Comparison

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.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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. โ€ข Audio guidance from your personal digital trainer โ€ข Customized workouts designed for you each week. โ€ข For each workout you are provided with HD instructional videos to preview & learn training techniques. โ€ข 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. โ€ข Payment is charged to your iTunes account at confirmation of purchase. โ€ข 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. โ€ข Account will be charged for renewal within 24 hours before the end of the current period. โ€ข Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. โ€ข 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

About

Performance Dynamics

Read full description

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

Build Muscle Strength Training4 screens
Performance Dynamics4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences ยท 5 level
Build Muscle Strength Training versus Performance Dynamics: the parameters behind the verdict, then further details
ParameterBuild Muscle Strength TrainingPerformance Dynamics
PriceFreeFree
Positive reviews30.0% of reviewsโ€”
Update frequencyMonthly โ€” betterEvery 9 months
AdsYesโ€”
In-app purchasesYesNo โ€” better
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPad, iPod โ€” betterโ€”
Requires iOS15.014.0 โ€” better
Further details โ€” not scored
Size111 MB55 MB
Age rating4+4+
DeveloperLoyal Health & Fitness, Inc.TeamUp Sports

In-app purchases

10 purchases

Build Muscle Strength Training

Subscriptions4
  • Monthly Subscription3 Days trial$0.991 Month
  • Fitivity Premium7 Days trial$1.991 Month
  • Yearly Subscription$5.991 Year
Show 1 more
  • Yearly Subscription7 Days trial$9.491 Year
One-time6
  • Entire Program - Ripped Body$4.99
  • Entire Program - Triceps, Biceps & Forearms$4.99
  • Entire program - Chest Muscles$4.99
Show 3 more
  • Entire Program - Six Pack$4.99
  • Entire Program - Toned Butt$4.99
  • Purchase levels of all programs$14.99
None

Performance Dynamics

No in-app purchases

Questions

Is Build Muscle Strength Training free?
Build Muscle Strength Training is free to download, with in-app purchases available.
Is Performance Dynamics free?
Performance Dynamics is free to download, with no in-app purchases.
Which is updated more often, Build Muscle Strength Training or Performance Dynamics?
Build Muscle Strength Training ships an update monthly, and Performance Dynamics every 9 months. Most recently, Build Muscle Strength Training was updated on October 3, 2026 and Performance Dynamics on October 9, 2026.

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