# CORUS45 vs Alter'd Core & Climb

The clearest difference is monetization model: Alter'd Core & Climb at free against CORUS45's free with in-app purchases. CORUS45's advantage is ratings volume (513 vs 64). On price, rating, update cadence and ads 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 CORUS45 against 5.0 for Alter'd Core & Climb. That said, the two scores are not equally well evidenced: CORUS45 has 513 ratings behind it against 64, 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 November 11, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | CORUS45 | Alter'd Core & Climb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (513 ratings)](https://appshunter.io/ios/app/corus45/id1524088211/reviews) | **[5.0 (64 ratings)](https://appshunter.io/ios/app/alterd-core-and-climb/id1633513716/reviews)** |
| Number of ratings | **513** | 64 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 38 MB | 38 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Corehouse, LLC](https://appshunter.io/developer/1494494463) | [Alter'd Core](https://appshunter.io/developer/1633513718) |

## What reviewers say

### 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


### Alter'd Core & Climb

[App page](https://appshunter.io/ios/app/alterd-core-and-climb/id1633513716)

This app connects users to unique fitness classes focusing on Lagree Megaformer and Versaclimber workouts. Experience intense, instructor-led small group sessions designed to strengthen, lengthen, and tone your body while burning calories.

**Highlights:** Lagree Megaformer classes, Versaclimber calorie-blasting workouts, Small group training, Certified instructor guidance, Full-body conditioning, Form correction and attention

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

**In-app purchases:** none


## Frequently asked questions

### Is CORUS45 free?

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

### Is Alter'd Core & Climb free?

Alter'd Core & Climb is free to download, with no in-app purchases.

### Which has better reviews, CORUS45 or Alter'd Core & Climb?

Alter'd Core & Climb is rated higher. CORUS45 averages 5.0 out of 5 from 513 ratings, while Alter'd Core & Climb averages 5.0 from 64 ratings.

### Do CORUS45 or Alter'd Core & Climb have ads?

Neither CORUS45 nor Alter'd Core & Climb shows ads.

### Which is updated more often, CORUS45 or Alter'd Core & Climb?

CORUS45 ships an update every 3 weeks, and Alter'd Core & Climb every 3 weeks. Most recently, CORUS45 was updated on November 11, 2026 and Alter'd Core & Climb on November 7, 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.*