Grey Matter Training vs Harder Coaching
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
Harder Coaching
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Ik leer ambitieuze mannen winnen in hun carrière én de gym voor maximale prestaties in het dagelijks leven. Met Harder Coaching krijg je persoonlijke begeleiding op het gebied van: - Training: bouw kracht en vitaliteit op zodat je beter presteert in de gym én op werk. - Voeding: leer hoe je jouw lichaam voedt voor constante energie en focus. - Stress: ontdek hoe je mentaal tot rust komt en met helderheid keuzes maakt. - Slaap: verbeter je herstel en presteer met meer veerkracht. - Mindset: doorbreek de alles-of-niets-mentaliteit en blijf consistent groeien. Via deze app werken we samen aan jouw doelen met persoonlijke schema’s, voortgangsmetingen en directe communicatie. * 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 Harder Coaching's every 3 months. On price, ads, in-app purchases and device support 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 Harder Coaching sells 1 in-app purchase, starting at $199.99 per month. Whichever you choose, the download price is not the number that matters.
Grey Matter Training ships an update monthly, Harder Coaching every 3 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.
| Parameter | Grey Matter Training | Harder Coaching |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | 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 | 55 MB |
| Age rating | 17+ | 17+ |
| Developer | Michael White | Jerrel den Harder |
In-app purchases
Grey Matter Training
- Monthly Coaching$399.991 Month
Harder Coaching
- Harder Coaching$199.991 Month
Questions
Is Grey Matter Training free?
Is Harder Coaching free?
Do Grey Matter Training or Harder Coaching have ads?
Which is updated more often, Grey Matter Training or Harder Coaching?
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