Retain: Macros & Muscle

Retain: Macros & Muscle

Macro tracking. Keep muscle.

3 ratings
2 reviews
Free

Details

  • Released
  • Updated
  • June 25, 2026
  • June 25, 2026
Retain: Macros & Muscle screenshot #1 for iPhone
Retain: Macros & Muscle screenshot #2 for iPhone
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Retain: Macros & Muscle screenshot #5 for iPhone
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About

This app helps you lose fat while preserving muscle, offering personalized protein and calorie targets. It features simple food logging, strength training routine building, and progress tracking beyond just weight.

Muscle-first calorie and protein targets
Simple food logging with large database
Strength training routine builder
Muscle-focused workout tracking
Progress tracking (weight, measurements, photos)
Optional GLP-1 medication tracking
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What's New in Retain

1.0

June 25, 2026

User reviews

Love!

Love the convenience of this app. It provides a lot of small details that other apps don’t and instead of having multiple apps this has it all. I also like how it tracks a cycle and helps with the workout.

Best macro tracker for keeping muscle

Retain is exactly what I wanted in a fitness app: a simple macro tracker that focuses on losing fat without losing muscle. The food logging is quick, protein and calorie goals are easy to understand, and I like that it connects nutrition with strength training instead of just counting calories. Being able to track workouts, sets, body weight, measurements, and progress photos in one place makes it much easier to stay consistent. Great app for anyone cutting, tracking macros, trying to hit protein goals, or using a calorie tracker while lifting.

I pulled the main keywords from the App Store listing: macro tracking, muscle-first targets, food logging, strength training, progress tracking, and GLP-1 tracking
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FAQ

What makes Retain different from other diet apps?

Retain prioritizes muscle preservation during fat loss with specific protein and calorie targets. It also integrates strength training tracking and progress monitoring beyond just the scale.

Can Retain help me build muscle?

Yes, Retain is designed to help you keep muscle while losing fat. It allows you to build strength training routines, log your sets, and track progress by muscle group.

Is Retain free to use?

Yes, Retain is completely free to use. All features, including food and workout tracking, muscle breakdowns, and progress tools, are available without charge.

Does Retain offer support for GLP-1 medication users?

Yes, Retain offers optional tracking for GLP-1 medication days and how you feel throughout the week, providing an additional layer of wellness monitoring.

What kind of progress can I track with Retain?

You can track your weight, body measurements, and progress photos. The app also tracks your workout sets by muscle group to show what you've worked and what needs more attention.

Does Retain provide medical advice?

No, Retain is a wellness and fitness tracker and does not provide medical advice, diagnosis, or treatment. Always consult your doctor for medical or medication guidance.

What devices does Retain support?

Retain is currently supported on iPhone and iPod devices.

How often is Retain updated?

Retain was last updated on June 25, 2026, with version 1.0. Further update frequency is not specified in the provided data.