CJ Coaching vs Grey Matter Training
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CJ Coaching
This app provides personalized nutrition and training plans, weekly check-ins, and direct communication with coaches. It offers access to group calls and a supportive community for clients enrolled in a paid coaching plan.
- Tailored nutrition plans
- Personalized training plans
- Weekly check-ins
- One-to-one coach calls
- Group calls
- Community access
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The Number 1 Health and Fitness Coaching App, exclusive to CJ Coaching Clients. Tailored Nutrition and Training plans, Weekly Check-Ins, One-to-One calls with Top Coaches, Group Calls, and CJ Coaching Community Access. * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
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
Screenshots
Verdict
The clearest difference is monetization model: CJ Coaching at free against Grey Matter Training's free with in-app purchases. On price, update cadence, 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. CJ Coaching sells 1 in-app purchase, starting at $199.99 per month and Grey Matter Training sells 1 in-app purchase, starting at $399.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.
| Parameter | CJ Coaching | Grey Matter Training |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 3 — better |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | 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 | 47 MB |
| Age rating | 17+ | 17+ |
| Developer | SHREDDIN8 LTD | Michael White |
Customer experience
CJ Coaching
Grey Matter Training
In-app purchases
CJ Coaching
- Basic Plan$199.991 Month
Grey Matter Training
- Monthly Coaching$399.991 Month
Questions
Is CJ Coaching free?
Is Grey Matter Training free?
Do CJ Coaching or Grey Matter Training have ads?
Which is updated more often, CJ Coaching or Grey Matter Training?
Other comparisons
