# Muscle Stamp — One-tap workout log > Simple one-tap workout logging and progress tracking for muscle groups. (iPhone/iPad app by Kazuki Ohya.) - Source: https://appshunter.io/ios/app/muscle-stamp/id6780130811 (this page in markdown: same URL + `.md`) - Developer: [Kazuki Ohya](https://appshunter.io/developer/6780130813) - Category: Health & Fitness - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 42 MB - Languages: American English, Japanese - Released: 2026-06-21 - Data updated: 2026-08-29 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/muscle-stamp/id6780130811/reviews.md ## What is Muscle Stamp? MuscleStamp is the dead-simple way to track your training. No weights to log, no sets to count, no rest timers to fuss over. Just tap a stamp for the muscle group you trained today—and you're done. WHY MUSCLESTAMP - One tap to log. Six color-coded stamps for chest, back, shoulders, arms, legs, and abs. That's the whole interface. - Set goals at your own pace. Decide how many times a week you want to train each muscle group. No pressure, no rigid programs—just targets that fit your life. - Watch your streak grow. Every workout fills in your calendar. Seeing the days stack up is the motivation that keeps you coming back. - See all your progress. Total days trained, goal weeks hit, your best streak, and reps per muscle group—all your hard work, in one place. - A built-in timer. Time your sessions right inside the app, no need to switch to another timer. - Body-specific training programs (Pro). Dedicated menus for chest, arms, and abs. Just pick your training days, and today's menu shows up automatically—difficulty scales itself across 8 levels as you keep going. Whether you're new to the gym or already grinding, MuscleStamp keeps tracking out of your way so you can focus on the work. No accounts. No clutter. Just tap and go. ABOUT THE PRO PLAN The Pro plan is a monthly auto-renewing subscription. While subscribed, you get access to all published body-specific training programs (including any added in the future). After a 14-day free trial, it automatically converts to a paid subscription priced at $3.99/month (displayed price may vary by region—check the in-app purchase screen for details). Unless cancelled at least 24 hours before the end of the free trial or the current billing period, the subscription renews automatically and you will be charged. You can cancel anytime from your App Store account settings. Individual training programs are also available as one-time purchases. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Stamp it. That's all. ## Key features - One-tap muscle group logging - Personalized weekly training goals - Workout streak tracking - Progress visualization - Built-in session timer ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/muscle-stamp/id6780130811/reviews.md ### 5/5 — Great App!! *2026-06-28* Really good app for people who like keeping things simple and just tracking their workouts **Developer response:** Thank you for using our app! We're glad to hear that. We will try to keep things simple and make it better. ## Frequently asked questions about Muscle Stamp ### How does Muscle Stamp work? Muscle Stamp allows you to log workouts by simply tapping a color-coded stamp for the muscle group you trained. There are no weights, sets, or rest timers to fuss over, making it a dead-simple way to track your training. ### Can I set goals in Muscle Stamp? Yes, you can set goals at your own pace. Decide how many times a week you want to train each muscle group, with targets that fit your life rather than rigid programs. ### What kind of progress can I see in Muscle Stamp? Muscle Stamp shows your total days trained, goal weeks hit, your best streak, and reps per muscle group, offering a clear overview of all your hard work. ### Does Muscle Stamp have ads? No, Muscle Stamp is ad-free, allowing for an uninterrupted tracking experience. ### What devices does Muscle Stamp support? Muscle Stamp is currently supported on iPhone devices. ### How often is Muscle Stamp updated? The latest version is 2.10, and the app was last updated on July 11, 2026, indicating active development and support. ### Is Muscle Stamp suitable for beginners? Yes, Muscle Stamp is designed to be simple and keep tracking out of your way, making it ideal for those new to the gym or anyone who wants a no-fuss tracking method. ### Does Muscle Stamp require an account? No, Muscle Stamp does not require any accounts, offering a clutter-free and immediate user experience. ## Version history (last 5 releases) ### 3.10 — 2026-08-24 Commit to your team, then deliver. • Tell your team "I'll train today" • Keep your word, and your team's weekly board fills up • Reach the team goal, and everyone gets the celebration • Daily reminders can now be set up right from the intro • Fixed sound effect issues ### 3.00 — 2026-08-18 New: Body-specific training programs. Dedicated menus for chest, arms, and abs. Pick your days, and today's workout shows up automatically. • 8 levels of progressive load — the more you train, the harder it gets • Not feeling it? Swap to a different menu in one tap • Finishing a workout also logs the matching stamp automatically • With Pro, run multiple programs at once, each on its own schedule Try it free for 14 days. ### 2.20 — 2026-08-06 [Introducing My Exercises] Now you can log not just which muscle groups you trained, but exactly what exercises you did. Register your favorite exercises for each muscle group, then tap to record them after your workout. Look back at your calendar and see exactly what you trained — at a glance. Same simplicity. Deeper records. --- · Added daily reminder notifications. Set your own message to motivate yourself at just the right time. ### 2.10 — 2026-07-11 Introducing Muscle Gauge See how many days until your next rank right from the Achievements tab-your gauge fills up with every workout you log. New Getting-Started Guide A quick onboarding walkthrough plus a Start Checklist to guide you through your first steps. Also includes an enhanced weekly goal celebration, cheer improvements, and minor bug fixes. ### 2.00 — 2026-07-08 Keeping it up is easier together. A big update that connects you with your workout friends. ■ Community See how your team and friends are doing. When you know others are showing up, you want to show up too. ■ Send a Cheer Cheer on your friends with a single tap. Your cheer reaches them as a notification—because encouragement should actually land. ■ A Safer Timer Accidentally discarded a record? Just tap "Undo" to restore it. Your hard-earned time is never lost. Let's keep going—together. Thanks for training with Muscle Stamp. --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*