O2 Care - SpO2 HRV Biofeedback app for iPhone and iPad

O2 Care App is a total solution help you analyze and improve sleep and stress related problems (e.g. sleep apnea, snore, anxiety...etc.)
It includes three main features: 1. overnight Sleep SpO2 analysis, 2. HRV analysis, 3. Resonance Breath (HRV Biofeedback).
Sleep SpO2 analysis and HRV analysis could help analyze the causes of sleep and stress problems, and also provide your current mindbody health status and potential risks. Resonance Breath (HRV biofeedback) could help you reduce stress, improve HRV score and sleep quality.
The App link with bluetooth oximeter, record SpO2, pulse, and related bio-signal, upload to cloud server for analysis.

Subscription pricing and terms:
O2 Care offers an auto-renewing monthly subscription with the below pricing
$9.99/month for Sleep SpO2
$3.99/month for HRV
$1.99/month for Breathing.

Payment will be charged to your iTunes Account. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your iTunes account will be charged for renewal, with the cost identified on the price button of the subscribed Membership, within 24-hours prior to the end of the current period. You may manage your subscription and auto-renewal may be turned off by going to your iPhone Account Setting.
Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable.

Terms of service:
http://foracare.com/app/content2/mbh_terms_en.pdf
Privacy policy:
http://foracare.com/app/content2/mbh_privacy_en.pdf