# World Class vs MDC NRG

The clearest difference is review sentiment: World Class at 69% against MDC NRG's 0%. World Class also leads on rating (4.8 vs 3.5) and update cadence (monthly vs every 32 months). MDC NRG's advantage is device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

World Class holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: World Class has 278 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 69% of World Class's written reviews are positive against 0% of MDC NRG's.

World Class ships an update monthly, MDC NRG every 32 months. The most recent releases landed on September 22, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | World Class | MDC NRG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (278 ratings)](https://appshunter.io/ios/app/world-class/id1626481753/reviews)** | [3.5 (4 ratings)](https://appshunter.io/ios/app/mdc-nrg/id6463720030/reviews) |
| Number of ratings | **278** | 4 |
| Positive reviews | **68.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 32 months |
| Monetization | Free | Free |
| Size | 415 MB | 22 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sport Forum LLC, World Class fitness clubs of premium class](https://appshunter.io/developer/412624774) | [Lev Ovanoglyan](https://appshunter.io/developer/1693327922) |

## What reviewers say

### World Class

[App page](https://appshunter.io/ios/app/world-class/id1626481753)

This app helps users navigate fitness club services and stay motivated for regular workouts. It provides easy access to club information, class schedules, personal training bookings, and SPA services. Track your activity and manage your membership details all in one place.

**Highlights:** Activity tracking and statistics, QR code for club entry, Workout and SPA service goals, Group class schedule with filters, Personal training and SPA booking, Membership card and payment management

**In-app purchases:** none


### MDC NRG

[App page](https://appshunter.io/ios/app/mdc-nrg/id6463720030)

Manage your fitness schedule, view active memberships, track attendance, and book classes. This app also allows for the rental of halls within MDC NRG.

**Highlights:** View class schedules, Manage active memberships, Track attendance, Book classes, Rent halls

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is World Class free?

World Class is free to download, with no in-app purchases.

### Is MDC NRG free?

MDC NRG is free to download, with no in-app purchases.

### Which has better reviews, World Class or MDC NRG?

World Class is rated higher. World Class averages 4.8 out of 5 from 278 ratings, while MDC NRG averages 3.5 from 4 ratings.

### Do World Class or MDC NRG have ads?

Neither World Class nor MDC NRG shows ads.

### Which is updated more often, World Class or MDC NRG?

World Class ships an update monthly, and MDC NRG every 32 months. Most recently, World Class was updated on September 22, 2026 and MDC NRG on August 19, 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.*