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Oura Ring vs Samsung Galaxy Ring

One charges you monthly to read your own data and has the best sleep modelling in the category. The other charges nothing and only really works on a Samsung phone. Your phone and your tolerance for a subscription decide this, not the sensors.

By Stephen V.Updated How we review
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If you carry a Samsung Galaxy phone and object to a monthly fee, buy the Samsung Galaxy Ring. If you carry an iPhone, or you want the most refined sleep staging and readiness modelling available and will pay monthly for it, buy the Oura Ring 5. Those are the only two situations in which this comparison has a clean answer, and which phone is in your pocket settles it more often than any sensor specification does.

The third thing you should know is uncomfortable for a page with these two products in the title: neither of them wins on three-year cost. The RingConn Gen 3 has no subscription, a rated 14-day battery and sleep-apnea pattern insights, and over three years it costs less than the Oura does and less than the Galaxy Ring does with its sizing kit. It is pick three below, and it is the honest default if you have no platform loyalty.

What this comparison is not about is sensor hardware. Both rings read photoplethysmography and skin temperature from the palm side of the finger, both are titanium, both are comfortable enough to forget, and both are strong at the thing rings are good at: measuring you while you lie still. The differences that matter are the business model, the phone, and how much interpretation you get for your money.

The short answer

Quick picks

#ProductBest forScorePrice
01
Samsung Samsung Galaxy Ring
Samsung Galaxy Ring

The head-to-head winner for Samsung phone owners, for one reason: there is no app subscription. Titanium body, a multi-day battery on Samsung's figures, and Samsung Health integration that is genuinely deep if your phone is a Galaxy and genuinely thin if it is not. Sold size by size, so order the sizing kit before the ring.

Best for Samsung phone owners
7.4
$324.99Amazon
02
Oura Oura Ring 5
Oura Ring 5

The better ring, and the more expensive way to own one. The sleep staging and readiness modelling are the most refined in the category, the temperature sensor adds illness and cycle trends the Galaxy Ring does not match, and it works properly on an iPhone. The membership is the price of admission and it never stops being the price of admission.

Best data, and the iPhone answer
8.4
$399.00Amazon
03
RingConn Gen 3 Smart Ring

The ring that beats both of the ones in the title on three-year cost. No subscription at all, a rated 14-day battery, sleep-apnea pattern insights and on-finger vibration alerts, and it does not care which phone you own. The app is less polished than Oura's; the total cost is dramatically lower than either.

Best three-year cost
9.0
Check price →

#ad · Live prices from the Amazon Product API, as of October 18, 2026. Where we have no verified live price, we show none — a gap beats a number that has rotted.

In detail

The picks, in full

01
Samsung Samsung Galaxy Ring

Best for Samsung phone owners

Samsung Galaxy Ring

No app subscriptionSamsung Health integrationTitanium, sold by sizeMulti-day battery
7.4/10

The head-to-head winner for Samsung phone owners, for one reason: there is no app subscription. Titanium body, a multi-day battery on Samsung's figures, and Samsung Health integration that is genuinely deep if your phone is a Galaxy and genuinely thin if it is not. Sold size by size, so order the sizing kit before the ring.

Sleep data depth
8
Phone compatibility
5
Three-year cost
8
Battery
8
App maturity
8

Pros

  • No membership fee — the purchase price is the whole price
  • Deep integration with Samsung Health and Galaxy phones, including Galaxy Watch pairing
  • Titanium construction and a multi-day battery
  • Backed by a manufacturer that will still exist in five years

Cons

  • The experience is substantially weaker outside the Samsung ecosystem, and poor on iPhone
  • Priced against Oura without matching Oura's depth of sleep analysis
  • Sold in fixed sizes — the sizing kit is a separate step before you can order

Don't buy this if…

…you use an iPhone — you would be paying for ecosystem integration you cannot reach, and the Oura below is the better iPhone ring.

The Galaxy Ring wins this head-to-head on arithmetic rather than sensing. Buy it and you have paid once. Buy the Oura and you have paid once, and then you keep paying to read what the ring measured. Over three years that gap routinely exceeds the price of the ring itself, which does not make Oura a bad product but does make it a different purchase from the one the sticker price implies.

