The Dr vs JB transformations
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Dr
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Online Coaching with Dr Studelhausen In this app: - Messaging - View Plans - Check-Ins - Daily Habits - Log Workouts * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
JB transformations
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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
Verdict
The Dr 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
Both are free to download. The Dr sells 1 in-app purchase, starting at $200.00 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.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on June 11, 2026 and September 12, 2026 respectively.
| Parameter | The Dr | JB transformations |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Monthly |
| 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 | Grant Tighe | Joshua bray |
In-app purchases
The Dr
- Online Coaching$200.001 Month
JB transformations
- Online Coaching$125.991 Month
Questions
Is The Dr free?
Is JB transformations free?
Do The Dr or JB transformations have ads?
Which is updated more often, The Dr or JB transformations?
Other comparisons
