Top smart rings compared

About Top smart rings compared

Smart rings do the measuring without a screen, so the buying question narrows fast: what the ring costs at entry, what it costs to keep, what the sensors read, and how it runs between charges. This ranking covers 12 brands, judged on those points plus warranty, support and the markets each one sells into. Entry prices run €70.15 to €379, battery life runs 2 to 21 days, and recurring membership costs run €0 to €8.74. The main trade-off is entry price against measurement depth. Rings at the cheaper end give up sensors: ECG and blood pressure readings appear in only part of this field, while dearer rings add them and still charge nothing at renewal. Reach matters too, because several of these brands sell into a limited set of markets rather than everywhere. Every member works with 100% and 100% devices, so phone choice does not separate them. What separates them is cost at entry, cost at renewal, sensor set, water resistance, warranty term and market reach, and each blurb sets its brand against the one ranked next to it.

How we picked

Every position in this ranking comes from three weighted inputs. Cost carries the heaviest share at 40%, which covers the entry price and any recurring membership attached to it. The offer, meaning what you get for that money, carries 40%. Trust carries 20% and is built from warranty length, the support channels a buyer can reach, and the company standing behind the brand. Figures are taken from the brands' own materials. Product pages supply the entry price, the battery claim and the sensor list. Membership pages supply the recurring fee. Shipping policies list the markets served, and warranty and terms pages supply the warranty term, the water rating and the legal entity. Ranking statistics quoted here are rounded and describe the whole field rather than any single brand. Partner brands are placed first and every other brand follows in score order. 0 of the brands in this category are partners, so the order you see is score order throughout. Cost and offer carry the same weight, which is why a cheaper ring with fewer sensors can sit level with a dearer one that measures more.

Our top picks

1. 1. Ultrahuman Amazon

   Ultrahuman Amazon sits in the upper half of this ranking on price rather than capability. The entry price of €379 is the highest in a field whose prices run €70.15 to €379, and the membership is free, so there is no renewal bill. What the money buys is service: email, chat and phone covers email, chat, phone, a help centre and a community, the widest set in this ranking, alongside water resistance of 100 m and a battery claim of 15 days. The sensor list, heart rate, spo2 and skin temperature, stops at the core readings without ECG or blood pressure, and shipping covers IN, AE and US. METZ, ranked next, costs far less and runs a similar period between charges.

   • Price from: €379
   • Membership per month: €0
   • Battery life: 15 days

   Pros

   • The monthly membership on the Ultrahuman plan is €0, so the ring is a single purchase rather than a subscription you keep paying for.
   • Support runs on email, chat and phone, which is wider than an email address alone.
   • The app runs on iOS and Android, so the system on your phone does not narrow your choice.
   • Sensors cover heart rate, spo2 and skin temperature inside the ring, with nothing extra to strap on.
   • The ring is on sale across IN, AE and US, so you can order in your own market rather than a home market only.

   Cons

   • The Ultrahuman entry price of €379 sits above Oura at €265.30, so the upfront spend is the biggest reason to pause.
   • Battery life of 15 days ranks 7 of 23, so recharging stays part of the weekly habit.
   • Warranty cover runs 1 year, which is short for hardware worn every night and never taken off.
   • Ultrahuman sells smart ring alone, while Amazfit lists smartwatch, fitness tracker and smart ring and Samsung lists smartwatch and smart ring for anyone who wants a watch as well as a ring.

2. A2. Amazfit: best for top-pick

   Amazfit opens this ranking on price and battery together. The entry price of $79.99 sits at the cheap end of a field whose prices run €70.15 to €379, and the battery claim of 21 days tops the field's 2 to 21 days. The sensor list is the surprise: heart rate, spo2 and sleep includes GPS, which most rings in this category leave out, and water resistance reaches 100 m. The trade-off is support. Amazfit runs on email and a help centre through email and help centre, with no phone line, and it also sells watches, trackers, chest straps and scales. Oura, ranked next, costs more at entry and bills a membership every month, but adds a longer warranty and a far wider set of markets.

