Question 1

Which is better, Masimo MightySat Rx or Wellue O2Ring?

Accepted Answer

Based on our testing, the Masimo MightySat Rx scores higher overall at 9/10. The Masimo MightySat Rx scored 9/10 and the Wellue O2Ring scored 8.9/10 in our Best Fingertip Pulse Oximeters 2026 evaluation.

Question 2

Is the Masimo MightySat Rx worth it over the Wellue O2Ring?

Accepted Answer

The Masimo MightySat Rx scores 9/10 while the Wellue O2Ring scores 8.9/10. The Masimo MightySat Rx is our "Best Overall" pick in the Best Fingertip Pulse Oximeters 2026 category.

Masimo MightySat Rx vs Wellue O2Ring: Which to Buy?