SIEFIT vs HYROX Performance by CKF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SIEFIT
Manage your gym membership and class bookings with ease. This app allows members to reserve spots in fitness classes, sign up for gym events, and handle account details like updating payment information and personal photos.
- Reserve class spots
- Sign up for gym events
- Update account information
- Manage payment details
- Update profile photos
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For members of Siefit to reserve their place in a class, sign up for gym events, and general account management like updating headshots and credit card on file.
HYROX Performance by CKF
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Download the HYROX Performance by CKF 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
The clearest difference is update cadence: SIEFIT at fortnightly against HYROX Performance by CKF's every 2 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
SIEFIT ships an update fortnightly, HYROX Performance by CKF every 2 months. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.
| Parameter | SIEFIT | HYROX Performance by CKF |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 74 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | PushPress, Inc. | Wuebker Fitness, Inc. |
In-app purchases
SIEFIT
No in-app purchases
HYROX Performance by CKF
No in-app purchases
Questions
Is SIEFIT free?
Is HYROX Performance by CKF free?
Do SIEFIT or HYROX Performance by CKF have ads?
Which is updated more often, SIEFIT or HYROX Performance by CKF?
Other comparisons