   • Price from: $79.99
   • Battery life: 21 days
   • Platforms: iOS, Android

   Pros

   • One of the widest device ranges here, spanning smartwatch, fitness tracker and smart ring, which covers both the smartwatch and tracker and the smart ring category Amazfit competes in.
   • Sensor coverage of heart rate, spo2 and sleep puts Amazfit ahead of Oukitel, whose range is limited to smartwatch.
   • Entry pricing of $79.99 sits below Withings, whose range covers smartwatch, fitness tracker and smart scale at a higher tier.
   • Battery life of 21 days on a mid-range model lands near the front of the smartwatch and tracker field.
   • Runs on iOS and Android, matching the mobile coverage of Runmefit.

   Cons

   • Support runs on email and help centre only, with phone and chat lines thin across the smartwatch and tracker ranking.
   • Amazfit is the only brand of this group offering smartwatch, fitness tracker and smart ring together in one catalogue, but that spread means the smart ring and smart scale lines sit alongside a broad range with no single focus.
   • The legal entity is Zepp Health Corporation, Ltd., based in HK, so warranty and consumer rights fall outside the UK while Oukitel and Runmefit sell closer to home.
   • Water resistance of 100 m is stated for a single model rather than across the range, which matters more for swimmers than the sensor list does.

3. S3. Samsung

   Samsung earns its high position in this ranking on measurement breadth. The sensor list, heart rate, spo2 and ecg, is the widest in the field, adding ECG, blood pressure and GPS to the usual heart rate, blood oxygen, heart rate variability, skin temperature and sleep readings. The membership is free, so nothing follows you at renewal, and the entry price of $299.99 sits inside the field range of €70.15 to €379. Battery life of 14 days is mid-pack, and the warranty term of 1 year is the shortest offered here. Help is arranged through help centre, chat and phone. Ultrahuman Amazon, ranked next, charges more at entry for a narrower sensor set and a shorter market list.

   • Price from: $299.99
   • Membership per month: $0
   • Battery life: 14 days

   Pros

   • The monthly membership is $0, so the hardware and its app carry no running cost after purchase.
   • Samsung covers smartwatch and smart ring, so a ring and a watch can share the same app and account.
   • The sensor set spans heart rate, spo2 and ecg, with blood pressure and skin temperature alongside heart rate and sleep.
   • Ring battery life of 14 days sits above the site median of 13 days.
   • Support runs on help centre, chat and phone, so phone and chat sit alongside the help centre and community boards.

   Cons

   • The entry price of $299.99 ranks 27 of 31 brands compared, so the starting figure sits high in the field.
   • Warranty cover of 1 year is brief, and there is no longer term offered to soften a long ownership.
   • The range is limited to smartwatch and smart ring, where Amazfit stretches to smartwatch, fitness tracker and smart ring.

4. 4. METZ

   METZ takes the cheapest entry price in this ranking, the lowest of the 12 brands listed. The ring costs €99.90 to buy, battery life runs 10 days, and a warranty of 2 years is among the longer terms here. Support reaches you through email, phone and help centre, and water resistance is 100 m. Two things to weigh: the sensor list, heart rate, spo2 and skin temperature, is the narrowest in this ranking and leaves out heart rate variability, and shipping covers AT, BE and BG, a European list that does not reach the US or Asia. RingConn, ranked next, costs more but adds heart rate variability, a free membership and a far wider market list.

   • Price from: €99.90
   • Battery life: 10 days
   • Platforms: iOS, Android

   Pros

   • The range covers smart ring and smartwatch, so a ring and a watch come from one seller rather than two.
   • The ring's heart rate, spo2 and skin temperature cover heart rate, blood oxygen, skin temperature and sleep, and the apps run on iOS and Android.
   • Support runs on email, phone and help centre, so email, phone and a help centre are all available routes.
   • A 2 years warranty on hardware starting at €99.90 outlasts the smart ring warranty median 1.
   • Water resistance to 100 m covers pool and shower use.

   Cons

   • Battery life of 10 days falls short of the smart ring median 14 and of the smartwatch median 11.5.
   • The catalogue stops at smart ring and smartwatch, while Amazfit lists smartwatch, fitness tracker and smart ring, so a chest strap and a smart scale sit outside the METZ range.
   • Shipping reaches AT, BE and BG, and that list does not extend past those markets.

5. R5. RingConn

   RingConn is the middle path in this ranking between a low price and wide reach. The entry price of $199 sits under the field median of €174.52, the membership is free, and the sensor list, heart rate, spo2 and hrv, covers heart rate, blood oxygen, heart rate variability, skin temperature and sleep. Battery life of 14 days matches Samsung, the warranty runs 1 to 2 years, and shipping reaches US, CA and MX. Support is limited to email, help centre and phone, with no chat or community, and GPS is not among the readings here, where Amazfit and ERA-FIT both record one. ERA-FIT, ranked next, records GPS and costs a little more, but ships to AT, DE and CH only.

