Ember by Cercacor

This app requires the purchase of an Ember non-invasive tracking system from www.cercacor.com
The Ember app allows users to track, trend and review their Hemoglobin, Pulse Rate, Perfusion Index, Oxygen Saturation, Oxygen Content, Respiration Rate, Pleth Variability Index, Carbon Monoxide and Methemoglobin . Track the activity you were participating in with every test to understand how your body, behavior, and training habits may affect your Hemoglobin levels. Every time you measure the app will also track the date and time of your test, the location and elevation of your test as well.

The ability to track and trend Hemoglobin non-invasively every day may provide you with insights such as:
How much your Hemoglobin levels respond to altitude training, altitude living and even hypoxic tents.
How long your body takes to increase Hemoglobin levels after being exposed to high elevations
How long the effects last after you have been at elevation and return to sea level.

The more you track and measure the more power you have to understand something. Ember App by Cercacor working with the Ember non-invasive hemoglobin tracking system can be a powerful tool for your endurance training.