Muscles vs Flexlings
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Muscles
This app offers a streamlined and intuitive way to log your exercise sessions. Easily track your progress with visual analytics and motivational graphs. Its beautiful interface makes fitness tracking enjoyable for all levels.
- Effortless workout logging
- Customizable exercise tracking
- Progress visualization with graphs
- Insightful analytics and statistics
- Beautiful and minimalist interface
- Dashboard widgets for quick insights
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Introducing Muscles: Your Ultimate Workout Companion Muscles is a sleek and intuitive mobile application designed to revolutionize how you track and view your workouts. With its user-friendly interface and powerful features, Muscles makes it effortless to monitor your fitness journey and achieve your goals with ease. Simplicity Redefined: Say goodbye to complicated workout tracking apps cluttered with unnecessary features. Muscles offers a minimalist and streamlined interface, ensuring that tracking your workouts is as simple as a few taps. Whether you're a seasoned gym enthusiast or just starting your fitness journey, Muscle's intuitive design makes it accessible to users of all levels. Effortless Tracking: With Muscles, tracking your workouts has never been easier. Simply select your exercise (or create one), enter reps for each set, and voila! Muscles automatically logs your sessions, allowing you to focus on what matters most - your workout. View Progress at a Glance: Stay motivated and track your progress effortlessly with Muscle’s comprehensive analytics. Visualize your workout history and monitor your improvements over time for each exercise. Muscles provides insightful graphs and statistics, allowing you to see how far you’ve come and where you’re headed on your fitness journey. With the dashboard widgets, you’ll get more insight in areas of interest. Beautiful Interface: Who said tracking workouts couldn’t be visually stunning? Muscles combines functionality with aesthetics, offering a beautifully designed interface that enhances your user experience. From vibrant color theming to smooth animations, every aspect of Muscles is crafted to delight your senses and make your fitness journey enjoyable. With Muscles, achieving your fitness goals has never been more convenient or enjoyable. Download Muscles now and take the first step towards a healthier, happier you!
Flexlings
Transform your real-world workouts into an epic RPG adventure. Earn XP for every step, lift, and calorie burned to power up your creature and battle friends. Features AI nutrition tracking and real-time progress updates to keep you motivated.
- Sync with Apple HealthKit
- Train and evolve unique creatures
- Battle friends with real fitness stats
- AI food photo scanning
- XP, levels, and achievements
- Real-time leaderboards
- Push notifications
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The fitness app that turns your real-world workouts into an epic RPG adventure. Every step you take, every weight you lift, and every calorie you burn earns your Flexling XP, powering them up to battle your friends. Connect your Apple Health or fitness tracker and watch your real effort translate directly into in-game progress. TRAIN YOUR FLEXLING Your workouts fuel your creature's growth. The harder you train, the stronger your Flexling becomes. Log exercises, track steps, and sync your health data automatically - every workout counts. BATTLE FRIENDS Challenge friends to real battles where your actual fitness stats determine who wins. Who has been putting in the work? Now you will know. AI NUTRITION TRACKING Snap a photo of your meal and our AI instantly analyzes its nutritional content. No more manual logging - just eat, snap, and level up smarter. REAL-TIME PROGRESS Watch your XP bar fill in real time as you crush your workouts. Hit milestones, unlock achievements, and level up your Flexling with every personal best. STAY MOTIVATED Custom notifications keep you on track. Celebrate wins, get reminders, and cheer on your friends as they hit new milestones. FEATURES: - Sync with Apple HealthKit for automatic workout tracking - Train and evolve your unique Flexling creature - Battle friends using your real fitness stats - AI-powered food photo scanning for nutrition tracking - XP, levels, and achievement system - Real-time leaderboards and social features - Push notifications and milestone alerts - 8-bit retro-inspired design Whether you are a gym veteran or just starting your fitness journey, Flexlings makes every workout feel like an adventure. Level up your health - one rep at a time. Download Flexlings today and start your journey! ——— Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://flexling.xyz/privacy Flexlings Pro is an auto-renewing subscription. Monthly $4.99/mo. Annual $39.99/yr. Payment is charged to your Apple ID at confirmation. Subscriptions auto-renew unless turned off at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID account settings.
Screenshots
Verdict
The clearest difference is device support: Flexlings at 3 against Muscles's 1. Flexlings also leads on iOS requirement (15.1 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Muscles sells 1 one-off in-app purchase and Flexlings sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Muscles against 5.0 for Flexlings. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.
| Parameter | Muscles | Flexlings |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 — better | 2 |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 64 MB |
| Age rating | 4+ | 12+ |
| Developer | Nathan Armstrong | Latent Space Labs |
Customer experience
Muscles
Flexlings
In-app purchases
Muscles
- Full Access$4.99
Flexlings
- Flexling Pro7 Days trial$4.991 Month
- Flexling Pro$39.991 Year









