Zacurate 500BL Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Batteries Included (Navy Blue)
Zacurate · 2 more picks →
Best for
Best budget
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$8.49
Updated Jun 27, 2026 · 1 min read
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the verified-purchase reviewers we read, the Zacurate 500BL holds a 4.6 average over roughly 124,000 ratings while sitting at one of the lowest prices in the pool (around $8.49). That combination of huge review volume and rock-bottom cost makes it the standout value pick, and customers consistently describe it as a no-frills clip that does the basic job. As with the rest of this category, no independent labs or expert publishers appeared in the data, so the score reflects customer-rating consensus and value rather than verified clinical accuracy.
What reviewers liked
- One of the lowest prices in the pool with a ~124,000-review base
- Solid 4.6 verified-purchase average
- Batteries included; simple plug-and-read operation
Where it falls short
- Slightly lower average rating than the top 4.7-rated models
- No alarms, waveform, perfusion index, or connectivity
- No independent accuracy testing present in the data we reviewed
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Across the verified-purchase reviewers we read, the Zacurate 500BL holds a 4.6 average over roughly 124,000 ratings while sitting at one of the lowest prices in the pool (around $8.49). That combination of huge review volume and rock-bottom cost makes it the standout value pick, and customers consistently describe it as a no-frills clip that does the basic job.
As with the rest of this category, no independent labs or expert publishers appeared in the data, so the score reflects customer-rating consensus and value rather than verified clinical accuracy. Reviewers note the usual caveats about fit and circulation affecting readings.
For buyers who simply want an inexpensive, widely-validated spot-check device and don't need alarms or app features, this is the strongest budget option.
- ACCURATE AND RELIABLE - Accurately determine your SpO2 (blood oxygen saturation levels), pulse rate and pulse strength in 10 seconds and display it conveniently on a large digital LED display.
- SPORTS/HEALTH ENTHUSIASTS - For sports enthusiasts like mountain climbers, skiers, bikers, and anyone needing to monitor their SpO2 and pulse rate. The pulse oximeter LED display faces the user for an easy read.
- EASY TO USE – Simply insert your finger fully into the chamber, press the power button, and keep your hand still. Movement can affect accuracy. Wait a few seconds for the device to stabilize and display your results.
- ACCOMODATES WIDE RANGE OF FINGER SIZES - Finger chamber with SMART Spring System. Works for ages 12 and above.
- LOADED WITH ACCESSORIES - Include 2X AAA BATTERIES that will allow you to use the pulse oximeter right out of the box for convenience. Comes with 12 months WARRANTY and USA based technical phone support.
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