The catch is the platform. Samsung Health is where the ring's data lives and the phone it was designed around is a Galaxy. On an iPhone the proposition falls apart, and unlike Garmin, Samsung has no incentive to fix that. Sizing is not optional either: the sensor has to sit flat against the palm side of the finger and the correct ring size is often not your jewellery size, which is why every serious manufacturer sells a kit and tells you to use it. Our full shelf ranking is at best smart rings.

$324.99View on Amazon

$399.9919% off

Price as of October 18, 2026. Prices change — Amazon's at checkout is the one that counts.

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02
Oura Oura Ring 5

Best data, and the iPhone answer

Oura Ring 5

PPG + temperature sensors6-9 day battery100m water resistantMembership required
8.4/10

The better ring, and the more expensive way to own one. The sleep staging and readiness modelling are the most refined in the category, the temperature sensor adds illness and cycle trends the Galaxy Ring does not match, and it works properly on an iPhone. The membership is the price of admission and it never stops being the price of admission.

Sleep data depth
10
Phone compatibility
10
Three-year cost
4
Battery
8
App maturity
10

Pros

  • Class-leading sleep staging and overnight HRV from the finger
  • Digital temperature sensor adds illness and cycle trends
  • Works fully on iPhone and Android, unlike the Galaxy Ring
  • The most mature app and the largest body of published validation work

Cons

  • An ongoing membership fee to read the insights you bought the hardware for
  • Sold in fixed sizes, and Ring 5 sizing differs from the Ring 4's
  • Three-year cost is the highest of any ring on this page by a wide margin

Don't buy this if…

…you object to paying monthly for data your own body generated — the Galaxy Ring and the RingConn both charge nothing.

Nobody sensible disputes that Oura has the best-developed platform here. The sleep staging is the most scrutinised in the consumer category, the readiness score is properly modelled rather than a repackaged step count, and the temperature baseline is the feature that turns "I feel off" into a visible deviation the night before symptoms arrive. The Ring 5 is also noticeably smaller than the Ring 4 it replaced, which matters for something you sleep in.

It ranks second here only because this page is scored partly on three-year cost, and on that axis a subscription ring cannot win. If the data depth is what you are buying and the fee is acceptable, the order flips and Oura is the right ring. We do the arithmetic explicitly in is the Oura Ring worth it, and the fee-free alternatives in Oura Ring alternatives.

$399.00View on Amazon

Price as of October 18, 2026. Prices change — Amazon's at checkout is the one that counts.

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03

Best three-year cost

RingConn Gen 3 Smart Ring

No subscriptionUp to 14-day batterySleep apnea pattern insightsiPhone or Android
9.0/10

The ring that beats both of the ones in the title on three-year cost. No subscription at all, a rated 14-day battery, sleep-apnea pattern insights and on-finger vibration alerts, and it does not care which phone you own. The app is less polished than Oura's; the total cost is dramatically lower than either.

Sleep data depth
8
Phone compatibility
10
Three-year cost
10
Battery
10
App maturity
7

Pros

  • No membership fee, and no platform requirement either
  • Rated up to 14 days between charges — the longest battery on this page
  • Sleep-apnea pattern insights and vascular trends, both fee-free
  • Costs less up front than both title rings and far less over three years

Cons

  • App and insight quality lag behind Oura's
  • Smaller validation record than Oura's
  • Vascular readings are trends after a one-time calibration, not single measurements

Don't buy this if…

…you want the most refined readiness modelling available and are willing to pay monthly for it, or you specifically want Samsung Health integration.

Check price on Amazon →

We don't have a verified live price for this right now, so we aren't showing one.

