# ButeykoClinic® vs 30% Formula

The clearest difference is ads: ButeykoClinic® at none against 30% Formula's shown. ButeykoClinic® also leads on monetization model (free vs ad-supported) and iOS requirement (16.6 vs 18.0). 30% Formula's advantage is update cadence (every 3 weeks vs every 5 months) and rating (5.0 vs 4.7). On price, review sentiment, ratings volume 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.

30% Formula holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ButeykoClinic® ships an update every 5 months, 30% Formula every 3 weeks. The most recent releases landed on October 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ButeykoClinic® | 30% Formula |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/buteykoclinic/id6478960199/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/30-formula/id6755521035/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 61 MB | 9 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Oxygen Research Institute Ltd.](https://appshunter.io/developer/1589260952) | [Osorio AI LLC](https://appshunter.io/developer/1854365622) |

## What reviewers say

### ButeykoClinic®

[App page](https://appshunter.io/ios/app/buteykoclinic/id6478960199)

Learn a physician-developed breathing program to enhance immunity, reduce stress, and improve sleep and overall health for adults and children. Access guided exercises, track progress, and test your breathing capacity.

**Highlights:** Video program for children and teens, Guided breathing and relaxation for adults, Control Pause breathing test, Progress tracking, Links to resources, Find an instructor

**Features:** macOS Compatibility

**In-app purchases:** none


### 30% Formula

[App page](https://appshunter.io/ios/app/30-formula/id6755521035)

This app guides users toward a longer, healthier life by focusing on six key pillars of aging: community, relaxation, movement, nutrition, biometrics, and smart therapeutics. It helps you set personalized goals, build habits, and learn the science behind healthy aging.

**Highlights:** Personalized goal tracking, Configurable reminders, Educational videos and articles, Community gratitude sharing, Clean, calm design, Text-to-speech for articles

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

**In-app purchases:** none


## Frequently asked questions

### Is ButeykoClinic® free?

ButeykoClinic® is free to download, with no in-app purchases.

### Is 30% Formula free?

30% Formula is free to download, with no in-app purchases.

### Which has better reviews, ButeykoClinic® or 30% Formula?

30% Formula is rated higher. ButeykoClinic® averages 4.7 out of 5 from 3 ratings, while 30% Formula averages 5.0 from 2 ratings.

### Do ButeykoClinic® or 30% Formula have ads?

30% Formula shows ads; ButeykoClinic® does not.

### Which is updated more often, ButeykoClinic® or 30% Formula?

ButeykoClinic® ships an update every 5 months, and 30% Formula every 3 weeks. Most recently, ButeykoClinic® was updated on October 21, 2026 and 30% Formula on September 24, 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.*