   • Price from: $199
   • Membership per month: $0
   • Battery life: 14 days

   Pros

   • Membership of $0 means the app and the scores cost nothing extra after the ring is bought.
   • Battery of 14 days holds up against the smart ring field median of 14.
   • Sensors cover heart rate, spo2 and hrv, with skin temperature and heart rate variability both well represented in the field.
   • Ships to US, CA and MX, so a buyer outside a single domestic market is still served.
   • Water resistance of 100 m means the ring survives swimming and daily wear without removal.

   Cons

   • Battery of 14 days ranks below the smart ring field leader, where the median listed ring runs to 21.
   • The company sits in CN under Shenzhen Ninenovo Technology Limited, so buyers who prefer a domestic support base are buying cross border.
   • Warranty runs 1 to 2 years, at the low end where the smart ring list reaches 2.
   • Support runs on email, help centre and phone, without live chat, which 41.7% of the smart ring field offer.

6. 6. Ambrosia Systems

   Ambrosia Systems is in this ranking on price and the paid plan that follows it. Ambrosia Systems, Inc., based in the US and founded in 2016, lists the ring at $125 with a subscription behind the app of $9.97 a month, the priciest recurring charge in this ranking. Sensors read heart rate, spo2 and hrv, support runs on email, phone and help centre, and the warranty is 1 year. The clear limit is water, with 1 m of resistance against 100 m for METZ, so showers and pools need care. HUAWEI, the member beside it here, reaches 21 days of battery.

   • Price from: $125
   • Membership per month: $9.97
   • Platforms: iOS, Android

   Pros

   • Hardware starts at $125, and you can weigh that against the €265.30 Oura lists for its ring before you commit.
   • The app membership is $9.97 a month, a lighter recurring charge than the €56.97 median monthly plan price across the site.
   • Support runs on email, phone and help centre, so a hardware question can go to a person rather than a queue of messages.
   • smart ring is the only format offered, and the app runs on iOS and Android, so setup is the same on either phone family.

   Cons

   • The warranty runs 1 year, the same figure as the 1 median in the smart ring ranking, so cover is not longer than the field.
   • Water resistance of 1 m is not a swimming depth, so swimmers will need to take the ring off.
   • The $9.97 app membership sits on top of the $125 hardware price, so the first year costs more than the entry figure.
   • Only smart ring is offered, so there is no companion watch or scale to add from the same maker, unlike Amazfit's smartwatch, fitness tracker and smart ring.

7. 7. HUAWEI

   HUAWEI closes this ranking as a wide hardware maker rather than a ring specialist. The range covers smartwatch, fitness tracker and smart ring, and the sensor set of heart rate, ecg and skin temperature pairs ECG and GPS with the usual heart rate, sleep, temperature and HRV readings. Battery is 21 days, matching the longest figure in this ranking, and support runs on email, phone and help centre from Huawei Device Co., Ltd., which sells into AE, AR and AT. The limits are narrower: water resistance of 50 m is the lowest among the ring makers listed, and the warranty is 1 year. Ambrosia Systems, the member above it in this ranking, is the more specialised pick on metabolic readings.

   • Battery life: 21 days
   • Platforms: iOS, Android
   • Water resistance (m): 50

   Pros

   • Battery life of 21 days runs well past the smartwatch and tracker median of 11.5, and HUAWEI ranks 4 of 23 brands on that measure.
   • One maker covers smartwatch, fitness tracker and smart ring, where Oukitel's range is smartwatch alone.
   • The watches pair with iOS and Android, so the handset you own does not narrow your choice of device.
   • Sensors cover heart rate, ecg and skin temperature, including ECG and skin temperature, and the watch is water resistant to 50 m.
   • The line-up is sold across a broad market list, AE, AR and AT, from the UK and the US through Europe, Asia, the Middle East, Africa and Latin America.

   Cons

   • The warranty runs 1 year, while brands in this comparison reach 2 on the same measure, so cover is the weak spot on an otherwise long-lived device.
   • Live chat sits outside email, phone and help centre, which leaves phone, email, a help centre and a community forum to carry the support load.
   • Amazfit adds a chest strap and a smart scale to its range, smartwatch, fitness tracker and smart ring, and HUAWEI's smartwatch, fitness tracker and smart ring has no equivalent accessories to pair the watch with.

