Comparison

Body by K vs Renu by Sam Thai

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Competition prep programs
  • Lifestyle nutrition plans
  • Customized training
  • Direct coach access
  • 24-hour response time
  • Monthly workout subscription
Features
Read full description

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

About

Renu by Sam Thai

Features
Read full description

Renu is the private 1:1 coaching app for clients of Sam Thai. Sam has coached since 2016. He built Renu for people who have trained for years and still don’t have the physique to show for it. Nothing in the app is a template. Everything is built around you and your data. What’s inside Your training. Block-based programming, rewritten as we go based on your real performance and recovery. Travel-week sessions for when life moves. Your nutrition. Your targets and meal structure, built to survive work dinners, travel and weekends. Daily and weekly check-ins. Log your numbers, photos and how the week went. Sam reviews every check-in and replies the same day. Direct messaging. Ask Sam the in-the-moment questions, Monday to Friday. One place for all of it. No spreadsheets, no scattered messages, no guessing what’s next. Please note: Renu is for current clients of Sam Thai. Access comes with your coaching, and places are limited. To apply, visit apply.coachsamthai.com Renu provides coaching and general fitness guidance. It isn’t medical advice. * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

Screenshots

Body by K3 screens
Renu by Sam Thai3 screens

Verdict

The call

The clearest difference is in-app purchases: Body by K at none against Renu by Sam Thai's 1. Body by K also leads on update cadence (every 2 months vs every 4 months). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Renu by Sam Thai sells 1 in-app purchase, starting at $200.00 per month. Body by K asks for nothing beyond the download.

UpkeepUpdate frequency

Body by K ships an update every 2 months, Renu by Sam Thai every 4 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Body by K versus Renu by Sam Thai: the parameters behind the verdict, then further details
ParameterBody by KRenu by Sam Thai
PriceFreeFree
Rating5.0 (14 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings14 — better—
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size52 MB56 MB
Age rating17+17+
DeveloperKayla PerrySam Hughes

In-app purchases

None

Body by K

No in-app purchases

1 purchases

Renu by Sam Thai

Subscriptions1
  • Coaching$200.001 Month

Questions

Is Body by K free?
Body by K is free to download, with no in-app purchases.
Is Renu by Sam Thai free?
Renu by Sam Thai is free to download, with in-app purchases available.
Do Body by K or Renu by Sam Thai have ads?
Neither Body by K nor Renu by Sam Thai shows ads.
Which is updated more often, Body by K or Renu by Sam Thai?
Body by K ships an update every 2 months, and Renu by Sam Thai every 4 months. Most recently, Body by K was updated on November 3, 2026 and Renu by Sam Thai on October 30, 2026.

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