
Free
In-App Purchases
Rating summary
About
Expert Monthly Fat Loss & Physique Coaching
The ONE App delivers a proven physique transformation system directly to your pocket — every month.
What’s included?
* Choose from multiple pre-set programmes -
A range of effective training plans for different goals, that provide progression, direction, and measurable results.
* Integrated workout logging -
Track every session within the app, monitor your performance, and keep a clear record of your progression over time. A built-in load calculator helps you know exactly when and how to increase weights, removing the guesswork.
* Nutrition tracking included -
Built in barcode scanner and access to a database of over 1 million foods makes daily logging simple, accurate, and quick.
* Custom macro & activity targets -
Calculated for you at sign-up based on your goals, so you know exactly how much to eat and move every day. Targets are reviewed and updated monthly during your check-in to keep you progressing consistently.
* Comprehensive progress tracking -
Compare physique photos, update measurements, review weigh-ins, and monitor your progress any time, giving you a clear picture of your progress.
* In-app messaging access -
Reach out directly to your coach whenever you need guidance, quick answers, or clarity on your programme or adjustments.
* Extensive exercise library -
Over 1,000 exercise demonstrations to teach correct form, increase confidence, and improve training quality.
* Exclusive WhatsApp community -
A motivating group space to share progress, ask questions, get accountability and swap recipes, meal ideas, and insights with others.
* Perfect for motivated trainees or anyone working on a budget -
Get expert programming, personalised nutrition & activity plans, daily accountability check-ins and structured monthly reviews in a more affordable, lower-touch format than 1-1 coaching.
Built by a physique transformation specialist, The ONE App gives you the structure, accountability, and tools to keep advancing toward your best physique — month after month.
Subscribe today for just £19.99 upfront. Cancel anytime.
Your physique journey deserves expert support, subscribe to The ONE App now.
By Josh Fairweather – Physique Transformation Specialist
ONE Coaching
* 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
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+1
What's New in The ONE App.
2.8.9
October 28, 2026
We’ve refreshed the app with a cleaner, more modern design - along with fixes for workouts, video playback, and everyday usability.
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Subscriptions & In-App Purchases
Monthly Coaching
Monthly Subscription
$195.991 Month


