Comparison
Adola vs Oura Ring 4: honest comparison
The Oura Ring 4 set the standard for smart rings. But at $299 plus $5.99/month, the cost adds up fast. Here is how Adola compares on the features that actually matter for daily health tracking.
Where Adola wins
1.
Price. Adola costs $79.99 with no subscription. Oura costs $299 + $71.88/year. After 3 years you have spent $79.99 on Adola vs $442.76 on Oura.
2.
Built-in microphone. Adola has a PDM microphone for snore and cough detection. No Oura Ring has ever included a microphone.
3.
NFC. Tap-to-share contact cards and access control. Oura does not have NFC.
4.
No feature paywall. All Adola features are available from day one. Oura locks sleep insights, readiness scores, and detailed HRV behind the subscription.
Where Oura wins
1.
Track record. Oura has been shipping smart rings since 2015. Adola ships Q3 2026. Oura is proven hardware; Adola is a pre-order.
2.
Water resistance. Oura is rated to 100m. Adola is IP67, which covers rain, handwashing, and brief submersion but not swimming.
3.
App ecosystem. Oura has years of algorithm refinement and third-party integrations. Adola's app is new.
Side-by-side specs
Adola
Oura Ring 4
Price
$79.99
$299-$449
Subscription
None
$5.99/mo
Heart rate
MAX30102 PPG
Custom PPG
SpO2
Yes
Yes (sub)
Temperature
TMP117 ±0.1°C
±0.1°C
Sleep staging
Yes
Yes (sub)
Microphone
IM72D128 PDM
None
NFC
Yes
None
IMU
LSM6DSOX 6-axis
3-axis accel
Weight
~3 g
4-6 g
Thickness
2.4 mm
2.55 mm
Battery
5-7 days
5-7 days
Material
Grade 5 titanium
Titanium
Water
IP67
100m
Charging
Magnetic dock
Cradle
Processor
nRF52833
Not disclosed
Who should choose Adola?
If you want comprehensive health tracking without an ongoing subscription, need snore detection or NFC, or simply want a capable smart ring under $100, Adola is built for you. If you need a proven device that ships today with deep swim resistance, Oura is still the safer bet.
$5 refundable deposit · Ships summer 2026
Reserve yours -- $5