Question 1

Which is better, Masimo MightySat Rx or Wellue FS20F Pulse Oximeter?

Accepted Answer

Both products scored 9.2/10 in our testing — it's a tie. Choose based on which features matter most to you.

Question 2

Is the Masimo MightySat Rx worth it over the Wellue FS20F Pulse Oximeter?

Accepted Answer

The Masimo MightySat Rx scores 9.2/10 while the Wellue FS20F Pulse Oximeter scores 9.2/10. The Masimo MightySat Rx is our "Best Overall" pick in the Best Fingertip Oximeters 2026 category.

Masimo MightySat Rx vs Wellue FS20F Pulse Oximeter: Which to Buy?