Question 1

Which is better, Masimo MightySat Rx or Zacurate Pro 500DL?

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 Zacurate Pro 500DL scored 8.7/10 in our Best Fingertip Pulse Oximeters 2026 evaluation.

Question 2

Is the Masimo MightySat Rx worth it over the Zacurate Pro 500DL?

Accepted Answer

The Masimo MightySat Rx scores 9/10 while the Zacurate Pro 500DL scores 8.7/10. The Masimo MightySat Rx is our "Best Overall" pick in the Best Fingertip Pulse Oximeters 2026 category.

Masimo MightySat Rx vs Zacurate Pro 500DL: Which to Buy?