What is the difference between SpiroHome Personal and a peak flow meter?

You can find the differences between a peak flow meter and SpiroHome Personal in the table below.
Peak Flow Meter SpiroHome Personal
A peak flow meter measures the force of air in liters per minute and gives a reading on a built-in numbered scale. Allows to output the results as Volume / Time and Flow / Volume graphics
Peak Flow Meter is a mechanical measurement device that shows only Peak Expiratory Flow (PEF). With SpiroHome Personal, FVC, FEV1, FEV6, FEV1/FVC, PEF, FEF25, FEF50, FEF75, FEF25-75, FET, BEV can be measured.
Error Rate: ± 10L/min or ± 10% of the reading.

Error Rate: < 2.00 % or 50mL, whichever is greater.