SamsungSpec score 8.7
Smart ring, Under 10 days
+Tracks sleep without a phone needed
+Works without an app subscription
+Ring form is discreet for all-day wear
−Battery lasts under 10 days per charge
No current price. Check it at the store.
Product details
Spec score8.7
Pros+Tracks sleep without a phone needed
+Works without an app subscription
+Ring form is discreet for all-day wear
Cons−Battery lasts under 10 days per charge
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
−Waterproof not listed: 14 of the 20 here list one
How pros and cons are picked (About: Disclaimer) About this product
VanberraySpec score 8.7
Smart ring, Under 10 days
+Tracks heart rate, blood oxygen and sleep
+Works without a phone
+No subscription fee needed
−Battery lasts under 10 days
$47.98-20%List: $59.99
as of 11/04/2026 09:39 PST - DetailsProduct details
Spec score8.7
Pros+Tracks heart rate, blood oxygen and sleep
+Works without a phone
+No subscription fee needed
Cons−Battery lasts under 10 days
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
−Waterproof not listed: 14 of the 20 here list one
How pros and cons are picked (About: Disclaimer) About this product
PolarSpec score 8.7
Screenless band, Under 10 days
+Under 10 days: the most battery days of the 20 here
−Waterproof not listed: 14 of the 20 here list one
$189.63-5%List: $199.99
as of 11/04/2026 00:41 PST - DetailsProduct details
About this product
MaxKiteSpec score 9.5
Smart ring, Women, Under 10 days
+Slim ring form for discreet daily wear
+Tracks heart rate, blood oxygen and sleep
+Designed for women's health tracking
−Battery lasts under 10 days per charge
No price recorded yet.
Product details
Spec score9.5
Pros+Slim ring form for discreet daily wear
+Tracks heart rate, blood oxygen and sleep
+Designed for women's health tracking
+No subscription fee required to use
Cons−Battery lasts under 10 days per charge
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
How pros and cons are picked (About: Disclaimer) BiemhaSpec score 9.5
Smart ring, Under 10 days
+Tracks sleep and exercise for health monitoring
+Smart ring form factor worn on the finger
+No subscription needed to use core features
−Battery lasts under 10 days per charge
$41.99-14%Was: $48.99
as of 11/04/2026 13:36 PST - DetailsProduct details
Spec score9.5
Pros+Tracks sleep and exercise for health monitoring
+Smart ring form factor worn on the finger
+No subscription needed to use core features
Cons−Battery lasts under 10 days per charge
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
How pros and cons are picked (About: Disclaimer) About this product
WuzuTechSpec score 9.5
Smart ring, Under 10 days
+Smart ring form factor, less bulky than a watch
+Tracks 20+ biometrics according to the name
+Waterproof for swimming and showering
−Battery lasts under 10 days, shorter than many trackers
$59.99
as of 11/03/2026 23:22 PST - DetailsProduct details
Spec score9.5
Pros+Smart ring form factor, less bulky than a watch
+Tracks 20+ biometrics according to the name
+Waterproof for swimming and showering
+No subscription required
Cons−Battery lasts under 10 days, shorter than many trackers
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
How pros and cons are picked (About: Disclaimer) About this product
TrackJoySpec score 9.5
Smart ring, Under 10 days
+Tracks heart rate, blood oxygen, HRV and stress
+Tracks sleep in a compact smart ring
+Waterproof for wear in water
−Battery lasts under 10 days
$59.99
as of 11/04/2026 09:39 PST - DetailsProduct details
Spec score9.5
Pros+Tracks heart rate, blood oxygen, HRV and stress
+Tracks sleep in a compact smart ring
+Waterproof for wear in water
+No subscription fee needed
Cons−Battery lasts under 10 days
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
How pros and cons are picked (About: Disclaimer) About this product
RstsoeSpec score 9.5
Smart ring, Under 10 days
+Smart ring form factor worn on the finger
+Tracks sleep and HRV health data
+No subscription required to use the device
−Battery life is under 10 days
$59.99
as of 11/04/2026 01:37 PST - DetailsProduct details
Spec score9.5
Pros+Smart ring form factor worn on the finger
+Tracks sleep and HRV health data
