Based on the app title , this is typically a utility tool designed for use with compatible external pulse oximeters (usually connected via USB or Bluetooth). The "31" likely refers to a specific version number or a supported hardware protocol/model.
If you'd like, I can help you find a from a reputable source or provide a list of compatible pulse oximeters for this software. spo2 assistant 31 free
Look for the Trend Graph tab. If your saturation drops sporadically by 4% or more (e.g., from 97% to 90%) during sleep, export that CSV file. That data is diagnostic for Obstructive Sleep Apnea (OSA) . Based on the app title , this is
: Displays live data uploaded from the oximeter, including plethysmographic waveforms, bar charts, and numerical parameter values. Look for the Trend Graph tab
: Keeping a log of vital signs that can be saved in different file formats or printed for a doctor.