Wellue O2Ring vs. Lookee Ring Sleep Oxygen Monitor

Product Comparison

Are you on the search for a device that will help you track your oxygen levels overnight? Are you looking for guidance on which one out of the many options available is the best for you?

After heavily researching the best overnight pulse oximeter options to meet your wireless oxygen monitoring needs, I’ve found that it really comes down to two brands: Wellue (in collaboration with Viatom technology for some products) and Lookee.

To successfully conduct home overnight oximetry, I’ve determined that a pulse oximeter that fits like a ring (like the two devices reviewed here) is the best option. This is because they:

  • Fit comfortably
  • Stay on securely while sleeping (unlike fingertip pulse oximeters)
  • Don’t have any wiring that could be at risk of disconnecting overnight

The Wellue O2Ring and Lookee Ring Sleep Oxygen Monitor are both ring sensor overnight pulse oximeters with similar features and price point. Therefore, to help you decide which is the best overnight pulse oximeter for you, I’ve created a helpful side-by-side comparison of these devices.

Fast Answer

Ultimately, when considering the Lookee vs Wellue ring pulse oximeters, I’ve determined that the Wellue O2Ring is the best-in-class option for overnight oxygen monitoring. The following table highlights key differences that show why I think the Wellue O2Ring is a better option for you.

Wellue O2RingLookee Ring Sleep Oxygen Monitor
The design is less bulky and sleek, making it more comfortable to wear while sleepingThe dimensions are slightly larger in this device
The ring portion is more sturdy and durableSome users report the ring is too thin and doesn’t seem like it will last long
Oxygen levels and heart rate are tracked more frequently (every second)Oxygen levels and heart rate are tracked every 4 seconds
The vibration alarm be used for detecting both low oxygen level and abnormal heart rateThe vibration alarm can only be used for detecting low oxygen level
Analysis reports can be viewed on either a computer or a mobile appAnalysis reports can only be viewed on a mobile app
Analysis reports can be printed for sharing with your physicianDoes not produce printable analysis reports
The device has dust and water resistance rating of IP24Not water resistant

The Details

My Pick: Wellue O2Ring

Wellue O2Ring Oxygen Monitor

The Wellue O2Ring is an extraordinary oxygen saturation tracker, as firstly, it’s the perfect size and fit.

It fits comfortably over the thumb or finger, leaving the rest of the hand free for movement. The ring fit allows it to stay on securely throughout the night and doesn’t slip off. The ring perimeter is 2-3.2 inches (50-82 mm) and adjusts to fit within all finger sizes in this range.

This pulse oximeter collects an impressive amount of data during one recording session, as it continuously tracks oxygen levels, pulse rate, and motion every second. It has a built-in memory for data collection, but data can also be stored using the Android or iOS app or the Mac or PC software.

The app or software provides overnight oximetry interpretation and gives you access to detailed analysis reports of blood oxygen levels, heart rate, and body movements. It produces high resolution trend charts with 4-second intervals. You can also easily generate professional PDF or CSV reports to instantly send to your doctor for further analysis.

I know this is a lot of talk about data, and you might find it overwhelming. The good news is that the reports are easy to read if you have the right guidance. Click here to see my guide to how you should be interpreting these results (bookmark this page to refer to once you get your new pulse oximeter!).

Now let’s get to one of my favorite features of the Wellue O2Ring. It vibrates when low oxygen levels or abnormal heart rate is detected. The vibration feature can be customized by intensity of vibration, what you want it to vibrate for (ie, oxygen, heart rate, or both), and at what threshold for each.

Furthermore, an added benefit of the vibration alarm is that if you’re sharing a bed with a partner, it only wakes you up (unlike a sound alarm, which might wake up your partner).

Recharging the device is easy, as it only requires USB connection. Furthermore, the battery life of 12-16 hours is more than sufficient, as you can get about two night’s use out of it before it requires a recharge.

