MuscleFlip
Muscle Growth Timelapse Diary
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Track proof of your progress and outgrow yesterday's self with powerful visual feedback.
"I've been training hard every day, but is my body really changing?"
"I want to see the results of my weight loss or bulk-up more clearly!"
MuscleFlip is a fitness tracking app developed for all gym-goers, lifters, and dieters to dramatically visualize their bodily evolution.
No tedious account registration, no forced social media integration. Snap a quick photo in the gym locker room or in front of your home mirror. Focus entirely on your body's transformation in a completely secure, private space.
◆ 2 Core Features of MuscleFlip
1. Custom "Comparison Images" with Millimeter-Perfect Adjustments
It does more than just place past and present photos side by side. You can intuitively resize (pinch-in/out) and move (drag) photos to freely adjust the layout, ratio, and positioning. Even if the camera angles or distances differ, you can align them perfectly to accurately compare and analyze muscle growth or waist trimming.
2. "Time-Lapse Video Generation" to Connect Your Evolutionary Journey
Convert your accumulated daily progress photos into a single timeline video (flipbook-style video) with just one tap. You can always look back at the motivating process of your body leaning out and your muscles growing bigger in one smooth video.
◆ 3 Features You’ll Love
No Login Required, Start Instantly: Start capturing and tracking your progress the moment you open the app.
100% Private & Secure: Your data is securely stored locally on your device. There is no forced sharing to social media.
Streamlined, Simple UI: By stripping away unnecessary clutter, the app focuses solely on "tracking" and "comparing" your physique, seamlessly fitting into your daily routine.
◆ Recommended For:
Anyone fully committed to weight training, bodybuilding, dieting, cutting, or bulking.
Those who want an honest, accurate comparison between their past and present selves.
Anyone looking to stock visual proof (before & after photos) to stay motivated.
People who want to keep a private progress journal without worrying about others' eyes.
Minor changes that are hard to notice just by looking in the mirror become undeniable proof of growth with MuscleFlip. Download now and take your fitness journey to the next stage!
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://takazakura.github.io/MuscleLog/privacy-policy.html
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Workout logging and routine planning are now easier to use.
- Resume or edit in-progress workouts from the top of the list, and start another workout whenever you like.
- Organize routines by training day or weekday. Create your own, build from past workouts, or add and delete multiple routines at once.
- Explore new five-day split routines for beginners and advanced lifters.
- Get a suggested training day based on recent workout history. Choose a different day or add exercises just for that session.
- Manually log food calories and exercise calories burned separately.
- Improved weight and rep entry fields and the Day label in time-lapse videos.
- Expanded English, Spanish, Korean, Simplified Chinese and Traditional Chinese translations.
The developer, Kiichi Takazakura, 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 Linked to You
The following data may be collected but it is not linked to your identity:
- Health & Fitness
- User Content
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Kiichi Takazakura
- Size
- 12.4 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
English and 5 more
- English, Japanese, Korean, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
9+
- 9+
- Contains
Advertising
Health or Wellness Topics
- In-App Purchases
Yes
- MuscleFlip Pro (Monthly) $2.99
- Copyright
- © 2026 MuscleFlip
