Best Pulse Oximeter For Sleep Apnea – Top 5 Rated In 2021

An image featuring a woman laying in a hospital with an pulse oximeter

Advancements in technology have made health monitoring accessible to individuals, regardless of their geographic location.

Through using specialized resources and tools like pulse oximeters, you can easily keep a close eye on your physical health before undertaking any physical activity. It can also help doctors track your progress as you recover from a particular ailment or surgery.

Pulse oximeters are capable of detecting the amount of oxygen that is present in the bloodstream. It measures your blood oxygen saturation level (SpO2) with visible and infrared lights in a painless and highly efficient manner.

People suffering from certain respiratory illnesses and other health conditions find it useful, as it provides quick updates on their blood oxygen levels while they receive treatment.

Quick Look At Our Top 5 Picks In 2021

Image Product Features

Most Popular

Zacurate Pro Series 500DL Fingertip Pulse Oximeter
  • Lanyard for convenience
  • 1-year warranty
  • Two AAA batteries are included
View Best Price

Budget Option

AccuMed CMS-50DL Fingertip Pulse Oximeter
  • Two AAA batteries for prolonged use
  • It can detect SpO2, as well as pulse rate, intensity, and wave
  • Protective travel case and lanyard
View Best Price


Concord Fingertip Pulse Oximete
  • Energy-efficient with over 30 hours of continuous use
  • Shock-resistant cover
  • Durable lanyard for convenience
View Best Price

Smart Option

Innovo Bluetooth-Enabled 50F Plus Wrist Pulse Oximeter
  • Very fast, accurate, and easy to use
  • Built-in alarm system
  • Rotational 256K color OLED display for improved readability
View Best Price

Best For Both Children and Adult

Santamedical Deluxe SM-110 Fingertip Pulse Oximeter
  • The display powers off after 10 seconds to save battery
  • It accommodates most finger sizes, including those of children and adults
  • Two-way display feature
View Best Price

A pulse oximeter can also detect sleep apnea, which affects the oxygen levels in your blood. Values below 90% mean that you are at risk of hypoxia as your pulse rate and SpO2 are low. Here, you can find the five (5) best Pulse Oximeters for Sleep Apnea in 2021 and pulse rate detection, as well as essential tips for choosing the right model.

Most Popular: Zacurate Pro Series 500DL Fingertip Pulse Oximeter

An image featuring Zacurate Pro Series 500DL Fingertip Pulse Oximeter

View Price

This Zacurate pulse oximeter is a fingertip model with a wide range of features that enable users to monitor or evaluate their health and fitness. It can measure your SpO2 accurately, as well as heart rate and pulse strength. The value is displayed on the built-in digital LED display within a few seconds.

The Pro Series 500DL model is designed to read SpO2 up to 100% and give accurate readings even with a low blood perfusion index of 0.2%. Users can easily read the screen’s values, which are large and visible in a dark or well-lit room. Two AAA batteries are included to make the device immediately usable out of the box, as well as a durable lanyard for carrying it conveniently around your neck or wrist.

It is designed using top-quality medical-grade silicone that is latex-free and hypoallergenic. The finger chamber, which has a smart spring system, can accommodate various finger sizes from those of 12-year olds and above. The display on your oximeter turns off 16 seconds after you remove your finger from the designated chamber to conserve battery. It comes with a 1-year warranty and is suitable for pilots and sports enthusiasts.


  • Lanyard for convenience.
  • 1-year warranty.
  • Two AAA batteries are included.
  • Latex-free and hypoallergenic medical-grade silicone cover.
  • It can accommodate various finger sizes from those of 12-year olds and above.
  • It can measure your SpO2, heart rate, and pulse strength.

Budget Option: AccuMed CMS-50DL Fingertip Pulse Oximeter

An image featuring AccuMed CMS-50DL Fingertip Pulse Oximeter

View Price

AccuMed CMS-50DL offers pulse rate and SpO2 readings for users with different finger sizes ranging from those of 4-year olds to adults. In less than 10 seconds after placing your finger in the designated chamber, accurate readings are displayed on the built-in LED screen in a large font. For best results, it is recommended that users remain in a stationary position while taking readings.