Pros and Cons Reported by Customers

ProsCons
Ring fit is comfortable, secure with no concerns for disconnecting overnightSome reported app issues
Vibrates when oxygen levels are below normalSome dislike the software
Can be set to vibrate at a customized oxygen level and vibration intensityDoes not sync with Apple Health
Collects accurate readings and creates detailed analysis reports on app or computer software that can be printed and shared

Runner Up: Lookee Ring Sleep Oxygen Monitor

The Lookee Ring Sleep Oxygen Monitor is a strong contender with its patented ring sensor, silent vibration alarm, and compatible mobile app for viewing analysis reports.

The device is rectangular in shape and fits like a ring over the thumb or finger, freeing the rest of the hand. It continuously tracks oxygen saturation levels and heart rate, and records data every 4 seconds.

The Lookee Ring Sleep Oxygen Monitor has a silent vibration alarm that can be set to one of five different intensity levels to alert you when oxygen levels drop below a preset threshold limit. You can set the threshold limit to your preferred level using the mobile app. It’s important to note that the vibration alarm cannot be used for heart rate.

Data collected by the device can be viewed in the compatible mobile app, which also generates helpful analysis reports to help you see how your oxygen levels are doing.

However, it’s not compatible with a computer and doesn’t generate printable reports to share with your doctor.

Pros and Cons Reported by Customers

ProsCons
Ring fits comfortably and securelySome reports of the display being difficult to read
Vibrates when oxygen levels are lowSome reports of ring being too thin and not durable
Can be set to vibrate at a customized oxygen level and vibration intensityAnalysis reports cannot be viewed on a computer or printed
Collects accurate readings and creates detailed analysis reports on mobile appDoes not vibrate when heart rate is low

Wellue O2Ring vs. Lookee Ring Sleep Oxygen Monitor

 Wellue O2RingLookee Ring Sleep Oxygen Monitor
Works with CPAPYesYes
FitFits on thumb or fingerFits on thumb or finger
Product dimensions1.5 x 1.2 x 1.5 in1.8 x 1 x 1.8 in
Weight15 g (0.52 oz)18 g (0.64 oz)
Ring perimeter2.4-3.4 in (60-86 mm)2.3-3.1 in (59-80 mm)
Wireless capabilityBluetoothBluetooth
Prolonged trackingContinuously tracks oxygen levels and heart rate every secondContinuously tracks oxygen levels and heart rate every 4 seconds
Oxygen level range70-99%70-100%
Alarm/notificationSilent vibration alarmSilent vibration alarm
Customizable alarmAdjustable vibration intensity and threshold of blood oxygen and heart rateAdjustable vibration intensity and threshold of blood oxygen only
Printable/shareable reportsPrint/share professional PDF/CSV analysis report of oxygen levels and heart rateReports can be viewed in app but does not generate printable PDF reports
Display interval in app4 seconds4 seconds
PC/Mac softwareYesNo
BatteryRechargeable via USB with 12-16 hours battery lifeRechargeable via USB with >16 hours battery life
Built-in memoryYes, 4 sessions up to 10 hours eachYes, 4 sessions up to 10 hours each
Water resistantYes (IP rating: IP24)No
Amazon rating4.3 / 54 / 5
PriceCheck PriceCheck Price

Closing Points

Wellue O2Ring Oxgyen Monitor Smart Ring Sleep Apnea Monitor

When it comes down to it, the Lookee Ring Sleep Oxygen Monitor is lacking a few key features, making it a less appealing ring sensor pulse oximeter option compared to the Wellue O2Ring.

Given the above points and the small price difference between these pulse oximeters, I believe the Wellue O2Ring is the best choice for overnight oxygen saturation monitoring for you.

Wondering about the difference between Wellue vs Viatom after reading this? Wellue and Viatom collaborated to make the Wellue O2Ring. It’s manufactured with Viatom technology and distributed by Wellue.

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