# Oumua App — Lungs of Steel

> Personal use application, not for medical advice or treatment. (iPhone/iPad app by Oumua Inc.)

- Source: https://appshunter.io/ios/app/oumua-app/id6444078317 (this page in markdown: same URL + `.md`)
- Developer: [Oumua Inc](https://appshunter.io/developer/1663635743)
- Category: Lifestyle
- Price: Free
- Rating: 2.29/5 from 14 App Store ratings · 10 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.1 · 111 MB
- Languages: English
- Released: 2022-11-08
- Data updated: 2026-07-16
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/oumua-app/id6444078317/reviews.md

## What is Oumua App?

Oumua app does not claim to provide sufficient data for any clinical intervention, measurement, treatment or medical protocol administration. Please do not use or imply any medically relevant conclusions using the data provided by Oumua Inc in such scenarios, and seek doctor’s advice in regards to any related conditions and/or symptoms.

## Key features

- Not for clinical intervention
- No medical data provided
- Seek doctor's advice
- Personal use only

## Recent user reviews (10 of 10)

All indexed reviews: https://appshunter.io/ios/app/oumua-app/id6444078317/reviews.md

### 2/5 — Lacks settings control

*2026-06-26*

Have used incorrectly 2x, looked for way to reset, there is none. Had to delete and start over. Should allow you to retest. I am presently ill and would like to test again when better.

### 1/5 — App doesn’t work

*2025-09-08*

I sent the oumua device back to the sender over 2 years ago. I was told a refund would be sent.  Never happened.  The app is not functioning anyway.    Terrible

### 1/5 — Almost worthless

*2025-06-26*

This app is garbage and positive reviews have got to be fake. 

Exercises aren’t explained before they start.

The basic ling test doesn’t work if you have a high lung capacity because it times out before exhale is complete, or complains you’re exhaling too fast if you try to make it in time, or other times too slow. 

I’m demanding a refund on the device.

### 2/5 — Unstable

*2025-06-12*

App closes during setup. Unstable. Still working to set it up.

### 2/5 — App is barely usable

*2025-05-22*

The app is supposed to tell you when to breathe normally and went to breath with the Oumua device. The app gets confused and will tell me to breathe normally while I am breathing into the device. Sometimes it says breathe normally and inhale at the same time. It works correctly 70% of the time.

Turning the Oumua device on is another challenge.

Great idea. The app and product needs help. The online support does not follow up either.

### 1/5 — Teaching and accuracy

*2024-09-07*

The app does not properly track days. If You use in in the morning then go back and do more later it tracks it as two days. I have used it for 7 days and it is saying 12 days of progress with an average of 2 seconds per day🤣😵‍💫 the same 3 inhalation exercises keep coming up every day so I go into other exercises to add more. 
Inhalation does not track properly. Seems to go red as inhaling each time, low score and misses no matter who uses it.  

Only basic info on each exercise without explanation.  When score is low it still says great job you have improved.

### 1/5 — Potentially a scam?

*2024-05-03*

I am not sure if the whole company is a scam or if something happened with my order specifically. 

I received a device that clearly doesnt have either a button or charger or any capability to connect over Bluetooth . It is just a piece of plastic there are no electronics in it. 

I purchased it from their website directly there were no third party’s involved . It also took close to a month to receive this fake plastic thing.

### 5/5 — Very good app!

*2024-01-22*

I’m buy oumua, and training on the last week. For me, it has served as a great substitute for cigarettes.

### 1/5 — Deserves Zero Stars

*2024-01-06*

Doesn’t work, and there is absolutely no support from the developer

### 1/5 — Doesn’t Work, Won’t Connect to Phone.

*2023-03-17*

I purchased the Oumua recently and have been very disappointed. I downloaded the app from the Apple store and immediately used an inhalation training. I had high hopes. However, since that time the device only connects to my phone once every 10-15 attempts, and hasn’t connected for two days. It’s useless if I can’t use the training sessions and monitor my progress. The company’s website has no info on this issue and they included no documentation with the device at all. The app has no troubleshooting information either. So even one star is a stretch.

## Frequently asked questions about Oumua App

### Can Oumua App be used for medical measurements?

No, Oumua App explicitly states it does not provide sufficient data for any clinical intervention, measurement, treatment, or medical protocol administration. It is intended for personal use only.

### Does Oumua App offer medical advice?

Oumua App does not claim to provide medical advice. Users are strongly advised to seek a doctor's advice in regards to any related conditions and/or symptoms.

### What is the rating of Oumua App?

Oumua App has a rating of 4.1 stars based on 33 ratings.

### Is Oumua App free to download?

Yes, Oumua App is available for free.

### What devices does Oumua App support?

Oumua App supports iPhone and iPod devices.

### When was Oumua App last updated?

The latest version of Oumua App was last updated on March 13, 2025.

### What is the age rating for Oumua App?

Oumua App has an age rating of 4+.

### Does Oumua App contain advertisements?

No, Oumua App does not contain advertisements.

## Version history (last 5 releases)

### 2.0.5 — 2026-07-13

What’s new:

1. Major protocol performance improvements
2. Minor stats and metrics fixes
3. AI performance fixes
4. Connectivity issue fixes

### 2.0.4 — 2026-04-29

Minor bug fixes and performance improvements

### 1.0.38 — 2025-03-13

Improved responsiveness during exercises:
-Triangle
-Acute triangle

### 1.0.37 — 2025-02-21

-improved exercise processing
-minor interface improvements

### 1.0.36 — 2025-01-22

-minor UI fixes

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-16.*
