Comparison

Gymbrain vs JB transformations

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

Head to head

About

Gymbrain

Features

Read full description

Wir sind Gymbrain ein Coaching-Team aus der Schweiz. Wir spezialeren uns auf Kraftsport und Bodybuilding. Diese App ist der zentrale Hub, in dem Kunden alles finden rund um unseren Service. * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

About

JB transformations

Features

Read full description

JB TRANSFORMATIONS IS A FITNESS PROGRAM DESIGNED FOR YOU! THE WORKOUTS ARE SIMPLE, EFFICIENT, AND ARE THE SAME WORKOUTS I USE TO BUILD MY 3D MUSCLES AND PHYSIQUE. CHOOSE THE WORKOUT THAT BEST FITS YOUR SCHEDULE AND GET MOVING! * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

Screenshots

Gymbrain3 screens

JB transformations3 screens

Verdict

The call

Gymbrain and JB transformations 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Gymbrain sells 1 in-app purchase, starting at $350.00 per month and JB transformations sells 1 in-app purchase, starting at $125.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Gymbrain ships an update every 2 months, JB transformations monthly. The most recent releases landed on May 17, 2026 and September 12, 2026 respectively.

ScorecardNo meaningful differences

Gymbrain versus JB transformations: the parameters behind the verdict, then further details
Parameter	Gymbrain	JB transformations
Price	Free	Free
Update frequency	Every 2 months	Monthly — better
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	50 MB	50 MB
Age rating	17+	17+
Developer	Ramon Limacher	Joshua bray

In-app purchases

1 purchases

Gymbrain

Subscriptions1

Online Coaching$350.001 Month

1 purchases

JB transformations

Subscriptions1

Online Coaching$125.991 Month

Questions

Is Gymbrain free?

Gymbrain is free to download, with in-app purchases available.

Is JB transformations free?

JB transformations is free to download, with in-app purchases available.

Do Gymbrain or JB transformations have ads?

Neither Gymbrain nor JB transformations shows ads.

Which is updated more often, Gymbrain or JB transformations?

Gymbrain ships an update every 2 months, and JB transformations monthly. Most recently, Gymbrain was updated on May 17, 2026 and JB transformations on September 12, 2026.