# Contrast Studio vs OZA

The clearest difference is update cadence: OZA at every 3 weeks against Contrast Studio's every 6 months. Contrast Studio's advantage is ratings volume (62 vs 3). 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 — 5.0 for Contrast Studio against 5.0 for OZA. That said, the two scores are not equally well evidenced: Contrast Studio has 62 ratings behind it against 3, so its average is the more settled of the two.

Contrast Studio ships an update every 6 months, OZA every 3 weeks. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Contrast Studio | OZA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (62 ratings)](https://appshunter.io/ios/app/contrast-studio/id6752330801/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/oza/id6780628378/reviews) |
| Number of ratings | **62** | 3 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 55 MB | 38 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Momence, Inc.](https://appshunter.io/developer/1577856011) | [Bod Lagree LLC](https://appshunter.io/developer/6780628380) |

## What reviewers say

### Contrast Studio

[App page](https://appshunter.io/ios/app/contrast-studio/id6752330801)

Easily manage your account, book classes, and stay connected with studio updates. Message the studio directly and follow their public feed for announcements and promotions.

**Highlights:** Account management, Class and event booking, Direct messaging, Public feed for announcements, Promotions and content sharing

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

**In-app purchases:** none


### OZA

[App page](https://appshunter.io/ios/app/oza/id6780628378)

Easily browse and purchase fitness class packs or memberships. View the class schedule, filter by type, and book your reservations. Manage your upcoming classes to stay organized and committed to your fitness goals.

**Highlights:** Purchase class packs and memberships, Browse class schedule, Filter classes by type, Manage class reservations, Track upcoming classes

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Contrast Studio free?

Contrast Studio is free to download, with no in-app purchases.

### Is OZA free?

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

### Which has better reviews, Contrast Studio or OZA?

Contrast Studio and OZA are both rated 5.0 out of 5 on the App Store, from 62 and 3 ratings respectively.

### Do Contrast Studio or OZA have ads?

Neither Contrast Studio nor OZA shows ads.

### Which is updated more often, Contrast Studio or OZA?

Contrast Studio ships an update every 6 months, and OZA every 3 weeks. Most recently, Contrast Studio was updated on October 3, 2026 and OZA on September 24, 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.*