CORE40 vs Class With Catherine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CORE40
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.
- View class schedules
- Sign up for classes
- Studio location information
- Social media links
- Optimize class booking
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Download the CORE40 App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, as well as view the studio’s location information. You can also click through to our Facebook and Twitter pages! Optimize your time and maximize the convenience of signing up for classes from your mobile! Download this App today! Also be sure to check out our website at: www.core40.com
Class With Catherine
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.
- 500+ on-demand live classes
- Strength, HIIT, Sculpt, Low Impact
- Filter by body focus, time, vibe
- Motivation and energy focused
- Balanced lifestyle approach
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Class With Catherine is your new, go to digital platform for all things fitness, fun and wellness. We believe in a balanced lifestyle and that working out should be a form of celebration, not punishment. These workouts will transform your body and your confidence! [ON-DEMAND LIVE CLASSES] - Access 500+ on-demand live classes, providing motivation, energy and variety to keep your workouts fun, engaging and effective. [VARIETY OF TRAINING STYLES] - Strength, HIIT, Sculpt, Low Impact, No Repeat, Muscle Specific [QUICK & EASY FILTERS] - Use the filters to find the perfect workout for your mood. Filter by body focus, time, music vibe, energy, etc. Ensuring a perfect workout experience every time. INTO OFFER: 7 DAYS FREE for new members!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | CORE40 | Class With Catherine |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (9 ratings) | 5.0 (16 ratings) — better |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 | 16 — better |
| Update frequency | Every 5 weeks — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 195 MB | 121 MB |
| Age rating | 4+ | 12+ |
| Developer | CORE40 Studios | Sutra Fitness, Inc. |
Customer experience
CORE40
Class With Catherine
In-app purchases
CORE40
No in-app purchases
Class With Catherine
No in-app purchases








