CORE40 vs Karma Yoga 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
Karma Yoga SF
Discover upbeat yoga and movement classes designed around core yoga principles. Experience state-of-the-art studios with heat and humidity, fostering a community for growth and inspiration. Explore diverse class styles including Power Yoga, Hot Pilates, and Bikram-inspired sequences.
- Upbeat movement classes
- Heated studios
- Power Yoga
- Yin Flow w/ Essential Oils
- Hot 26 (Bikram inspired)
- Hot Pilates (hour & express)
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KARMA YOGA strives to create upbeat movement classes built around the core concepts of yoga. Karma Yoga has 2 state-of-the-art studios with heat and humidity to provide a balanced, enjoyable experience. Our ultimate goal is to cultivate a space where like-minded people can gather, grow, move, and inspire one another on and off the mat. We offer a wide variety of classes, from Power Yoga, Yin Flow w/ Essential Oils, Hot 26 a Bikram inspired movement and Hot Pilates both in an hour long and express format. All classes but the Yin Flow are heated.
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Verdict
The clearest difference is rating: Karma Yoga SF at 5.0 against CORE40's 2.3. Karma Yoga SF also leads on review sentiment (100% vs 60%) and ratings volume (348 vs 9). On price, update cadence, 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.
Karma Yoga SF holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: Karma Yoga SF has 348 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 60% of CORE40's written reviews are positive against 100% of Karma Yoga SF's.
CORE40 ships an update every 5 weeks, Karma Yoga SF every 4 weeks. Both last shipped on October 23, 2026.
| Parameter | CORE40 | Karma Yoga SF |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (9 ratings) | 5.0 (348 ratings) — better |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 | 348 — better |
| Update frequency | Every 5 weeks | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 195 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | CORE40 Studios | Mariana Tek Corporation |
Customer experience
CORE40
Karma Yoga SF
In-app purchases
CORE40
No in-app purchases
Karma Yoga SF
No in-app purchases
