Comparison

Body by K vs B>IAM

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

B>IAM

This app offers comprehensive fitness and nutrition tracking to help you achieve your health goals. It allows you to log workouts, monitor body measurements, and track daily meals with personalized plans and targets. Access all your personal data to visualize your progress and stay motivated.

Highlights
  • Workout progression tracking
  • Nutrition logging and meal plans
  • Body measurement tracking
  • Progress picture visualization
  • Wearable fitness tracker synchronization
  • Personalized nutrition targets
Features
Read full description

P.T.321’s ~ B>IAM ~ APP   P.T.321, has provided personal training services for face to face sessions since 2010. Despite the love of providing face to face sessions, P.T.321 must move with the times. B>IAM is just that, all the passion, experience, and love for personal training brought to the palm of your hand, offering mobility, convenience, and affordability.   Transform your fitness journey with B>IAM, a comprehensive fitness and nutrition app designed to track and analyse your progress. Design for the everyday user. B>IAM provides an unparalleled range of features, that caters for your specific and individual needs. Every user has access to all their own personal information, giving you the ability to track your journey, progress, and data.   Workout Tracking    -              Record your workouts progression, from the weights, reps, RPE, and time taken.  -              View stats for each exercise, comparing progression with other times completed. -              Compare the progress with your volume, maximum weights per exercise and more. -               Synchronise your daily steps calories burn and workouts from your wearable fitness tracker monitor.    Nutrition Tracking   -              Log your daily meals and see the total calories, protein, carbs, and fats for that day. -              Follow customised meal plans directly within your app’s food diary -              Follow your personalised nutrition targets to realise your intended goals such as fat loss, weight loss, and/ or muscle gain. -               Track your food, your calorie intake and macros for weight loss, maintenance and/or weight gain.    Body Measurement Tracking   -              Keep track of your body weight, body fat percentage, waist measurements, and more. -              Record and view your progress picture over time and see your intent realised. -              progress pictures of before and during will help keep your intent alive and you motivated. to B>IAM!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * 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
B>IAM3 screens

Verdict

The call

The clearest difference is in-app purchases: Body by K at none against B>IAM's 1. On price, review sentiment, update cadence and ads 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. B>IAM sells 1 in-app purchase, starting at $29.99 per month. Body by K asks for nothing beyond the download.

UpkeepUpdate frequency

Body by K ships an update every 2 months, B>IAM every 5 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 8 level
Body by K versus B>IAM: the parameters behind the verdict, then further details
ParameterBody by KB>IAM
PriceFreeFree
Rating5.0 (14 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings14 — better—
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size52 MB51 MB
Age rating17+17+
DeveloperKayla PerryP.T.321 Ltd

Customer experience

Body by K

All ratings14 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

B>IAM

Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Body by K

No in-app purchases

1 purchases

B>IAM

Subscriptions1
  • Monthly Program$29.991 Month

Questions

Is Body by K free?
Body by K is free to download, with no in-app purchases.
Is B>IAM free?
B>IAM is free to download, with in-app purchases available.
Do Body by K or B>IAM have ads?
Neither Body by K nor B>IAM shows ads.
Which is updated more often, Body by K or B>IAM?
Body by K ships an update every 2 months, and B>IAM every 5 weeks. Most recently, Body by K was updated on November 3, 2026 and B>IAM on November 4, 2026.

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