Oh Yes Yoga

Yoga for your Lungs, Diaphragm & Respiratory Organs - helps build up immunity by providing more oxygen to body.
It also does -
At Home - Analysis of your Lungs, Diaphragm, Respiratory Organs' capacity.
This method doesn't require any other medical equipment to do so, but it's harmless Yogic method (Yoga Technique).
Note:
This app doesn't claim to replace any medical devices - but provides an at-home & easy way of checking Lung Capacity & the testing method helps build up immunity, provide exercise for lungs, calms the mind & provide an overall well being - since it's a yogic method (Yoga Technique).
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Question: What does that mean?
Answer: In this version 1 - we can analyze & measure the capacity of our lungs, using a unique & innovative method - which has been around since ages, but hasn't been widely known. (The statement is a relative truth - it's totally possible that in past - people may have relied upon this method to check lung capacity)
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Apple's current tech stack - both hardware & software allows this method of --> Yoga for Lungs & Checking Lung Capacity seamlessly. We are able to do this on device - without applying machine learning over the server or over the internet. Everything is done on your device, and your data stays with you and is not shared anywhere.
I am working really hard to release new and exciting features. If you have any questions or feedback - the app has the details under Settings tab for how to reach out.