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Head to head · Health Monitors

500 Series Fingertip Pulse Oximeter Blood vs 6L Portable ECG Monitor

Ravvy scores 500 Series Fingertip Pulse Oximeter Blood at 94 and 6L Portable ECG Monitor at 93.38. 500 Series Fingertip Pulse Oximeter Blood takes the overall pick, best for athletes and outdoor enthusiasts tracking recovery or altitude effects.

Ravvy pick

Zacurate 500 Series Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Silicon Cover, Batteries and Lanyard, Royal Black

$18

Athletes should buy the Zacurate 500DL for its consistent accuracy and rugged accessories, accepting that it lacks the data logging features of premium connected devices.

EMAY 6L Portable ECG Monitor | Record ECG and Heart Rate in 6 Channels | Compatible with Smartphone and PC | No Subscription Required

$169

The EMAY 6L is the best choice for those needing more than a basic heart rate check, offering clinical level 6-lead data for a one-time cost.

How they score

Factor500 Series Fingertip Pulse Oximeter Blood6L Portable ECG Monitor
Value97–
Accuracy88.5–
Portability9694
Readability92–
Battery Life90–
Data Depth–96
Connectivity–89
Clinical Utility–92
Cost Of Ownership–100

500 Series Fingertip Pulse Oximeter Blood

What owners praise

  • Reads SpO2 levels up to 100 percent accurately
  • High-contrast LED is easy to read in low light
  • Includes a protective silicone cover and batteries
  • Fast ten-second measurement window
  • Smart spring system fits most finger sizes

What to know first

  • No Bluetooth or data storage capabilities
  • Display does not rotate for different viewing angles
  • Intended for sports and aviation use only

Skip it if medical patients requiring clinical-grade continuous monitoring

6L Portable ECG Monitor

What owners praise

  • No monthly subscription or hidden fees
  • Detailed 6-channel recording provides more data than standard watches
  • Works as a standalone device without needing a phone
  • Compatible with both Windows and Mac computers
  • Rechargeable battery lasts for hundreds of readings

What to know first

  • Not compatible with implanted pacemakers
  • Requires manual positioning for accurate readings
  • Plastic screen can be prone to scratches if not stored carefully

Skip it if individuals with pacemakers or those seeking constant 24/7 background monitoring

Specs side by side

Spec500 Series Fingertip Pulse Oximeter Blood6L Portable ECG Monitor
UPC856964007698767461320046
ASINB07PQ8WTC4B0C88W44M2
ColorRoyal BlackBlue
Batteries2 AAA batteries required. (included)–
Brand NameZacurateEMAY
DepartmentUnisex-Adult–
Model NamePro Series 500DL (Royal Black)–
Unit Count1 Count1 Count
Item Weight3.2 ounces85 g
Part Number500DL–
Battery Life30 hours–
ManufacturerZacurateEMAY

Other options in this category

KardiaMobile 1-Lead EKG Monitor, Medical-Grade FDA-Cleared Personal Heart Monitor, Detects Normal, AFib & Arrhythmias, 30 Second Results, Works with Most Smartphones, HSA&FSA Eligible
92.9

KARDIAMOBILE

1-Lead EKG Monitor

Best for individuals with known arrhythmias or those needing frequent heart monitoring

  • Instant 30-second EKG results
  • Weight under 1 ounce
  • Replaceable CR2016 battery
$79