Grey Matter Training vs Coach Jon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grey Matter Training
This app offers personalized, science-backed training, nutrition, and supplement guidance for competitive athletes and fitness enthusiasts. It requires a paid coaching plan to access its full features.
- Individualized training plans
- Evidence-based nutrition guidance
- Supplementation strategies
- For physique and strength athletes
- For training enthusiasts
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Grey Matter Training is a service providing individualized, evidence-based training, nutrition, and supplementation plans for competitive physique athletes, strength athletes, and training enthusiasts alike. *Requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
Coach Jon
Achieve your fitness goals with personalized training and nutrition plans. Get expert coaching, real-time accountability, and progress tracking to build muscle, gain strength, or achieve a lean physique.
- Customized workout programs
- Personalized nutrition guidance
- Progress and habit tracking
- 24/7 in-app chat support
- Weekly coaching check-ins
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Transform your body with expert coaching, personalized training plans, and real-time accountability—all in one powerful app. Whether you’re looking to build muscle, gain strength, or achieve a lean, aesthetic physique, this provides the structure and guidance you need to reach your goals. Key Features: Customised Workout Programs – Tailored strength and hypertrophy-focused plans designed for your specific goals, experience level, and available equipment. Personalised Nutrition Guidance – Meal plans customised to your preferences, macros, and lifestyle to help you fuel your body efficiently. Progress & Habit Tracking – Monitor key metrics like weight, strength, and adherence to habits, ensuring continuous progress toward your transformation. 24/7 In-App Chat Support – Get direct access to expert guidance, check-ins, and accountability whenever you need it. Weekly Coaching Check-Ins – Stay on track with regular progress reviews, goal setting, and strategic adjustments to your plan. This is designed for action-oriented individuals ready to commit to real change. Take the guesswork out of your fitness journey and build the physique you’ve always wanted—all with expert support at your fingertips. * 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 update cadence: Grey Matter Training at monthly against Coach Jon's every 3 months. Grey Matter Training also leads on ratings volume (3 vs 1). On price, rating, ads and in-app purchases 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. Grey Matter Training sells 1 in-app purchase, starting at $399.99 per month and Coach Jon sells 1 in-app purchase, starting at $200.00 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 Grey Matter Training against 5.0 for Coach Jon. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Grey Matter Training ships an update monthly, Coach Jon every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Grey Matter Training | Coach Jon |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Monthly — better | Every 3 months |
| 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 | 47 MB | 56 MB |
| Age rating | 17+ | 17+ |
| Developer | Michael White | Jonathan Walland |
Customer experience
Grey Matter Training
Coach Jon
In-app purchases
Grey Matter Training
- Monthly Coaching$399.991 Month
Coach Jon
- 1-1 coaching$200.001 Month
Questions
Is Grey Matter Training free?
Is Coach Jon free?
Which has better reviews, Grey Matter Training or Coach Jon?
Do Grey Matter Training or Coach Jon have ads?
Which is updated more often, Grey Matter Training or Coach Jon?
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