+No subscription required to use the device
Cons−Battery life is under 10 days
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
How pros and cons are picked (About: Disclaimer) About this product
OpoveSpec score 9.5
Smart ring, Under 10 days
+Tracks blood oxygen in a smart ring
+Waterproof for wet conditions
+No subscription required
−Battery lasts under 10 days per charge
$199.99
as of 11/04/2026 00:33 PST - DetailsProduct details
Spec score9.5
Pros+Tracks blood oxygen in a smart ring
+Waterproof for wet conditions
+No subscription required
Cons−Battery lasts under 10 days per charge
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
How pros and cons are picked (About: Disclaimer) About this product
FuomutoSpec score 9.5
Smart ring, Under 10 days
+Measures heart rate and blood oxygen
+Smart ring form factor
+No subscription required
−Battery lasts under 10 days
$79.00
as of 11/03/2026 23:04 PST - DetailsProduct details
Spec score9.5
Pros+Measures heart rate and blood oxygen
+Smart ring form factor
+No subscription required
Cons−Battery lasts under 10 days
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
How pros and cons are picked (About: Disclaimer) About this product
CevsthoSpec score 9.5
Smart ring, Under 10 days
+Tracks heart rate, blood oxygen, steps and sleep
+Waterproof for wear in water
+No subscription required to use tracking
−Battery lasts under 10 days per charge
$129.90
as of 11/03/2026 22:20 PST - DetailsProduct details
Spec score9.5
Pros+Tracks heart rate, blood oxygen, steps and sleep
+Waterproof for wear in water
+No subscription required to use tracking
Cons−Battery lasts under 10 days per charge
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
How pros and cons are picked (About: Disclaimer) About this product
GenhaoqiSpec score 9.5
Smart ring, Under 10 days
+Tracks sleep activity
+Waterproof construction for everyday wear
+No subscription required to use features
−Battery lasts under 10 days between charges
$58.98
as of 11/04/2026 03:40 PST - DetailsProduct details
Spec score9.5
Pros+Tracks sleep activity
+Waterproof construction for everyday wear
+No subscription required to use features
Cons−Battery lasts under 10 days between charges
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
How pros and cons are picked (About: Disclaimer) About this product
AmovanSpec score 9.5
Smart ring, Under 10 days
+Tracks sleep over 24 hours
+Monitors heart rate continuously
+Waterproof construction for everyday wear
−Battery lasts under 10 days between charges
$55.99
as of 11/04/2026 03:40 PST - DetailsProduct details
Spec score9.5
Pros+Tracks sleep over 24 hours
+Monitors heart rate continuously
+Waterproof construction for everyday wear
+No subscription required to use features
+Battery lasts under 10 days per charge
Cons−Battery lasts under 10 days between charges
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
How pros and cons are picked (About: Disclaimer) About this product
BiemhaSpec score 9.5
Smart ring, Under 10 days
+Tracks sleep and exercise activity
+Smart ring form factor worn on the finger
+Works with both iOS and Android phones
−Battery lasts under 10 days per charge
No price recorded yet.
Product details
Spec score9.5
Pros+Tracks sleep and exercise activity
+Smart ring form factor worn on the finger
+Works with both iOS and Android phones
+No subscription needed to use core features
Cons−Battery lasts under 10 days per charge
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
How pros and cons are picked (About: Disclaimer) About this product
BiemhaSpec score 9.5
Smart ring, Under 10 days
+Tracks sleep for nightly health monitoring
+Smart ring form factor worn on the finger
+No subscription needed to use core features
−Battery lasts under 10 days per charge
No price recorded yet.
Product details
Spec score9.5
Pros+Tracks sleep for nightly health monitoring
+Smart ring form factor worn on the finger
+No subscription needed to use core features
Cons−Battery lasts under 10 days per charge
Compared with the 15 Fitness Trackers on this page+Under 10 days: the most battery days of the 20 here
How pros and cons are picked (About: Disclaimer) About this product
