# CORE40 vs Class With Catherine

The clearest difference is rating: Class With Catherine at 5.0 against CORE40's 2.3. Class With Catherine also leads on review sentiment (100% vs 60%) and monetization model (free vs ad-supported). CORE40's advantage is update cadence (every 5 weeks vs every 12 months). On price, ratings volume, 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.

Class With Catherine holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 9 and 16 respectively. Written reviews point the same way: 60% of CORE40's written reviews are positive against 100% of Class With Catherine's.

CORE40 ships an update every 5 weeks, Class With Catherine every 12 months. The most recent releases landed on October 16, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CORE40 | Class With Catherine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (9 ratings)](https://appshunter.io/ios/app/core40/id718323094/reviews) | **[5.0 (16 ratings)](https://appshunter.io/ios/app/class-with-catherine/id6670685321/reviews)** |
| Number of ratings | 9 | **16** |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 12 months |
| Monetization | Ad-supported | **Free** |
| Size | 195 MB | 121 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [CORE40 Studios](https://appshunter.io/developer/1750848800) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### CORE40

[App page](https://appshunter.io/ios/app/core40/id718323094)

Plan and schedule fitness classes directly from your mobile device. View class schedules, sign up for sessions, and access studio location information. Easily connect to social media pages.

**Highlights:** View class schedules, Sign up for classes, Studio location information, Social media links, Optimize class booking

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

**In-app purchases:** none


### Class With Catherine

[App page](https://appshunter.io/ios/app/class-with-catherine/id6670685321)

Access over 500 on-demand fitness classes for strength, HIIT, and sculpting. Find workouts tailored to your mood and body focus with quick filters. Enjoy a fun, motivating approach to wellness that celebrates movement.

**Highlights:** 500+ on-demand live classes, Strength, HIIT, Sculpt, Low Impact, Filter by body focus, time, vibe, Motivation and energy focused, Balanced lifestyle approach

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

**In-app purchases:** none


## Frequently asked questions

### Is CORE40 free?

CORE40 is free to download, with no in-app purchases.

### Is Class With Catherine free?

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

### Which has better reviews, CORE40 or Class With Catherine?

Class With Catherine is rated higher. CORE40 averages 2.3 out of 5 from 9 ratings, while Class With Catherine averages 5.0 from 16 ratings.

### Do CORE40 or Class With Catherine have ads?

Neither CORE40 nor Class With Catherine shows ads.

### Which is updated more often, CORE40 or Class With Catherine?

CORE40 ships an update every 5 weeks, and Class With Catherine every 12 months. Most recently, CORE40 was updated on October 16, 2026 and Class With Catherine on September 21, 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.*