Finally, A Smart Ring That Rivals My Oura 4 With No Subscription Fee

ZDNET's cardinal takeaways

• The RingConn Gen 2 is simply a subscription-free smart ringing that monitors sleep, exercise, and stress.
• It monitors your sleep, activity, stress, and vitals, and it's sewage a marathon artillery life.
• The only downside is nan personification interface feels underdeveloped.

Most smart rings these days declare to connection marathon artillery lives, but often autumn short of their promise. Many smart rings declare to past a week's worthy of battery, but only make it to 5 aliases six days earlier dying connected me. Part of nan entreaty of smart rings, compared to smartwatches, is their longer artillery life, truthful what gives? 

Also: 4 wellness trackers I'd urge to anyone (and why they make specified a large difference)

I've sewage 1 for you if you want a smart ringing pinch a genuinely competitory artillery life. I've been testing nan RingConn Gen 2 smart ringing that boasts a marathon artillery life of 10 to 12 days. The smart ringing comes pinch different perks -- and a fewer drawbacks -- that I'll get to below. 

Right disconnected nan bat, nan RingConn 2 has immoderate greenish flags. Unlike competing smart ringing brands pinch products that commencement astatine $350 and spell each nan measurement up to $400 aliases $450, this smart ringing costs $300 -- and does not require a subscription to summation afloat entree to your wellness data. Sizing starts astatine size six and goes done size 14, and you tin get nan ringing successful 3 colors: silver, black, and gold. 

The build of nan ringing is much quadrate than circular, but I recovered myself unbothered by this unsocial shape. It fits comfortably astir my digit pinch nary problems. Despite patient and predominant wear, nan ringing doesn't tarnish easy either. 

Also: I turned my Apple Watch into a dumbphone pinch this speedy fix

The RingConn Gen 2 comes pinch a lawsuit that extends its already impressively agelong artillery life, powering nan smart ring's quiet artillery for complete 150+ days. As personification who is perpetually charging respective wearable devices astatine a time, this long-lasting charging lawsuit that I could usage without hooking nan smart ringing up to an outlet made maine partial to RingConn. 

Most smart rings connection up regular scores for 2 to 3 important wellness metrics: sleep, activity, and readiness. Readiness is calculated based connected yesterday's activity, really you slept, and different biometric data, for illustration really precocious your bosom complaint dropped arsenic you slept. 

Also: The champion slumber trackers of 2025: Expert tested and reviewed

The RingConn Gen 2 measures your vitals, sleep, activity, and stress, but doesn't measurement readiness. Instead of readiness, it provides a Wellness Balance feature. It takes each of nan aforementioned information and displays it successful a flower-like graph, pinch longer petals for nan biometrics that are gathering aliases exceeding nan recommended benchmarks and shorter petals for those that aren't. 

When each your petals are nan aforesaid length, it indicates that your wellness is astatine equilibrium. I liked that I could spot each nan important information displayed successful specified a digestible and ocular mode correct arsenic I opened nan app. 

RingConn's Wellness Balance compiles your activity, sleep, vitals, and accent scores into a holistic illustration of your health. 

Screenshot by Nina Raemont/ZDNET

Hardcore trainers usage nan readiness aliases power characteristic connected their smart ringing apps to gauge really aggravated their workout regimen should beryllium for nan day. If that's you, you mightiness beryllium displeased pinch nan Wellness Balance functionality, and I'd urge nan Oura Ring, Ultrahuman Ring, aliases Galaxy Ring instead. 

The app delivers your scores alongside discourse that helps pass nan reasoning down your slumber aliases vitals score. I was sick 1 time while testing nan ringing and spent nan full time sleeping. Because of nan ample magnitude of clip I spent successful bed, it told maine that excessively overmuch slumber tin slow down my metabolism aliases lead to weight gain. 

Also: The champion smart rings of 2025: I tested and recovered an evident winner

RingConn says that nan artillery connected its second-generation ringing lasts up to 10 to 12 days, but successful my testing, I recovered that it only lasted seven. Still, that's acold longer than nan artillery lives of different smart rings I've tried, which past 4 to 5 days connected a azygous charge. I tin opportunity without a uncertainty that this smart ringing has nan astir awesome artillery life retired of each marque I've tried. 

Nina Raemont/ZDNET

According to its website, nan RingConn Gen 2 besides boasts a slumber apnea discovery characteristic pinch 90.7% accuracy. If you're a chronic snorer looking to study much astir really your breathing impacts you passim nan night, nan slumber apnea characteristic could thief show your conditions and reply immoderate of your questions. 

It tells you erstwhile location are important aliases insignificant outliers successful your slumber passim nan night, providing not only a chart detailing this but besides a timeline showing erstwhile your SpO2 fluctuated during nan night. 

I wore nan Oura Ring 4 successful tandem pinch nan RingConn Gen 2 and recovered that nan second seems to underestimate some nan clip spent dormant and nan steps I've taken passim nan day. 

Also: Oura Ring users are customizing their wearables pinch this clever creation hack

The RingConn and Oura some classed my slumber ratio successful nan 87th and 88th percentiles. Oura said I sewage 11 hours and 8 minutes of sleep, while RingConn said I spent 10 hours and 50 minutes asleep. RingConn reported 11,091 steps, while Oura reported 15,259 steps. I've seen successful various Reddit threads that nan Oura Ring tends to overestimate measurement count, which could relationship for nan awesome disparity successful steps betwixt rings. 

On a patient nighttime of sleep, Oura recorded 8 hours and 2 minutes, a slumber ratio of 94%, and a slumber people of 90. RingConn recorded an 84 slumber score, 7 hours and 45 minutes asleep, and a slumber ratio of 91%. In some cases, RingConn is subtracting astir 15 minutes from my night's sleep. 

ZDNET's buying advice

I enjoyed astir aspects of wearing this subscription-free smart ring, and astatine $300 ($50 little than competitors), it's a smart ringing I'd urge to those looking for an replacement to Oura's subscription-based services. particularly if you want a smart ringing pinch a artillery life that will really past you a week earlier recharging. 

The 1 area wherever I noticed RingConn's smart ringing lacking was successful its personification interface. The app feels underdeveloped, and immoderate of nan messages lacked individual discourse that proved they were being generated from my ain data. On 1 bully slumber people day, each that it said erstwhile I clicked connected nan slumber tab was: "Good slumber makes you happy." That's my only existent gripe, and I dream nan recommendations tin go much tailored and informative successful early package updates. 

Otherwise, nan RingConn Gen 2 is an awesome smart ringing pinch broad wellness metric monitoring that's connected nan cheaper extremity of nan smart ringing spectrum. It accurately tracks slumber pinch features for illustration slumber apnea monitoring that could thief you uncover your snoring patterns, it's sewage a marathon artillery life (plus a charging lawsuit pinch 150 days' worthy of juice successful it), and a build you tin deterioration comfortably. 

Looking for nan adjacent champion product? Get master reviews and editor favorites with ZDNET Recommends.