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Monitoring · 5 Devices Tested

All Pulse Oximeters Tested

For asthma, COPD, sleep apnea, heart failure, Long COVID. Browse every device we've tested, compare scores, and read full expert reviews.

5 Devices Reviewed

Updated April 2026
🏆 See Our Top 5 Picks →
1
Masimo MightySat Rx
Best Overall — Accurate During Respiratory Compromise + Alarm
★★★★★
9.6/10
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2
Nonin Model 3230
Best for Children with Asthma — Pediatric Accuracy + Alarm
★★★★★
9.3/10
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3
Wellue O2Ring Gen 2
Best for Exercise-Induced Asthma — Continuous Ring Monitoring
★★★★★
9.0/10
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4
Oxiline Pulse X Pro
Best Value — Reliable Home Asthma Monitoring with Alarm
★★★★☆
8.8/10
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5
Zacurate Pro Series 500DL
Best Budget — Reliable Spot Checks for Mild-Moderate Asthma
★★★★☆
8.1/10
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Medical disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or qualified health provider. Read full disclaimer