Box Class vs J17 Performance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Box Class
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Download the Box Class App today to plan and schedule your classes. From the app, you can view the class timetable, book into sessions, and stay up to date with everything happening at Box Class. Make the most of your time and enjoy the convenience of booking your classes straight from your phone. Download the Box Class App today and lock in your next session
J17 Performance
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Download the J17 Performance – Markham App today to plan and schedule your classes! From this mobile App, you can view class schedules and sign up for classes as well as view the studio’s location. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!
Screenshots
Verdict
Box Class and J17 Performance 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. Neither carries in-app purchases, so what you see is what you pay.
Box Class ships an update fortnightly, J17 Performance every 2 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.
| Parameter | Box Class | J17 Performance |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 191 MB | 192 MB |
| Age rating | 4+ | 4+ |
| Developer | BOXING CLASS HOLDINGS PTY LTD | 1000073741 Ontario Inc. |
In-app purchases
Box Class
No in-app purchases
J17 Performance
No in-app purchases
Questions
Is Box Class free?
Is J17 Performance free?
Do Box Class or J17 Performance have ads?
Which is updated more often, Box Class or J17 Performance?
Other comparisons
