Build Muscle Strength Training vs Performance Dynamics
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Build Muscle Strength Training
This app offers structured strength training programs designed to help users build muscle and avoid plateaus. It provides audio guidance, instructional videos, and customized weekly workouts, with an optional coaching feature that combines music and trainer motivation.
- Progression training programs
- Works all major muscle groups
- Audio guidance from digital trainer
- Customized weekly workouts
- HD instructional videos
- Offline workout capability
- Fitivity Coaching feature
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This app will help you get ripped. If you are serious about building muscle, then this is the program for you! The programs take you through progression training so that you never plateau and work all major muscle groups! This app uses proven routines to help you maximize your results and put on muscle in the shortest possible time frame. Your Fitivity app has multiple training programs in it for strength training! Switch between programs that were designed specifically for you! In addition to your weekly workouts, try out Fitivity COACHING! Coaching is a highly engaging exercise experience that combines mixes by DJ's and super motivating trainers to push you through workouts. โข Audio guidance from your personal digital trainer โข Customized workouts designed for you each week. โข For each workout you are provided with HD instructional videos to preview & learn training techniques. โข Stream workouts online or do workouts offline. Subscription Details For your convenience, subscription charges will be processed through your iTunes account, ensuring a seamless and secure payment experience. You can manage your subscription at any time, giving you full control over your membership. Should you decide to cancel, simply do so at least 24 hours before the end of your current subscription period to avoid auto-renewal. โข Payment is charged to your iTunes account at confirmation of purchase. โข Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. You can turn off the auto-renew subscription from your device settings. โข Account will be charged for renewal within 24 hours before the end of the current period. โข Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. โข Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. To manage your subscription or turn off auto-renewal on your iPhone: 1. Open the Settings app 2. Tap your name or Apple ID 3. Tap Subscriptions 4. Tap the subscription you want to manage 5. Use the options to manage your subscription Privacy Policy and Terms of Use: https://www.loyal.app/privacy-policy
Performance Dynamics
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Guiding you through your health and fitness journey! - Book classes online in just a few clicks - Create your own exercise programmes or select from a range provided by the club - Track your progress from all your workouts - Keep track of your body measurements and progress - Take part in regular fitness challenges - Contact club staff directly - Interact and get to know your fellow members - See all the latest club news, offers and events - Refer Friends to the club online - Recipes Library - Video Workout Library Apple Health App Integration Track your progress with our HealthKit app integration to import and measure your daily steps, distance or calories burnt. Also use HealthKit to import your data from a range of different wearable devices.
Screenshots
Verdict
The clearest difference is in-app purchases: Performance Dynamics at none against Build Muscle Strength Training's 10. Build Muscle Strength Training's advantage is update cadence (monthly vs every 9 months) and device support. On price and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Build Muscle Strength Training sells 10 in-app purchases, starting at $0.99 per month. Performance Dynamics asks for nothing beyond the download.
Build Muscle Strength Training ships an update monthly, Performance Dynamics every 9 months. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.
| Parameter | Build Muscle Strength Training | Performance Dynamics |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 30.0% of reviews | โ |
| Update frequency | Monthly โ better | Every 9 months |
| Ads | Yes | โ |
| In-app purchases | Yes | No โ better |
| Monetization | Free with in-app purchases | โ |
| Devices | iPhone, iPad, iPod โ better | โ |
| Requires iOS | 15.0 | 14.0 โ better |
| Further details โ not scored | ||
| Size | 111 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Loyal Health & Fitness, Inc. | TeamUp Sports |
In-app purchases
Build Muscle Strength Training
- Monthly Subscription3 Days trial$0.991 Month
- Fitivity Premium7 Days trial$1.991 Month
- Yearly Subscription$5.991 Year
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- Yearly Subscription7 Days trial$9.491 Year
- Entire Program - Ripped Body$4.99
- Entire Program - Triceps, Biceps & Forearms$4.99
- Entire program - Chest Muscles$4.99
Show 3 moreShow fewer
- Entire Program - Six Pack$4.99
- Entire Program - Toned Butt$4.99
- Purchase levels of all programs$14.99
Performance Dynamics
No in-app purchases
Questions
Is Build Muscle Strength Training free?
Is Performance Dynamics free?
Which is updated more often, Build Muscle Strength Training or Performance Dynamics?
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