It comes with two AAA batteries that can keep it running for over 24 hours. The LED display powers off automatically after 5 seconds to conserve energy. Users get a travel case that protects them from damage, as well as a lanyard to improve the ease of carrying them around. You also get to check your pulse intensity displayed as a bar graph and pulse waves in the waveform on the screen.

Although the AccuMed Fingertip Pulse Oximeter is not for medical use, it is efficient and can detect multiple vital signs. It is ideal for everyday use and is suitable for highly active individuals.


  • Two AAA batteries for prolonged use.
  • It can detect SpO2, as well as pulse rate, intensity, and wave.
  • Protective travel case and lanyard.
  • Automatic power-off.
  • 1-year warranty.

Energy-Efficient: Concord Fingertip Pulse Oximete

An image featuring Concord Fingertip Pulse Oximete

View Price

Concord Fingertip Pulse Oximeter is ideal for monitoring vital signs and can easily detect sleep apnea. It can measure SpO2 and pulse rate for both adults and kids with different finger sizes. Operation is simple as users can get accurate readings within a few seconds by pressing some buttons. 

With its shock-resistant cover, this pulse oximeter stays fully protected from damage due to falling on hard floors. Its durable batteries ensure that it is on standby for long hours, allowing you to take readings whenever you want. You instantly get notified of a low battery to enable you to replace it.

Its durable lanyard makes it easy for you to carry around conveniently, as well as a large LED display for viewing readings with ease. The Concord Sapphire comes with a 2-year warranty and is not intended for medical use. Values displayed on the screen can be rotated for improved readability, and its alarm system notifies critical readings.


  • Energy-efficient with over 30 hours of continuous use.
  • Shock-resistant cover.
  • Durable lanyard for convenience.
  • 2-way rotating display for improved readability.
  • Built-in alarm system.
  • 2-year warranty.

Smart Option: Innovo Bluetooth-Enabled 50F Plus Wrist Pulse Oximeter

An image featuring Innovo Bluetooth-Enabled 50F Plus Wrist Pulse Oximeter

View Price

The Innovo 50F pulse oximeter can be worn on the wrist for convenience with a detachable Snugfit probe, equipped with a sensor for taking real-time SpO2 and pulse rate readings with accuracy. It is Bluetooth enabled, making it possible for users to export their data to a computer for further analysis.

Although the device can be used on the go, the probe’s finger should remain stationary for increased precision. The latex-free and hypoallergenic Probe is made of medical-grade silicone and fits snugly for enhanced user experience. Its alarm feature notifies you of a low battery or critical readings during sleep as you track SpO2 and blood flow rates.

Collected data can be stored on the device for as long as 24 hours to enable you to upload it to the computer at your convenience. It has a rotational 256K color OLED display that improves readability and an included power adapter for charging. To conserve battery life, the device powers off automatically after 5 seconds.


  • Very fast, accurate, and easy to use.
  • Built-in alarm system.
  • Rotational 256K color OLED display for improved readability.
  • Powers off automatically after 5 seconds to conserve battery life.
  • It can be synchronized with a computer.
  • Rechargeable Lithium battery and a power adapter included.
  • 1-year warranty.

Best For Both Children And Adult: Santamedical Deluxe SM-110 Fingertip Pulse Oximeter

An image featuring Santamedical Deluxe SM-110 Fingertip Pulse Oximeter

View Price

Santamedical Deluxe SM-110 allows you to monitor your SpO2 and pulse rate effectively, making it possible for you to detect and manage sleep apnea. It accommodates most finger sizes, including those of children and adults.

Its two-way display feature ensures that readings can be viewed conveniently in different directions on the digital LED screen. The device is lightweight and capable of providing fast readings in real-time, making it the favorite of most athletes and health enthusiasts. With the accompanying user manual, you can quickly get acquainted with all its features and mode of operation.

