
Castle Flexx
Keep moving...
Only for iPhone
Free · Designed for iPhone
iPhone
The Future of Mobility is here. We design award winning devices that address the root cause of common chronic pain issues.
We've kept our app very simple: Shop or Train (FlexxLab)
Chronic Pain issues we address:
Plantar Fasciitis
Back Pain (L4 L5)
Shoulder Impingement
Hip Pain
Tight Calves
Tight Hamstrings
Achilles
Wrist and forearm
Tech Neck
• New and improved user accounts
• Easier and faster checkout
• View and keep track of your orders
The developer, Castle Flexx, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Contact Info
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Castle Fit Corporation
- Size
- 54.7 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
English and 27 more
- English, Arabic, Croatian, Czech, Dutch, Filipino, Finnish, French, German, Hebrew, Hindi, Hungarian, Icelandic, Indonesian, Italian, Japanese, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Simplified Chinese, Slovak, Spanish, Swedish, Thai, Traditional Chinese, Turkish
- Age Rating
4+
- 4+
- Copyright
- © 2025 Castle Fit Corporation