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Compare up to 10 devices across categories. Keep the purpose and the source beside the numbers.

How price order works

Lowest recorded store prices take priority over announced or launch prices, within the selected source market. Currencies use the dated EUR reference rates. Deposits and recurring charges are excluded from price order; missing prices stay last. Original price records remain visible.

The differences that matter

Noise Luna Ring (Gen1)

Sleep, readiness and activity wellness tracking

Keep in mind Wellness signals and app-derived sleep/activity scores are not a medical diagnosis. Fit, firmware and personal physiology affect readings.

Oura Ring Gen3

Sleep, physiological signals and daily activity tracking

Keep in mind Wellness signals and app-derived sleep/activity scores are not a medical diagnosis. Fit, firmware and personal physiology affect readings.

Published specifications and documented constraints. See the full comparison below for prices and sources.

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Noise Luna Ring (Gen1) versus Oura Ring Gen3
Smart ringsAdd a model
Noise Luna Ring (Gen1) - Original physical-device photograph of Noise Luna Ring (Gen1). SmartWearGuide has not hands-on tested this model. Photo/source credit: TechRadar / Future.
Smart rings · NoiseNoise Luna Ring (Gen1)Historical product
Oura Ring Gen3 - Original physical-device photograph of Oura Ring Gen3. SmartWearGuide has not hands-on tested this model. Photo/source credit: TechRadar / Future.
Smart rings · OuraOura Ring Gen3Discontinued
Prices · all markets
Price not verified
0 offer records & sources

No verified price in this audit.

$299 USD≈ €267 EURECB 2026-10-12US · Historical price · Gen3 no longer available for purchase; original introduction price only
2 offer records & sources
$299 USD≈ €267 EURECB 2026-10-12 US · Historical price
Gen3 no longer available for purchase; original introduction price only

Oura

Original Gen3 Heritage starting finish

Original maker introduction states Heritage starts at $299 and Horizon at $349. Style variations are one Gen3 hardware family, not separate devices.Check merchant offer ↗Price source ↗ Checked 2026-10-13
$349 USD≈ €312 EURECB 2026-10-12 US · Historical price
Gen3 no longer available for purchase; original introduction price only

Oura

Original Gen3 Horizon starting finish

Original maker introduction states Heritage starts at $299 and Horizon at $349. Style variations are one Gen3 hardware family, not separate devices.Check merchant offer ↗Price source ↗ Checked 2026-10-13
Designed forSleep, readiness and activity wellness tracking ↗Sleep, physiological signals and daily activity tracking ↗
SensorsInfrared PPG, skin temperature and 3-axis accelerometer ↗Not verified
Water / dust ratingMaker states up to 50 m equivalent resistance ↗Not verified
MaterialTitanium body, diamond-like coating and hypoallergenic inner shell ↗Titanium with PVD or DLC finish depending on colour ↗
Thickness3 mm ↗Not verified
Form factorFirst-generation smart ring ↗Smart ring; Heritage/Horizon styling in one hardware family ↗
Optical DesignThree LEDs, two photodiodes and three alignment bumps ↗Not applicable to this category
Temperature SamplingSkin temperature every 5 minutes ↗Not applicable to this category
WirelessBluetooth LE 5 ↗Not applicable to this category
RuntimeUp to 5 days ↗Not applicable to this category
Charge TimeApproximately 60 minutes ↗Not applicable to this category
FitSeven ring sizes ↗Not applicable to this category
LedsNot applicable to this categoryGreen, red and infrared LEDs ↗
TemperatureNot applicable to this categoryAdditional NTC temperature sensor compared with Gen2 ↗
AlignmentNot applicable to this categoryAdditional IR sensor supports alignment compensation ↗
MotionNot applicable to this categoryAccelerometers for activity and movement ↗
Inner SurfaceNot applicable to this categoryNon-metallic, BPA-free seamless inner moulding ↗
ChargingNot applicable to this categoryUSB-powered charger with colour-coded LEDs ↗
MeasurementNot applicable to this categoryDaytime, nighttime and activity heart-rate monitoring ↗
AvailabilityOriginal maker Gen1 launch and exact-model physical review verified. Gen1 current retail amount and stock not established.Oura explicitly says Gen3 rings and chargers are no longer available for purchase.
Important context
  • Wellness signals and app-derived sleep/activity scores are not a medical diagnosis. Fit, firmware and personal physiology affect readings.
  • Maker cognitive/lifespan and accuracy claims are not treated as proven outcomes.
  • Wellness signals and app-derived sleep/activity scores are not a medical diagnosis. Fit, firmware and personal physiology affect readings.
  • Photograph shows Heritage styling. Horizon is the same generation’s style variant and is not counted separately.
  • Membership/service terms and current compatibility must be checked for a used device.
Editorial pick & releaseNo editorial ranking recordedNo editorial ranking recorded
EvidenceManufacturer source Checked 2026-10-13Manufacturer source Checked 2026-10-13

Battery claims use different conditions and are not a controlled benchmark. “Not verified” is an evidence gap, not a missing feature. Prices are dated regional snapshots. Deposits, bundles and historical launch prices are labelled. Brightness measurement methods and battery workloads vary by manufacturer.