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Side by side

Oura Ring 5Samsung Galaxy Ring
SubscriptionRequired to see the insightsNone for the app features
Works properly withiPhone and AndroidSamsung Galaxy phones
Battery6-9 daysMulti-day, up to about a week on Samsung's figures
Sleep and readiness modellingThe category benchmarkGood, less derived insight
Temperature sensingYes, with illness and cycle trendsYes, with less interpretation on top
SizingFixed sizes, kit requiredFixed sizes, kit required

Do the three-year sum before you decide anything else

This is the whole decision, so treat it as one. A no-fee ring's three-year cost is its purchase price. A subscription ring's three-year cost is its purchase price plus thirty-six months of membership, which for most services lands near — or above — the cost of the ring again. That is not automatically a bad deal: continuous development, better modelling and a support operation cost money, and the fee funds them. But make the trade deliberately rather than discovering it in month two.

The phone is a hard filter, not a preference

The Galaxy Ring's advantage is integration: your ring, your Galaxy Watch and your phone in one Samsung Health timeline. On an iPhone that advantage disappears and you are left with a good ring and a thinner app, priced as though you had the integration. Oura and RingConn are both genuinely platform-neutral. If you might switch phones inside the life of the ring, that asymmetry is worth more than any single metric on the spec sheet.

What a ring measures well, and what it does not

Rings are strong on everything you do lying still: overnight heart-rate variability, resting heart rate, sleep duration and staging, respiratory rate and skin-temperature deviation from your own baseline. That is the entire recovery picture for most people and the reason to buy one. They are weak on active exercise — no GPS, no serious workout tracking, and optical accuracy from a finger degrades under movement and grip. If you want training data, that is a watch or a chest strap, and if you want both in one device the comparison you actually want is Apple Watch vs Garmin.

Neither ring measures blood pressure

No consumer ring does, whatever an advertisement implies, and no ring on this page claims to. We go through what the sensors can and cannot produce in do fitness trackers measure blood pressure.

How we picked

We did not lab-test this gear

Everyone in this category says they tested twenty products. We have not lab-tested any of these, and we say so. What we did instead: compiled the published specifications, pulled the numbers from the manufacturer manuals, ran the cost-to-run and cost-per-unit math where there was math to run, and scored each product against a published rubric. The scores are judgments from documented research — not measurements we took, because we do not have a lab and we will not pretend we do. Where a number came from someone else's work, we name them in Sources.

Questions

Frequently asked

Is the Oura Ring better than the Samsung Galaxy Ring?
On data and app quality, yes — Oura's sleep staging and readiness modelling are the most refined in the category and it works properly on either phone. On cost of ownership, no, because the Galaxy Ring has no app subscription and the Oura membership never ends. Which of those two facts matters more to you is the actual decision.
Does the Samsung Galaxy Ring work with an iPhone?
Not well. The ring is built around Samsung Health on a Galaxy phone, and that is where the integration and most of the value sit. iPhone owners should look at the Oura Ring 5 or the RingConn Gen 3, both of which are fully platform-neutral.
Does the Galaxy Ring have a subscription?
No subscription is charged for the app's features, which is the single biggest reason a Samsung phone owner would pick it over an Oura. That is also why it ranks ahead of Oura on this page's three-year cost axis.
What about the Oura Ring 4 — is it still worth buying?
It is the previous generation, it sits on the same membership model, and its body is larger than the Ring 5's. If it is discounted it is a cheaper way into Oura's app, but check the sizing separately, because Ring 5 sizing differs from Ring 4 sizing. If the membership is what is putting you off, the fee-free options are in Oura Ring alternatives.
Which ring has the best battery?
The RingConn Gen 3, at a rated 14 days — roughly double the Oura's 6 to 9 days and longer than the Galaxy Ring. Battery matters more on a ring than it sounds like it should: the metrics you buy a ring for are all collected overnight, so a ring on a charger at bedtime is a ring with a hole in its record.
Do I really need the sizing kit?
Yes. Rings are sold in fixed sizes, the sensor has to sit flat against the palm side of the finger, and fingers change size with heat, salt and time of day — so the right size is frequently not your jewellery size. Skipping the kit is the most common reason a ring gets returned. Most people get the cleanest signal on the index finger.

Keep reading

Related

Receipts

Sources

We do not run a testing lab, and we do not pretend to. Where a measured number came from someone else's work, we name them and link them. Where we could not verify something, we say so on the page rather than quietly leaving it out. Read our full method.