About this app
With the The Castle MetroFlex Gym App, you can manage your membership details so you can work to achieve your fitness goals. - Access digital membership pass - Edit personal information and view membership details - Stay up-to-date with announcements from your club Download the app today! Features connectivity to Apple Watch (synced to HealthKit app)
Latest release
What’s New
Bug fixes and performance updates.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 6, 2026 · 7:57 PM Free
Screenshots
