Compare smart rings

Oura Ring 5 is the benchmark. Samsung Galaxy Ring 2 is the challenger — arriving early 2027 with a reported solid-state battery and no subscription. Pick any two or three to compare, or scan the leaderboards below.

Updated October 2026

Build your comparison

Pick any two or three rings and see the specs side by side. A tick marks a spec backed by a quoted, linked source.

Add up to 3 · 3 selected

	Oura Ring 5 $399–$499 Roadmap →	Samsung Galaxy Ring 1 $399.99 Roadmap →	RingConn Gen 3 $349 Roadmap →
Price	$399–$499	$399.99	$349
Ongoing cost	$5.99/mo or $69.99/yr required; without it only three daily scores	None	None
Battery	6–9 days	Up to 7 days (5–7 real-world)	11–14 days (alerts off) · 10–12 days (alerts on) / 150+ with case
Works with	iOS + Android	Android (limited iOS)	iOS + Android
Fit and sizes	6–13	5–15	6–15
Water resistance	100m waterproof	IP68 + 10ATM	100m
Blood pressure	Blood Pressure Signals (trend, not clinical)	No	Vascular-health trends, not single readings
Sleep apnea	Breathing disturbances	FDA-cleared apnea risk detection (rolling out fall 2026)	Risk screening; no FDA clearance located
Blood sugar	No ring sensor, Stelo integrates via the app (US only)	No	No
GLP-1 tracking	Yes	No	No
Weight	2.0–2.69g	2.3–3.3g	2.5–3.5g
Materials	Titanium	Grade 5 titanium	Titanium
FSA/HSA	Yes	Yes	Yes
AI	Oura Advisor	Galaxy AI	AI insights
Processor	Smart Sensing (re-engineered)	—	—
Connectivity	Bluetooth LE	Bluetooth	Bluetooth 5.0
			Check price →

By the numbers

The category winners, and the data behind them. Every number traces to a published or leaked spec.

Longest battery

RingConn Gen 3

up to 14 d

Standalone runtime well ahead of the next closest (RingConn Gen 2, up to 12 d).

Best value

Amazfit Helio Ring

$149.99

Cheapest device we track, and never requires a subscription.

BatteryPrice

Longest battery life

Manufacturer's stated maximum, in days — higher is longer.

up to 14 d

up to 12 d

up to 10 d

up to 9 d

up to 8 d

Samsung Galaxy Ring 1

up to 7 d

QALO SR-2 Smart Ring

up to 5 d

Amazfit Helio Ring

up to 4 d

Multi-day battery is the ring category's signature. Devices with no published runtime aren't shown.

Cheapest smart rings

Device price — lower is cheaper. Excludes optional subscriptions.

$149.99

$199.95

$199

$299

$349

$349

Samsung Galaxy Ring 1

$399.99

Oura Ring 5

$399–$499

Device floor price only. Oura's required membership ($5.99/mo) is excluded from this figure.

Capability grid — who does what

The health-sensor split is the real differentiator between rings.

Health-sensor features

A filled dot means the ring ships the sensor; hover any dot for the exact spec.

Blood pressure

Glucose

GLP-1

Samsung Galaxy Ring 1

Samsung Galaxy Ring 2

Has it Partial / optional No

Roadmaps

QALO SR-2 Smart Ring

$199.95 · On sale now in the US and Canada

The QALO SR-2 is on sale at $199.95 in sizes 6 to 14, with no subscription. Sold in the US and Canada.

Full roadmap →

Oura Ring 4

$349 · Available now

Oura Ring 4 runs five to eight days, weighs as little as 3.3g and is rated to 100m. It launched at $349 and is discounting now that Ring 5 is here.

Full roadmap →

Oura Ring 5

$399–$499 · Available now

Oura is pushing the ring past sleep and recovery. The bigger story is how much health monitoring it can move onto your finger.

Full roadmap →

Ultrahuman Ring Pro

$479 · Available now

Ultrahuman Ring Pro ships now at $479 with 15-day battery and no required subscription. Sold in the US again since June.

Full roadmap →

Samsung Galaxy Ring 1

$399.99 · Available now

Samsung's first ring asks for no subscription and does not work on an iPhone. Six to seven days of battery, grade 5 titanium.

Full roadmap →

Samsung Galaxy Ring 2

Unknown, Galaxy Ring 1 was $399 · Unknown, ETNews reports an early-2027 target

Galaxy Ring 2 delayed to early 2027. The current ring isn't worth buying in the meantime unless you need it today.

Full roadmap →

RingConn Gen 2

$299 · Available now

RingConn Gen 2 runs 10 to 12 days, 150 with the charging case, and never asks for a subscription. It launched at $299.

Full roadmap →

RingConn Gen 3

$349 · Available now

RingConn Gen 3 taps your finger for health alerts. No subscription, $349.

Full roadmap →

RingConn Gen 2 Air

$199 · Available now

RingConn Gen 2 Air is the cheapest way in at $199, with up to ten days of battery and no subscription.

Full roadmap →

Evie Ring

$269 at discontinuation · Discontinued, Movano exited; assets and IP transferred

Amazfit Helio Ring

$149.99 · Available now

The Amazfit Helio Ring skips the subscription and rates to 10 ATM. Amazfit's US store has stopped listing it, but Amazon still sells it.

Full roadmap →

Ring Finder

Find your ring in 3 questions

Sleep, recovery, advanced health sensors or all-day wear — answer a few questions and we'll match you to the ring that fits.

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Updated October 2026 · Specs verified from manufacturer announcements and confirmed reports. Some specs are estimated or reported — see individual roadmap pages for sourcing.