# Mountainside Fitness App vs Source Performance

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.

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

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.

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.

## The numbers

| Metric | Mountainside Fitness App | Source Performance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (9.3K ratings)](https://appshunter.io/ios/app/mountainside-fitness-app/id1489604305/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/source-performance/id6590602459/reviews)** |
| Number of ratings | **9.3K** | 10 |
| Positive reviews | 55.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 120 MB | 180 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Smart Health Clubs](https://appshunter.io/developer/1333435433) | [Source Performance LLC](https://appshunter.io/developer/1760047672) |

## What reviewers say

### Mountainside Fitness App

[App page](https://appshunter.io/ios/app/mountainside-fitness-app/id1489604305)

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:** Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Clean facilities
- 👍 Great instructors
- 👍 Affordable prices
- 👍 Convenient locations
- 👍 Friendly staff

**What reviewers complain about**

- 🐛 Barcode entry not working
- 🐛 App crashes and malfunctions
- 🐛 Booking issues and waitlists
- 🐛 Slow and unresponsive app
- 🐛 Missing features (Apple Wallet, etc.)

**Reported bugs**

- Barcode not working
- Booking errors and data issues
- Waitlist functionality not working as expected
- App crashes and freezes
- Login and password reset problems

**Requested features**

- Add Apple Watch integration
- Improve class booking experience
- Provide better visibility of class spots
- Add food calorie tracking
- Integrate with Apple Wallet


### Source Performance

[App page](https://appshunter.io/ios/app/source-performance/id6590602459)

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:** Apple Wallet

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*