Blood Oxygen Level

tốt

tốt

Tệ

App khó sử dụng, không có hướng dẫn cụ thể. Tốn thời gian để tải.

It helps

Good i like it

Richard

Can’t figure out how to make it work

App

Does not work. Do not charge me

Mrs

I love it

Improve

It would help to have instructions on using app.

Horrible app

This app does not do what it says to do! It does not give oxygen levels ....

Blood Readings

Not getting my blood readings !!

Fake

This app is fake and don’t work. It gives u a reading that’s not even urs. Don’t waist ur time.