GymSync vs MJ Coaching
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GymSync
Easily book and manage fitness classes at your gym. View schedules, reserve spots, and receive timely reminders. Get instant notifications for cancellations and reserve list openings.
- View class timetables
- Book and cancel classes
- Join reserve lists
- Class reminders
- Instant notifications
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PLEASE NOTE THIS APP WILL ONLY WORK IF YOUR GYM IS CURRENTLY USING GYMSYNC. Book fitness classes with just the touch of a button, anytime, anywhere! If your gym is already signed up to GymSync, download the app and you’re all set to view timetables, book and manage your fitness classes. Contact your gym to find out of they're signed up to GymSync. Features * View class timetables for your gym * Book and cancel your attendance for your favourite classes * Add yourself to a reserve list for classes that are fully booked * Get timely reminders for your classes, so you never forget your kit! * Get instant notifications for reserve place availability, and class cancellations. On the go, instant, hassle free class booking.
MJ Coaching
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Physique and Lifestyle Coach 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
Screenshots
Verdict
The clearest difference is in-app purchases: GymSync at none against MJ Coaching's 1. GymSync also leads on update cadence (weekly vs monthly). 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
Both are free to download. MJ Coaching sells 1 in-app purchase, starting at $299.99 per month. GymSync asks for nothing beyond the download.
GymSync ships an update weekly, MJ Coaching monthly. The most recent releases landed on September 30, 2026 and September 25, 2026 respectively.
| Parameter | GymSync | MJ Coaching |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 29.4% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Monthly |
| 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 | 40 MB | 50 MB |
| Age rating | 4+ | 17+ |
| Developer | SD17 | Matthew James |
In-app purchases
GymSync
No in-app purchases
MJ Coaching
- Basic plan$299.991 Month
Questions
Is GymSync free?
Is MJ Coaching free?
Do GymSync or MJ Coaching have ads?
Which is updated more often, GymSync or MJ Coaching?
Other comparisons
