# Callie's Pilates vs CORUS45

The clearest difference is ads: CORUS45 at none against Callie's Pilates's shown. CORUS45 also leads on ratings volume (505 vs 6). Callie's Pilates's advantage is monetization model (ad-supported vs free with in-app purchases) and device support (3 vs 1). 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.

CORUS45 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: CORUS45 has 505 ratings behind it against 6, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Callie's Pilates | CORUS45 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/callies-pilates/id1495851699/reviews) | **[5.0 (505 ratings)](https://appshunter.io/ios/app/corus45/id1524088211/reviews)** |
| Number of ratings | 6 | **505** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 129 MB | 38 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Callie's Pilates LLC](https://appshunter.io/developer/1495851698) | [Corehouse, LLC](https://appshunter.io/developer/1494494463) |

## What reviewers say

### Callie's Pilates

[App page](https://appshunter.io/ios/app/callies-pilates/id1495851699)

Easily plan and schedule your fitness classes directly from your mobile device. Sign up, cancel, and purchase class packages with exclusive discounts. Access studio location and contact details, plus connect with social media pages.

**Highlights:** Schedule and book classes, Cancel class reservations, Purchase class packages, View studio location, Access contact information, Connect to social pages

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### CORUS45

[App page](https://appshunter.io/ios/app/corus45/id1524088211)

Book and manage your high-intensity Pilates classes with this app. View schedules, find studios, track your progress, and purchase class packages. Experience a signature full-body workout designed to build strength and push limits.

**Highlights:** Book classes, View studio locations, Manage reservations, Buy class packages, Track progress, View class schedules

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

**In-app purchases:** none


## Frequently asked questions

### Is Callie's Pilates free?

Callie's Pilates is free to download, with no in-app purchases.

### Is CORUS45 free?

CORUS45 is free to download, with no in-app purchases.

### Which has better reviews, Callie's Pilates or CORUS45?

CORUS45 is rated higher. Callie's Pilates averages 4.8 out of 5 from 6 ratings, while CORUS45 averages 5.0 from 505 ratings.

### Do Callie's Pilates or CORUS45 have ads?

Callie's Pilates shows ads; CORUS45 does not.

### Which is updated more often, Callie's Pilates or CORUS45?

Callie's Pilates ships an update every 3 weeks, and CORUS45 every 3 weeks. Most recently, Callie's Pilates was updated on September 7, 2026 and CORUS45 on September 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.*