Device Overview
Ultrahuman Ring Air
The Ultrahuman Ring Air is a sleek, lightweight ring designed specifically for sleep tracking and overall wellness. It has a minimalist design and is easy to use – a popular choice among people who want a non-intrusive sleep-tracking solution.
This device focuses primarily on sleep and activity tracking. It provides detailed insights into your sleep stages, including deep, light, and REM sleep. It also tracks your heart rate, body temperature, and movement, offering a comprehensive overview of your sleep health.

A close-up view of the Ultrahuman Ring Air.
Google Pixel Watch 2
The Google Pixel Watch 2 is a multi-functional smartwatch with a wide range of health and fitness features. While it’s not solely focused on sleep tracking, it provides detailed sleep insights alongside other health metrics like heart rate, blood oxygen levels, and activity tracking.
With its sleek design and advanced capabilities, the Google Pixel Watch 2 is ideal for those who want a device that can do it all. It integrates seamlessly with Google’s ecosystem, offering access to various apps and services that can enhance your health and wellness journey.

People wearing their Google Pixel Watch 2.
Features Comparison
Sleep Monitoring Accuracy
Though both devices provide high accuracy in sleep monitoring, their monitoring methods differ. The Ultrahuman Ring Air uses advanced sensors and features such as Circadian Rhythm Tracking and Caffeine Window Detection to track your sleep stages and movements precisely. It provides detailed reports that can help you understand your sleep patterns better.

This is the app that comes with the Ultrahuman Ring Air device.
The Google Pixel Watch 2, while also accurate, uses a combination of sensors and algorithms such as cEDA to monitor your sleep. It offers insights into your sleep duration, quality, and stages. Additionally, it can detect sleep disturbances and provide recommendations to improve your sleep quality.

Sleep score displayed on the Google Pixel Watch 2.
Battery Life
Battery life is a crucial factor when choosing a sleep tracker. The Ultrahuman Ring Air excels in this area, offering up to 6 days of battery life on a single charge (full charge takes about 90 minutes). This means you can wear it continuously without worrying about frequent recharging.
In contrast, the Google Pixel Watch 2 offers up to 24 hours of battery life. While this is sufficient for daily use, it requires more frequent charging, which might be inconvenient for some users. This difference in battery life can be a deciding factor if you want less maintenance and uninterrupted sleep tracking.
Wearability and Comfort
The Ultrahuman Ring Air stands out due to its lightweight and non-intrusive design. Weighing around 2.4 to 3.6 grams (it weighs as much as a US penny), it’s 11 times lighter than a typical smartwatch. This makes it extremely comfortable to wear, even during sleep, without feeling bulky or restrictive.
The Google Pixel Watch 2, while sleek and stylish, is a wrist-worn device that some users might find less comfortable to wear overnight. The watch’s band and size can sometimes cause discomfort, especially for those who are not used to wearing a watch while sleeping.
Additional Health Metrics
The Ultrahuman Ring Air provides additional health metrics such as heart rate variability (HRV), stress levels, and body temperature.
The Google Pixel Watch 2 also provides a broader range of health metrics. In addition to sleep tracking, it monitors your all-day body responses, breathing rate, resting heart rate, and blood oxygen levels, and even provides ECG readings.
User Experience
Interface and Usability
The Ultrahuman Ring Air has a minimalist interface that makes it easy to use, even for those who are not tech-savvy. The ring connects to a user-friendly free app that provides detailed sleep reports and actionable insights.
In contrast, the Google Pixel Watch 2 has a more complex interface since it has a wide range of features. While this can be beneficial for those who want a multi-functional device, it can also be overwhelming for some users. The watch integrates with Google’s ecosystem, providing access to various apps and services, which can enhance your overall user experience.
App Integration
The Ultrahuman Ring Air connects to a dedicated app that focuses on sleep and activity tracking. The app is compatible with both Android and iPhone devices and provides detailed insights and recommendations to help you improve your sleep quality.
The app also features an ecosystem called PowerPlugs, which includes add-on extensions for monitoring specific health aspects like AFib detection, cardio adaptability, and menstrual health. While most PowerPlugs are free, some may have a monthly subscription fee.
The Google Pixel Watch 2 integrates seamlessly with Google Fit and other health apps. This allows you to track your sleep, activity, and other health metrics in one place. The watch also provides access to various third-party apps, providing additional features and functionalities that can enhance your health and wellness journey.
Cost and Value
Value for Money
Google Pixel Watch 2 is priced at $249.99, making it a more affordable option compared to the Ultrahuman Ring Air, which is priced at $349.
If you’re looking for a dedicated sleep tracker with a long battery life and comfortable design, the Ultrahuman Ring Air might be the better option. However, if you want a versatile device with a wide range of health metrics and integrates seamlessly with Google’s ecosystem, the Google Pixel Watch 2 might be worth the extra investment.
Final Thoughts
Both the Ultrahuman Ring Air and the Google Pixel Watch 2 are excellent sleep trackers, each with its unique strengths. The Ultrahuman Ring Air stands out for its dedicated focus on sleep tracking, long battery life, and comfortable design. It is an ideal choice for those who want a specialized device that provides detailed sleep insights without the need for frequent recharging.
On the other hand, the Google Pixel Watch 2 provides a comprehensive suite of health and fitness features - making it a versatile option for users who want more than just sleep tracking. Its integration with Google's ecosystem and additional health metrics make it a valuable health monitoring tool.
Pulsetto: A Perfect Complement for Sleep Tracking
While the Ultrahuman Ring Air and Google Pixel Watch 2 are excellent devices for tracking sleep and providing valuable insights into your sleep patterns, sometimes additional support is needed to improve sleep quality.
Pulsetto, a vagus nerve stimulator, can be a perfect complement to these sleep trackers by addressing the underlying stress and anxiety that often disrupt sleep. Pulsetto delivers mild electrical impulses to the vagus nerve located in the neck area. This non-invasive stimulation can help induce relaxation, lower heart rate, and improve mood—this is beneficial for managing stress, anxiety, and sleep difficulties.

