LEAN 4 LIFE vs SMF Coaching
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LEAN 4 LIFE
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The Harry Knights Coaching App, exclusive to Harry Knights Coaching Clients. Tailored Nutrition and Training Plans, Weekly Video Check Ins, One-to-One calls with Specialist Coaches, In-House Nutritionist, Community Access, Goal Tracking, Exercise Log Booking and 24/7 One-to-One Chat Access. *App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
SMF Coaching
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SMF Coaching App by Syrus Merkel. Online Coaching and Personal Training to take your Health, Fitness and Physique to the Next Level. * 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
Screenshots
Verdict
LEAN 4 LIFE and SMF Coaching are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. LEAN 4 LIFE sells 1 in-app purchase, starting at $250.00 per month and SMF Coaching sells 1 in-app purchase, starting at $100.00 per month. Whichever you choose, the download price is not the number that matters.
LEAN 4 LIFE ships an update monthly, SMF Coaching every 5 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.
| Parameter | LEAN 4 LIFE | SMF Coaching |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 52 MB | 52 MB |
| Age rating | 17+ | 17+ |
| Developer | Harry Knights Coaching Ltd | Syrus Merkel |
In-app purchases
LEAN 4 LIFE
- Monthly Coaching$250.001 Month
SMF Coaching
- Online Coaching Monthly Plan$100.001 Month
