# CORE40 AMSTERDAM vs X

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.

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.

## The numbers

| Metric | CORE40 AMSTERDAM | X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (445 ratings)](https://appshunter.io/ios/app/x-core/id1510988573/reviews)** |
| Number of ratings | — | **445** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 197 MB | 38 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CORE40 CENTRUM B.V.](https://appshunter.io/developer/1487030741) | [X-Core, LLC](https://appshunter.io/developer/1479474176) |

## What reviewers say

### CORE40 AMSTERDAM

[App page](https://appshunter.io/ios/app/core40-amsterdam/id1487030742)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### X

[App page](https://appshunter.io/ios/app/x-core/id1510988573)

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.

**Highlights:** Book classes, View waitlist status, Purchase class packages, Pre-buy goodies, High-intensity cardio, Low-impact strength training

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CORE40 AMSTERDAM free?

CORE40 AMSTERDAM is free to download, with no in-app purchases.

### Is X free?

X is free to download, with no in-app purchases.

### Do CORE40 AMSTERDAM or X have ads?

Neither CORE40 AMSTERDAM nor X shows ads.

### Which is updated more often, CORE40 AMSTERDAM or X?

CORE40 AMSTERDAM ships an update monthly, and X every 3 weeks. Most recently, CORE40 AMSTERDAM was updated on October 24, 2026 and X on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*