Kahunas vs 4D Coaching
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kahunas
This app connects clients with their online coaches. Coaches can manage clients, update plans, and communicate directly. Clients can log workouts, track nutrition, and message their coach.
- Client management
- Workout and diet plan updates
- Check-in tracking
- Direct messaging
- Workout logging
- Nutrition plan viewing
Read full descriptionHide full description
Online Coaches - Manage your clients on the go. - Update workout or diet plans. - View check-ins. - Message your clients. Clients - Check-in in the app. - Message your coach. - Log your workouts. - View your nutrition & supplement plans. Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
4D Coaching
Read full descriptionHide full description
The 4D Coaching App combines personalised training and nutrition coaching in one powerful platform. Designed by highly qualified 4D coaches to keep you connected, consistent, and accountable wherever you train. You’ll receive custom nutrition coaching, and weekly check-ins alongside your tailored training program. Track your workouts, log your lifts, and monitor your progress with real data and visuals, all while staying directly connected with your coach for ongoing feedback and support. The 4D App keeps your coaching, progress, and results all in one place. *App access requires a paid coaching plan. Terms Of Use: https://kahunas.io/terms-conditions Privacy Policy: https://kahunas.io/privacy Medical Disclaimer: This app does not provide medical advice, diagnoses, or treatment. The information and guidance provided within the app are for general fitness and wellbeing purposes only. Always seek the advice of your physician or other qualified healthcare provider before starting any exercise program, changing your nutrition, or making decisions regarding your health.
Screenshots
Verdict
The clearest difference is update cadence: 4D Coaching at weekly against Kahunas's monthly. 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. Kahunas sells 1 in-app purchase, starting at $95.99 per month and 4D Coaching sells 1 in-app purchase, starting at $129.99 per month. Whichever you choose, the download price is not the number that matters.
Kahunas ships an update monthly, 4D Coaching weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.
| Parameter | Kahunas | 4D Coaching |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (76 ratings) — better | — |
| Positive reviews | 19.3% of reviews | — |
| Number of ratings | 76 — better | — |
| Update frequency | Monthly | Weekly — better |
| 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 | 51 MB | 56 MB |
| Age rating | 17+ | 17+ |
| Developer | Mark Covey-Fox | The Trustee for ACMO Family Trust |
Bugs and requests
Kahunas
Reported bugs
26 issues- App crashes when locking phone
- Crashes during workout logging
- Login screen freezes
- Barcode scanner launches blank screen
- Rest timer displays incorrect duration
Show 21 moreShow fewer
- Workout data disappears after app exit
- Nutrition data calculations incorrect (off by 150-200 calories)
- Food entries randomly removed from diary
- App logs out randomly
- Check-in data erases when re-entering
- Keyboard jumps page when filling workout data
- Workout ordering forces wrong selection
- Unable to view exercises correctly
- Infinite loading on customer programs
- Password not remembered/cannot be changed
- App-breaking bugs with slow support response
- Payment info failure locks account
- Blue circle of death (complete data loss)
- Workout session disappears if client misses scheduled time
- Notifications constantly pop up
- Unable to create account/sign up issues
- App freezes when viewing longer text in workouts
- Inconsistent date display for workouts and check-ins
- Unable to select workouts after update
- Cannot edit daily check-ins
- Syncing issues between devices
Requested features
18 requests- Apple Watch integration and complications
- MyFitnessPal integration
- Save/reuse meal feature
- Auto-save functionality for workouts
- Weight tracking widget
Show 13 moreShow fewer
- Cardio and step tracking from Apple Health
- Better notification settings/customization
- Drop set logging within sets
- Exercise order switching capability
- Meal filter options
- Weekly macro averages calculation
- Persistent chat history (not auto-delete)
- Reply functionality for check-ins
- Dark mode option
- Better dashboard home screen
- PDF viewing in-app
- Multi-device login capability
- Offline mode
4D Coaching
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Kahunas
- Monthly subscription$95.991 Month
4D Coaching
- Monthly subscription$129.991 Month









