# CHI50 vs Studio West Pilates

The clearest difference is ads: CHI50 at none against Studio West Pilates's shown. CHI50 also leads on ratings volume (55 vs 11). On price, rating, update cadence 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 CHI50 against 5.0 for Studio West Pilates. That said, the two scores are not equally well evidenced: CHI50 has 55 ratings behind it against 11, so its average is the more settled of the two.

CHI50 ships an update every 4 weeks, Studio West Pilates every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | CHI50 | Studio West Pilates |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (55 ratings)](https://appshunter.io/ios/app/chi50/id6479721304/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/studio-west-pilates/id6754660703/reviews) |
| Number of ratings | **55** | 11 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 38 MB | 34 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Byrd Fitness LLC](https://appshunter.io/developer/1737074121) | [Pilatesxtay Enterprises LLC](https://appshunter.io/developer/1849484194) |

## What reviewers say

### CHI50

[App page](https://appshunter.io/ios/app/chi50/id6479721304)

Book fitness classes and manage your membership for state-of-the-art Megaformer machine workouts. Engage muscles you've never used before in 50-minute sessions designed to tone, sculpt, shake, and sweat.

**Highlights:** Book fitness classes, Purchase credits, Buy memberships, Manage account, State-of-the-art Megaformer workouts

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

**In-app purchases:** none


### Studio West Pilates

[App page](https://appshunter.io/ios/app/studio-west-pilates/id6754660703)

Easily browse and purchase class packs or memberships. View the schedule, filter classes 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, View 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 CHI50 free?

CHI50 is free to download, with no in-app purchases.

### Is Studio West Pilates free?

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

### Which has better reviews, CHI50 or Studio West Pilates?

CHI50 and Studio West Pilates are both rated 5.0 out of 5 on the App Store, from 55 and 11 ratings respectively.

### Do CHI50 or Studio West Pilates have ads?

Studio West Pilates shows ads; CHI50 does not.

### Which is updated more often, CHI50 or Studio West Pilates?

CHI50 ships an update every 4 weeks, and Studio West Pilates every 5 weeks. Most recently, CHI50 was updated on October 24, 2026 and Studio West Pilates on October 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.*