It comes with two AAA batteries, a lanyard for convenience, and a 2-year warranty. To conserve battery, the display powers off after 10 seconds. 


  • The display powers off after 10 seconds to save the battery.
  • It accommodates most finger sizes, including those of children and adults.
  • Two-way display feature.
  • Lanyard for convenience.
  • 2-year warranty.

Key Considerations For Choosing A Pulse Oximeter

Design: Usually, pulse oximeters have a clip-on device with a sensor that monitors SpO2 from the fingertip or earlobe. Various designs are becoming available, allowing users to keep track of their heart rates and SpO2 conveniently on the go. The finger models are most popular, with a chamber that looks like an alligator clip that contains the sensor for taking readings and a screen that displays the values.

Some manufacturers now produce wrist pulse oximeters that may come with more functionality and convenience for prolonged use, especially in physical therapy or sleep studies. The handheld models can take readings while being held on your palm and are often very expensive. Choosing the model that suits your needs and budget is key to living a healthy life.

Accuracy: Most pulse oximeters are accurate to +/- 2% of the recorded oxygen saturation level compared to an arterial blood gas test’s value. Some models can give SpO2 readings of 100% and feature an accuracy indicator that hints at you when there is a deviation. A recent study suggests that overnight pulse oximetry is the most effective means of detecting obstructive sleep apnea.

Safety: Modern designs are equipped with alarm systems that notify users when their blood oxygen levels are dangerously low. This feature comes in handy when used during sleep or by someone who does not understand specific readings’ implications.

Convenience: The ease of using your pulse oximeter is another determining factor for making a good purchase. The right product should be lightweight and easy to carry around, like fingertip models that come with lanyards that allow you to hang them around your neck. Models that come with Bluetooth technology and sync function enable users to export recorded data to computers for further analysis. Most models are automatically powered off after a few seconds idle to conserve battery life.

Size: How well your finger fits into the designated chamber determines the accuracy of the SpO2 readings. Most pulse oximeters would fit adults’ finger, but you may consider models that are designed for kids if you are buying them for your child. The size specifications can be seen in the product information section for those buying from online stores.

Battery life: The fingertip models are usually powered by two AAA batteries, which would have to be replaced when they run out of juice. Some other models come with rechargeable Lithium batteries and a power adapter or USB cable for charging. The battery indicator on the device’s screen notifies you when it is running low and needs charging or replacement.

Frequently Asked Questions (FAQs)

Can a pulse oximeter detect sleep apnea?

Pulse Oximeters can detect sleep apnea when worn during bedtime. The device’s readings are collected and subsequently analyzed by professionals to determine obstructive sleep apnea frequency while you snooze. With early detection, you can begin treatment to forestall further complications.

Does sleep apnea cause low oxygen levels?

Sleep apnea leads to low oxygen levels in the blood, resulting in sleep disturbances, low energy levels, and fatigue. If left untreated, it could result in other health problems, including heart disease, memory loss, and hypertension. You should get help when you get a pulse oximeter reading that falls below 92%.

Does sleep apnea ever go away?

With the right treatment routine, the symptoms associated with sleep apnea can go away, allowing you to live a healthier life. A good weight loss plan for obese individuals and proper dieting are effective ways to improve the condition. Your preferred sleeping position also has a role to play.

Are low readings bad?

A low reading implies that you are at a high risk of developing hypoxia, where there is an insufficient supply of oxygen to your internal organs and tissues. Consult your physician for advice the moment you notice any drastic changes to your SpO2 readings. Improper finger placement or constant motion could also lead to incorrect translations. Be sure to pay attention to sudden changes in your body and take necessary action when the need arises.

Final Thoughts

People who snore may also be suffering from obstructive sleep apnea. It is necessary to detect the condition in time to begin treatment before it leads to something more severe.

With the right pulse oximeter, you can conveniently keep an eye on your blood oxygen levels and heart rate as you work on ridding yourself of the condition.

Leave a Reply

Your email address will not be published.