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Circular Ring 2 vs Aurora Motion 2.0 Blood Pressure Ring

The Circular Ring 2 is the better health device for most people. It has a titanium body, an ECG that reads in about 40 seconds, 7-day battery life and no subscription for core features. The Aurora Motion 2.0 is a comfortable ring with a clear app and blood pressure trends every 30 minutes, but its listed specs are a mess and its health tools are fewer. Buy the Circular for ECG and build. Buy the Aurora if blood pressure trends are your main goal.

  • Choose the Circular Ring 2 if you want an ECG, a titanium build and a week of battery without a subscription.
  • Choose the Aurora Motion 2.0 if blood pressure trends every 30 minutes and family data sharing matter more to you than ECG.

Prices

  • Circular Ring 2: $124.99 at eBay (last seen Nov 12)
  • Aurora Motion 2.0 Blood Pressure Ring: $149.99 at Aurora Ring (last seen Nov 13)
  • Difference: the Circular Ring 2 is $25.00 cheaper than the Aurora Motion 2.0 Blood Pressure Ring at the latest prices (Nov 12 and Nov 13)
Circular
Circular Ring 2

Circular Ring 2
$124.99at eBayChecked Nov 12
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Pros
  • ECG in about 40 seconds, praised by a cardiology professional
  • Titanium body at about 4 g, light enough to forget
  • Up to 8 days of battery; full charge in 30 minutes
  • IP68 and rated to 50 m for swimming and showers
  • No subscription for core health features
Cons
  • Blood pressure and glucose tracking are still listed as coming soon
  • No screen, so you check everything in the app
  • Battery drops to about 5 days with heavy use
Aurora Motion
Aurora Motion 2.0 Blood Pressure Ring

Aurora Motion 2.0 Blood Pressure Ring

4.6(464 ratings)
$149.99at Aurora RingChecked Nov 13
See all prices and details
Visit Aurora Ring
Pros
  • Blood pressure trends logged every 30 minutes, day and night
  • 4.6 out of 5 from 464 ratings
  • Clean app with sleep score, VO2 Max and family sharing
  • No monthly subscription
Cons
  • Listed specs describe a motor controller, not a ring, so key figures are unverified
  • No stated water resistance rating
  • ECG is app-based insights, not a dedicated reading like the Circular

What separates them

Circular Ring 2Aurora Motion 2.0 Blood Pressure Ring
Body materialTitanium with hypoallergenic interior and PVD coatingNot stated; owners describe a premium feel
ECGBuilt-in ECG, about 40 seconds per readingOn-demand ECG insights in the app
Blood pressureListed as coming soonAutomatic trends every 30 minutes, day and night
Battery lifeUp to 8 days, about 5 with heavy use; full charge in 30 minutesMulti-day, exact figure not stated
Weight and sizeAbout 4 g, 2.55 mm thick, 7.8 mm wideNot stated for the ring
Water resistanceIP68, rated to 50 mNot stated
SubscriptionCore features free; AI coach includedNo monthly subscription required
App and sharingKira AI coach turns biomarkers into adviceClean app with sleep score, VO2 Max and family sharing

Price history

$169.99$124.99
Nov 6Nov 13
  • Circular Ring 2: lowest $124.99 on Nov 7 at eBay; $124.99 on Nov 13.

Prices at every store

Circular Ring 2

  • eBayNew

    In stock

    $124.99Free shippingChecked Nov 12
    Visit eBay
  • magicJackNew

    In stock

    $249.00Checked Nov 13
    Visit magicJack
  • StackSocialNew

    In stock

    $349.00+ $9.99 shippingChecked Nov 12
    Visit StackSocial
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $169.99Free shippingChecked Nov 12
    Visit Amazon

Store links may earn us a commission.

All 5 stores and price history →

Aurora Motion 2.0 Blood Pressure Ring

  • Aurora RingNew

    Availability unknownShips from France · duties may applyReturn policy

    $149.99Checked Nov 13
    Visit Aurora Ring
Prices and history →

Specs compared

SpecCircular Ring 2Aurora Motion 2.0 Blood Pressure Ring
Weight4g1.1 lb. (499g)
Battery life8天—
Thickness2.55mm—
Width7.8mm—
Water resistanceIP68—
Charging time30分钟充满—
Battery life (performance)约五天—
Body material钛金属—
ECG reading time40s—
Water resistance depth50m—
Input biometrics7—
Health tools14+—
Show all 22 specsShow fewer specs
SpecCircular Ring 2Aurora Motion 2.0 Blood Pressure Ring
Bus Voltage Range—120V
Peak Current—10A
Output Power—1200W
Efficiency—> 95% (full load)
Operating Temperature—– 40 °C to 71 °C
Size—6.5” W x 3.38” L x 0.9” H
Continuous Motor Current—5 Amps
PWM Frequency—40 kHz
Output Power per Axis—600W per Axis
Communication Interfaces

What reviewers say

Circular Ring 2

Owners of the first Circular ring and early Ring 2 buyers describe a comfortable, well-built titanium ring whose ECG and sleep data are useful but not as polished as Oura's. Complaints center on battery life falling short of the claim and on app reliability.

What people mention
  • BatteryCriticisedOwners report about five days per charge rather than the claimed eight.
  • ComfortPraisedThe 4g titanium shell is described as barely noticeable during sleep and exercise.
  • ECGPraisedReadings complete in around 40 seconds and are easy to take from the app.
  • AppMixedThe app covers 14+ health tools but sync and firmware updates have been unreliable for some.

Aurora Motion 2.0 Blood Pressure Ring

  • 4.6 / 5464 ratings

Owners rate it highly, praising comfort, the clear app and the range of metrics in one place. Many say the daily insights help them make better decisions without feeling overwhelmed.

What people mention
  • ComfortPraisedOwners say the ring is comfortable enough to forget you're wearing it, day and night.
  • App clarityPraisedReviewers call the app clean and easy to understand, with insights presented clearly.
  • BatteryPraisedBuyers report multi-day battery life from the ring and charging case.

Questions and answers

Which ring is better for heart health?
The Circular Ring 2, if you want a real ECG reading in about 40 seconds. The Aurora is better for tracking blood pressure trends through the day, but its ECG is app-based insight rather than a dedicated reading.
Does the Circular Ring 2 track blood pressure?
Not yet. Blood pressure and glucose trends are listed as coming soon. The Aurora Motion 2.0 already logs blood pressure trends every 30 minutes.
Which lasts longer between charges?
The Circular Ring 2, at up to 8 days, or about 5 with heavy use. Aurora does not state a figure, only multi-day battery life.
Can I swim with either ring?
The Circular Ring 2 is IP68 and rated to 50 m, so yes. Aurora does not state a water resistance rating, so treat it as splash-resistant only.
Is the Aurora worth stepping up to over the Circular?
Only if blood pressure trends and family sharing are your priority. The Circular wins on build, ECG and battery, and both avoid a subscription.
Do either need a subscription?
No. Circular keeps core features free and includes its Kira AI coach. Aurora states no monthly subscription is required.

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CAN, RS-422
  • BuildPraisedOwners describe a premium feel and a look like a normal ring.