Question 1

Which is better, Masimo MightySat Rx or Garmin Index BPM?

Accepted Answer

Based on our testing, the Masimo MightySat Rx scores higher overall at 9.2/10. The Masimo MightySat Rx scored 9.2/10 and the Garmin Index BPM scored 9/10 in our Best Fingertip Pulse Oximeters for Athletes 2026 evaluation.

Question 2

Is the Masimo MightySat Rx worth it over the Garmin Index BPM?

Accepted Answer

The Masimo MightySat Rx scores 9.2/10 while the Garmin Index BPM scores 9/10. The Masimo MightySat Rx is our "Best Overall for Athletes" pick in the Best Fingertip Pulse Oximeters for Athletes 2026 category.

Masimo MightySat Rx vs Garmin Index BPM: Which to Buy?