The Pulsetto VNS device worn around the neck.
Using Pulsetto for just a few minutes each day can greatly improve relaxation and sleep quality, with studies showing that 86% of users felt calmer and less anxious after two weeks of regular use.
Plus, with benefits like free worldwide shipping, a 30-day money-back guarantee, and a 2-year warranty, Pulsetto is a valuable investment in enhancing your well-being.
Take control of your sleep health today!
Frequently Asked Questions (FAQ)
What are the main differences between the Ultrahuman Ring Air and Google Pixel Watch 2?
The Ultrahuman Ring Air is a lightweight ring specifically designed for sleep tracking, offering features like sleep duration and stage monitoring, heart rate variability, and body temperature tracking. The Google Pixel Watch 2, on the other hand, is a multifunctional smartwatch providing comprehensive health metrics, including sleep tracking, heart rate, SpO2, and more, along with app integration and interactive feedback.
How does battery life compare between the two devices?
The Ultrahuman Ring Air has a battery life of up to 6 days on a single charge, ideal for extended wear without frequent recharging. In contrast, the Google Pixel Watch 2 has a shorter battery life of up to 24 hours with always-on display, necessitating daily charging.
Which device is more comfortable for continuous wear?
The Ultrahuman Ring Air is designed for minimal intrusion and continuous wear, making it comfortable even during sleep. The Google Pixel Watch 2, while stylish and versatile, is a wrist-worn device that may be less comfortable for some users, especially when worn overnight.
Do I need a subscription to access all features on these devices?
No subscription is required for the Ultrahuman Ring Air to access its features. The Google Pixel Watch 2, however, offers enhanced sleep insights and additional features through a Fitbit Premium subscription.
How can Pulsetto complement these sleep-tracking devices?
Pulsetto, a vagus nerve stimulator, can enhance sleep quality by reducing stress and promoting relaxation, making it a perfect complement to the sleep-tracking capabilities of both the Ultrahuman Ring Air and Google Pixel Watch 2. While these devices track sleep data, Pulsetto helps address underlying stress and anxiety, supporting a holistic approach to better sleep and well-being.