Comparison

CORE40 vs Class With Catherine

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • View class schedules
  • Sign up for classes
  • Studio location information
  • Social media links
  • Optimize class booking
Features
Read full description

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

About

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.

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
Read full description

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

CORE403 screens
Class With Catherine4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
CORE40 versus Class With Catherine: the parameters behind the verdict, then further details
ParameterCORE40Class With Catherine
PriceFreeFree
Rating2.3 (9 ratings)5.0 (16 ratings) — better
Positive reviews60.0% of reviews100.0% of reviews — better
Number of ratings916 — better
Update frequencyEvery 5 weeks — betterEvery 12 months
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better16.4
Further details — not scored
Size195 MB121 MB
Age rating4+12+
DeveloperCORE40 StudiosSutra Fitness, Inc.

Customer experience

CORE40

All ratings9 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews10 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

Class With Catherine

All ratings16 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CORE40

No in-app purchases

None

Class With Catherine

No in-app purchases

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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