CORE40 AMSTERDAM vs X
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CORE40 AMSTERDAM
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Download the CORE40 Amsterdam App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, as well as view the studio’s location information. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today! Check out our website at core40.nl for more info.
X
Book fitness classes, manage waitlists, and purchase class packages. Experience high-intensity, low-impact cardio and strength training designed to burn fat and build muscle efficiently.
- Book classes
- View waitlist status
- Purchase class packages
- Pre-buy goodies
- High-intensity cardio
- Low-impact strength training
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Your new best friend to book classes, see waitlist status, buy packages, pre-buy goodies, and more! The Bay Area's most efficient CARDIO & STRENGTH classes to burn fat, kick-start metabolism, and build strength. Classes are intense on the muscles, and zero to low impact on your body. It's the perfect balance. 30 min in our beat-based xCLIMB class will make you sweat and leave you shredded. 40 min in xBURN, our award winning high intensity pilates class, will strengthen, lengthen and tone your muscles.
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Verdict
CORE40 AMSTERDAM and X 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.
CORE40 AMSTERDAM ships an update monthly, X every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | CORE40 AMSTERDAM | X |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (445 ratings) — better |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | — | 445 — better |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 197 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | CORE40 CENTRUM B.V. | X-Core, LLC |
In-app purchases
CORE40 AMSTERDAM
No in-app purchases
X
No in-app purchases
