PSMF Diet
Protein-Sparing Modified Fast
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
The only app built specifically for Protein-Sparing Modified Fasting. Calculate your macros, track refeeds, and protect your lean mass.
SUBSCRIPTION OPTIONS
PSMF Diet is available through the following plans:
- Weekly: $4.99 per week (includes 3-day free trial)
- Monthly: $14.99 per month (includes 7-day free trial)
- Lifetime: $99.99 one-time purchase
Payment is charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your Apple ID account settings.
Welcome to PSMF Diet — built from the ground up for the Protein-Sparing Modified Fasting protocol.
• Personalized PSMF macro calculator based on lean body mass
• Daily protein and water tracking with progress rings
• LBM floor displayed on your weight chart so you know exactly how much fat is safe to lose
• Refeed and diet break countdown scheduler, updated automatically from your start date
• Weight progress log with trend chart and statistics
• 30 rotating daily tips covering hydration, electrolytes, hunger management, refeeds, and more
• Built-in education section with detailed PSMF guides and expanded FAQ
• Supports imperial and metric units
• All data stored privately on your device
The developer, Clint Tustison, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Clint Tustison
- Size
- 2.2 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
16+
- 16+
- Frequent
Medical Treatment information
Contains
Health or Wellness Topics
- Copyright
- © 2026 Clint Tustison