Comparison

Mountainside Fitness App vs Source Performance

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mountainside Fitness App

Access class schedules, register for special programs, and track your fitness progress. Sync with popular devices and use your phone for club check-ins. Manage your health data securely.

Highlights
  • Check class schedules
  • Add classes to calendar
  • Register for Peak Performance classes
  • Create personal goals
  • Track workouts
  • Sync with fitness trackers
  • Digital membership card for check-in
Features
Read full description

Welcome to the Mountainside Fitness app! Mountainside Fitness is Arizona’s largest locally owned health club chain, with locations throughout the Valley. The app allows our members to check class schedules at all of our locations, add a class to your calendar, and register for Peak Performance classes. Create personal goals and track your workouts both in the club and on the go. Our app allows members to sync with popular fitness tracking devices to stay motivated. And no need to carry a membership card, members are able to check in to the club with our app. Mountainside Fitness app uses the Health app that is pre-installed on your iPhone to sync nutrients and workouts data. Because of this, the app will ask you to grant read and write access to your nutrients and workouts data. Your Health sync data is only visible to you and is not sent to anyone but yourself.

About

Source Performance

This app provides personalized workout programs and tracks your fitness journey. Monitor workouts, nutrition, habits, and measurements with coach support. Achieve your health goals with guided exercises and progress tracking.

Highlights
  • Access and track training plans
  • Follow exercise and workout videos
  • Track meals and food choices
  • Monitor daily habits
  • Set and track health goals
  • Message your coach in real-time
  • Track body measurements and progress photos
Features
Read full description

With the Source Performance App, you will have access to workout programs designed specifically to help you reach your fitness and health goals! You can follow & track your workouts, your nutrition, your lifestyle habits, measurements and results–all with the help of your coach. FEATURES: - Access training plans and track workouts - Follow along to exercise and workout videos - Track your meals and make better food choices - Stay on top of your daily habits - Set health and fitness goals and track progress towards your goals - Gain milestone badges for achieving new personal bests and maintaining habit streaks - Message your coach in real-time - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect your Apple Watch to track workouts, steps, habits, and more right from your wrist - Connect to other wearable devices and apps like the Apple Health App, Garmin, Fitbit, MyFitnessPal, and Withings devices to track workouts, sleep, nutrition, and body stats and composition Download the app today!

Screenshots

Mountainside Fitness App4 screens
Source Performance4 screens

Verdict

The call

Mountainside Fitness App and Source Performance both sit at 4.9 stars, but that hides the real split: 100% of Source Performance's written reviews are positive against 56% of Mountainside Fitness App's. Mountainside Fitness App's advantage is ratings volume (9.3K vs 10) and update cadence (fortnightly vs every 2 months). On price, rating, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Mountainside Fitness App against 5.0 for Source Performance. That said, the two scores are not equally well evidenced: Mountainside Fitness App has 9.3K ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 56% of Mountainside Fitness App's written reviews are positive against 100% of Source Performance's.

UpkeepUpdate frequency

Mountainside Fitness App ships an update fortnightly, Source Performance every 2 months. The most recent releases landed on October 29, 2026 and October 23, 2026 respectively.

Scorecard3 real differences · 7 level
Mountainside Fitness App versus Source Performance: the parameters behind the verdict, then further details
ParameterMountainside Fitness AppSource Performance
PriceFreeFree
Rating4.9 (9.3K ratings)5.0 (10 ratings) — better
Positive reviews55.6% of reviews100.0% of reviews — better
Number of ratings9.3K — better10
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS14.0 — better15.1
Further details — not scored
Size120 MB180 MB
Age rating4+4+
DeveloperSmart Health ClubsSource Performance LLC

Customer experience

Mountainside Fitness App

All ratings9,222 ratings
Positive97.4%
Neutral1.2%
Negative1.3%
Written reviews117 reviews
Positive55.6%
Neutral5.1%
Negative39.3%

Source Performance

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Mountainside Fitness App

Reported bugs

6 issues
  • Barcode not working
  • Booking errors and data issues
  • Waitlist functionality not working as expected
  • App crashes and freezes
  • Login and password reset problems
Show 1 more
  • Incorrect class schedules and availability

Requested features

7 requests
  • Add Apple Watch integration
  • Improve class booking experience
  • Provide better visibility of class spots
  • Add food calorie tracking
  • Integrate with Apple Wallet
Show 2 more
  • Enhance app stability and reliability
  • Improve user interface and navigation

Source Performance

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mountainside Fitness App

No in-app purchases

None

Source Performance

No in-app purchases

Questions

Is Mountainside Fitness App free?
Mountainside Fitness App is free to download, with no in-app purchases.
Is Source Performance free?
Source Performance is free to download, with no in-app purchases.
Which has better reviews, Mountainside Fitness App or Source Performance?
Source Performance is rated higher. Mountainside Fitness App averages 4.9 out of 5 from 9.3K ratings, while Source Performance averages 5.0 from 10 ratings.
Do Mountainside Fitness App or Source Performance have ads?
Neither Mountainside Fitness App nor Source Performance shows ads.
Which is updated more often, Mountainside Fitness App or Source Performance?
Mountainside Fitness App ships an update fortnightly, and Source Performance every 2 months. Most recently, Mountainside Fitness App was updated on October 29, 2026 and Source Performance on October 23, 2026.

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