MuscleFlip
Kiichi Takazakura Health & Fitness iPhoneiPadiPod touch
MuscleFlip is a free Health & Fitness app for iPhone and iPad by Kiichi Takazakura. Requires iOS 17.6. Updated September 24, 2026.
- Price
- Free
- on the App Store
- Size
- 12 MB
- Age 4+
- Updated
- Sep 24
- 2026 · v1.2.1
Screenshots
About MuscleFlip
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
What’s new
Version 1.2.1 · Updated September 24, 2026
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.
App privacy
The developer, Kiichi Takazakura, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Health & Fitness: Health, Fitness
- User Content: Photos or Videos
Used for: App Functionality
Alternatives to MuscleFlip
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| MuscleFlip | – | Free | September 24, 2026 | |
| MIYABe - Acquire graceful move | – | Free | Aug 24, 2026 | Compare |
| FormLapse: Body Progress Pics | 5.0 / 5 (1) | Free | Oct 8, 2026 | Compare |
| TempoWalk: Interval Walking | – | Free | Mar 22, 2026 | Compare |
| 毅起练 - 专注力量训练和饮食管理 | – | Free | Jun 10, 2026 | Compare |
| 筋トレ記録 筋録組|ボリューム管理と1RMで筋肥大。広告なし | – | Free | Oct 3, 2026 | Compare |
| Bodyweight Workouts at HomeGym | 4.6 / 5 (54) | Free | Jan 23, 2026 | Compare |
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