CORE40 vs kor FIT SF
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
kor FIT SF
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Download the korFIT App today to plan and schedule your classes! From this mobile App, you can view class schedules and sign up for classes as well as view the studio’s location. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!
Screenshots
Verdict
The clearest difference is update cadence: CORE40 at every 5 weeks against kor FIT SF's every 10 months. CORE40 also leads on device support. kor FIT SF's advantage is iOS requirement (14.0 vs 16.0). On price 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.
CORE40 ships an update every 5 weeks, kor FIT SF every 10 months. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.
| Parameter | CORE40 | kor FIT SF |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (9 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 5 weeks — better | Every 10 months |
| Ads | No | — |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad — better | — |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 195 MB | 187 MB |
| Age rating | 4+ | 4+ |
| Developer | CORE40 Studios | kor fit sf llc |
In-app purchases
CORE40
No in-app purchases
kor FIT SF
No in-app purchases