8. RD8. RingConn DE: best for RingConn DE

   RingConn DE is the German RingConn store for smart rings at de.ringconn.com.

   • Markets: DE

   Pros

   • Ring lineup spans entry use through Gen 2 and Gen 3 detail
   • Gift path for Gen 3 adds a sizing kit before redemption
   • Plain reports turn measurements into readable health trends
   • Vascular views plus cycle and breathing related cues broaden context

   Cons

   • Focus stays on rings alone, so device choice feels narrow
   • Online ordering plus sizing steps can slow your decision

9. B9. BKWAT: best for BKWAT

   BKWAT sells smart rings that track fitness, stress and sleep, with round-the-clock health tracking.

   • Markets: US

   Pros

   • Tracks sleep, fitness, heart rate, blood oxygen and HRV daily
   • Includes rings, smartwatches and connected glasses for choice
   • Pairs quickly and syncs steadily with compatible phones
   • Supports day and night tracking with efficient power design

   Cons

   • Focused on wellness awareness rather than medical diagnosis
   • Needs compatible phones for pairing and data syncing
   • Ring lineup uses designs without a display for daily wear

10. 10. Oura

    Oura holds the slot right behind Amazfit because it is the most complete ring here on service rather than price. Support runs through help centre, chat and email, and the warranty runs 1 to 2 years. It ships to AX, AE and AR, the widest market list in this ranking, and the ring carries water resistance of 100 m. Against that, the entry price of €265.30 sits well above the field's €70.15 to €379, and the membership of €5.99 is a renewal cost most other rings here do not carry. Battery life of 6 to 9 days also sits at the short end. Samsung, ranked next, adds ECG, blood pressure and GPS and charges nothing at renewal.

    • Price from: €265.30
    • Membership per month: €5.99
    • Battery life: 6 to 9 days

    Pros

    • Entry price of €265.30 is below Ultrahuman Amazon at €379, so the ring costs less at the point of purchase.
    • The sensor set covers heart rate, spo2 and hrv, giving sleep, temperature, blood oxygen, heart rate and variability readings with nothing to wear on the wrist.
    • A warranty of 1 to 2 years runs well past the 1 years of cover across the smart ring group.
    • Support runs on help centre, chat and email, so you can reach a person by phone as well as in writing.

    Cons

    • The membership adds €5.99 every month on top of a €265.30 ring, while the smart ring group sits at €0 a month, so a recurring charge is not the norm in this category.
    • Battery life of 6 to 9 days is short next to the 14 days of the smart ring group, so charging becomes a regular habit.
    • The range is smart ring only, while Amazfit covers smartwatch, fitness tracker and smart ring, so a watch, strap or scale has to come from another maker.
    • On starting price Oura ranks 28 of 31 brands, which places the ring toward the expensive end of the field.

What to look for

Entry price, not headline discount

Start with what the ring costs outright. In this category the median first price is €174.52, the lower quartile sits at €111.37 and the upper quartile at €264.19. Rings near the median usually carry the core sensors, while the dearer end tends to add ECG or blood pressure work.

What it costs at renewal

A membership changes the total over the life of the ring. The median monthly fee in this category is €0 and the upper quartile is €0, so most rings add nothing once bought, while the top of the range reaches €8.74. Read that figure before you choose.

Battery between charges

Battery claims set the charging habit. The median claim in this field is 14, the lower quartile 8 and the upper quartile 15, with the lowest claim at 2 and the highest at 21.

Which readings you actually need

Sensor lists differ more than prices do. Heart rate and sleep tracking sit with every ring here, skin temperature and heart rate variability with 83.3% of them, while ECG appears in 33.3% and blood pressure in 25%.

Reach, warranty and support

Check where the ring ships and who answers when it faults. Email reaches 91.7% of the brands here and a help centre 91.7%, but a phone line is offered by only 58.3%. Warranty terms run to 2 years at the top, with a median of 1.

Frequently asked questions

Top smart rings compared by country

• Australia
• Canada
• France
• Germany
• Italy
• Netherlands
• Spain
• United Kingdom
• United States

Brands compared head to head

• Ultrahuman Amazon vs METZ

The data behind this ranking

All data and the CSV