your dedicated partners in achieving success! Each coach in our diverse team is committed to understanding and nurturing your individual goals. Whether you’re a seasoned athlete, a health and fitness enthusiast, someone seeking coaching to improve your habits, routines, mindset, and health, or just getting started on your fitness journey, you’re not just another client to us. You’re a valued member of our community. Our Commitment to You No two journeys are the same, and we embrace that diversity. Founder Johnny Casalena believes in a personalized approach, steering away from one-size-fits-all programs. Regardless of your aspirations- be it developing stellar habits, enhancing your health and wellness, excelling in sports, sculpting a competitive physique, or adopting an healthy and active lifestyle- We’re here to guide you with tailored coaching and unwavering enthusiasm. At the most basic level, your ability to succeed lies with your willingness to go all in on self-mastery! All ProFx coaching services take place here in the app. Download the app to get started on the path to becoming the highest version of yourself! App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
Screenshots
Verdict
The clearest difference is ratings volume: ProFx LLC at 6 against J3U Coaching's 1. On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. J3U Coaching sells 1 in-app purchase, starting at $99.99 per month and ProFx LLC sells 1 in-app purchase, starting at $299.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for J3U Coaching against 5.0 for ProFx LLC. That said, the two scores are not equally well evidenced: ProFx LLC has 6 ratings behind it against 1, so its average is the more settled of the two.
J3U Coaching ships an update every 5 weeks, ProFx LLC monthly. The most recent releases landed on June 10, 2026 and September 2, 2026 respectively.
| Parameter | J3U Coaching | ProFx LLC |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (6 ratings) |
| Number of ratings | 1 | 6 — better |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 48 MB | 50 MB |
| Age rating | 17+ | 17+ |
| Developer | J3 Sports RD Inc | Profxprecision LLC |
Customer experience
J3U Coaching
ProFx LLC
In-app purchases
J3U Coaching
- Monthly$99.991 Month
ProFx LLC
- Coaching$299.991 Month








