Body by K vs RK Performance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Body by K
Access personalized fitness and nutrition programs designed for competition prep, lifestyle changes, or sustained healthy living. Receive customized plans with direct coach access and prompt responses to support your journey.
- Competition prep programs
- Lifestyle nutrition plans
- Customized training
- Direct coach access
- 24-hour response time
- Monthly workout subscription
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Global Fitness Coaching for Competition Prep to Lifestyle Nutrition and Training Programs. We offer programs for every fitness level. Gain the confidence to step on stage, get in the best shape of your life or learn how to sustain a healthy lifestyle while still enjoying the foods you love. All programs are 100% customized with access to your coach and always less than 24hour response time. Programs include: Competition Prep Online Training Programming Online Nutrition Programming 21 Day Program Reverse Dieting Monthly Workout Subscription And much much more.. *Requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
RK Performance
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High Performance, Health & Body Transformation for Executive Men The official coaching app of "THE FIT HIGH-PERFORMER" by Robin Keller Book your free strategy call at https://thefithighperformer.com/system * 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 in-app purchases: Body by K at none against RK Performance's 1. On price, update cadence, ads 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. RK Performance sells 1 in-app purchase, starting at $399.99 per month. Body by K asks for nothing beyond the download.
Body by K ships an update every 2 months, RK Performance monthly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.
| Parameter | Body by K | RK Performance |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (14 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| 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 | Kayla Perry | Robin Good LLC |
In-app purchases
Body by K
No in-app purchases
RK Performance
- Basic Plan$399.991 Month
Questions
Is Body by K free?
Is RK Performance free?
Do Body by K or RK Performance have ads?
Which is updated more often, Body by K or RK Performance?
Other comparisons
