Nine Under - Golf Performance
Health & Fitness
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Nine Under is a premium golf performance company that delivers science-driven training solutions for golfers seeking to elevate their game. We provide physical performance programming, virtual training platforms, and elite-level concierge coaching for serious and aspirational golfers nationwide. Our services include golf-specific fitness assessments, mobility and power development, swing performance optimization, and personalized coaching programs—both in-person and remote. Designed for transformation, Nine Under helps clients unlock greater distance, consistency, and longevity in the game. We serve recreational, competitive, and professional golfers who are committed to results.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Updated the app to the latest version to improve overall performance.
The developer, Joseph Terrill, 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 Linked to You
The following data may be collected and linked to your identity:
- Health & Fitness
- Financial Info
- Contact Info
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
- Other Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Joseph Terrill
- Size
- 42.4 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPod touch
Requires iOS 15.0 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.
- iPhone
- Languages
- English
- Age Rating
9+
- 9+
- Contains
Messaging and Chat
Health or Wellness Topics
- Copyright
- © 2026 Nine Under