# 9D Breathwork vs Marczell AI

The clearest difference is update cadence: 9D Breathwork at every 2 weeks against Marczell AI's every 4 months. 9D Breathwork also leads on ratings volume (255 vs 12). Marczell AI's advantage is review sentiment (100% vs 87%). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. 9D Breathwork sells 9 in-app purchases, starting at $67.00 per month and Marczell AI sells 6 in-app purchases, starting at $97.00 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for 9D Breathwork against 4.7 for Marczell AI. That said, the two scores are not equally well evidenced: 9D Breathwork has 255 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 87% of 9D Breathwork's written reviews are positive against 100% of Marczell AI's.

9D Breathwork ships an update every 2 weeks, Marczell AI every 4 months. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | 9D Breathwork | Marczell AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (255 ratings)](https://appshunter.io/ios/app/9d-breathwork/id6680193387/reviews)** | [4.7 (12 ratings)](https://appshunter.io/ios/app/marczell-ai/id6760430640/reviews) |
| Number of ratings | **255** | 12 |
| Positive reviews | 86.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 83 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Breathwork](https://appshunter.io/developer/1768265022) | [Marczell Klein Corp](https://appshunter.io/developer/1781489241) |

## What reviewers say

### 9D Breathwork

[App page](https://appshunter.io/ios/app/9d-breathwork/id6680193387)

Access immersive breathwork journeys and connect with global facilitators for stress reduction and personal growth. Download sessions for offline use and tailor your practice to your specific goals.

**Highlights:** Immersive breathwork journeys, Global facilitator network, Offline session access, Personalized practice, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $67.00 | per month |
| Month | $67.00 | per month |
| Monthly | $67.00 | per month |
| Monthly | $97.00 | per month |
| Monthly | $99.00 | per month |
| Year | $399.00 | per year |
| Yearly | $399.00 | per year |
| Yearly | $699.00 | per year |
| Yearly | $699.00 | per year |

**What reviewers like**

- 🚀 Powerful breathwork experience
- 🔒 Transformative and grounding
- 👍 Easy to use app
- 👍 Seamless and intuitive interface
- 🚀 Accessible breathwork at home

**What reviewers complain about**

- 💰 Expensive subscription cost
- 🔍 Not enough content for the price
- 🐛 App issues like crashes and freezing
- ⚠️ Dangerous breath holding techniques

**Reported bugs**

- Login screen freezes
- Incompatibility with older devices
- Inability to access all purchased content

**Requested features**

- More diverse breathwork sessions
- Desktop version of the app
- Free trial or more free content


### Marczell AI

[App page](https://appshunter.io/ios/app/marczell-ai/id6760430640)

This AI-powered daily coach guides you through personalized conversations and hypnosis sessions based on your input. It helps you track goals, build an identity profile, and connect with a supportive community. Integrate with health devices for a holistic approach to self-development.

**Highlights:** AI-guided daily conversations, Personalized hypnosis audio, Identity profile tracking, Goal setting and journaling, Health and wearable device integration, Community support, iPhone Duo optimized interface

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Growth Membership | $97.00 | per month |
| Premium Membership | $499.00 | per month |
| Elite Membership | $999.00 | per month |
| 10 Credits | $97.00 | one-time |
| 20 Credits | $146.99 | one-time |
| 30 Credits | $196.99 | one-time |


## Frequently asked questions

### Is 9D Breathwork free?

9D Breathwork is free to download, with in-app purchases available.

### Is Marczell AI free?

Marczell AI is free to download, with in-app purchases available.

### Which has better reviews, 9D Breathwork or Marczell AI?

9D Breathwork is rated higher. 9D Breathwork averages 4.8 out of 5 from 255 ratings, while Marczell AI averages 4.7 from 12 ratings.

### Do 9D Breathwork or Marczell AI have ads?

Neither 9D Breathwork nor Marczell AI shows ads.

### Which is updated more often, 9D Breathwork or Marczell AI?

9D Breathwork ships an update every 2 weeks, and Marczell AI every 4 months. Most recently, 9D Breathwork was updated on November 8, 2026 and Marczell AI on November 9, 2026.

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