# Yoga Flow SF vs Class With Catherine

The clearest difference is ads: Class With Catherine at none against Yoga Flow SF's shown. Class With Catherine also leads on ratings volume (16 vs 1) and monetization model (free vs ad-supported). Yoga Flow SF's advantage is update cadence (every 5 weeks vs every 12 months) and iOS requirement (14.0 vs 16.4). On price, rating, review sentiment 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.

On the App Store both sit at effectively the same score — 5.0 for Yoga Flow SF against 5.0 for Class With Catherine. That said, the two scores are not equally well evidenced: Class With Catherine has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Yoga Flow SF ships an update every 5 weeks, Class With Catherine every 12 months. The most recent releases landed on October 2, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Yoga Flow SF | Class With Catherine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/yoga-flow-sf/id6462482177/reviews) | [5.0 (16 ratings)](https://appshunter.io/ios/app/class-with-catherine/id6670685321/reviews) |
| Number of ratings | 1 | **16** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 12 months |
| Monetization | Ad-supported | **Free** |
| Size | 123 MB | 121 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Yoga Flow SF LLC](https://appshunter.io/developer/375995271) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### Yoga Flow SF

[App page](https://appshunter.io/ios/app/yoga-flow-sf/id6462482177)

Plan and schedule your yoga classes directly from your mobile device. View class schedules, sign up for sessions, and access studio location details. Optimize your time and enjoy the convenience of managing your yoga practice on the go.

**Highlights:** View class schedules, Sign up for classes, Access studio location, Schedule from mobile device, Optimize class planning

**Features:** macOS Compatibility, Apple Wallet

**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 Yoga Flow SF free?

Yoga Flow SF 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, Yoga Flow SF or Class With Catherine?

Yoga Flow SF and Class With Catherine are both rated 5.0 out of 5 on the App Store, from 1 and 16 ratings respectively.

### Do Yoga Flow SF or Class With Catherine have ads?

Yoga Flow SF shows ads; Class With Catherine does not.

### Which is updated more often, Yoga Flow SF or Class With Catherine?

Yoga Flow SF ships an update every 5 weeks, and Class With Catherine every 12 months. Most recently, Yoga Flow SF was updated on October 2, 2026 and Class With Catherine on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*