RENPHO LYNX Smart Ring
Smart Rings

RENPHO LYNX Smart RingPrice, Features & No-Subscription Tracking

Ask about the RENPHO LYNX Smart Ring

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Buy at RENPHO$179.99
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No release date reportedGuide updated

The RENPHO LYNX Smart Ring tracks sleep, heart rate and HRV, blood oxygen, stress, steps, distance and calories, and rolls them into a daily Health Index in the free Renpho Health app. There is no subscription. It is rated 5 ATM, comes with a charging case and cable, and works with iPhone and Android, syncing to Apple Health and Google Health Connect.

Where it shines

  1. Low price

    One payment of $179.99 with no subscription and a charging case in the box.

  2. Sleep

    Sleep cycles and a sleep score, alongside heart rate, HRV and blood oxygen.

  3. Cycle tracking

    Women's health tracking in the free app.

Comparison

Compare smart rings

How it compares

Price

$179.99

The official list price to buy it.

Weight

Not confirmed

Grams on your finger. Lower is lighter.

Battery life

Not confirmed

How long it lasts on its own, away from a charger.

Price

RENPHO LYNX Smart Ring
$179.99
Leep Ring
$199
QALO SR-2
$199.95
RingConn Gen 3
$349
Oura Ring 5
$399

Battery life

Current list prices.

Ring weights change with size. These are the officially quoted size.

Battery life can vary based on usage, settings and firmware version.

If not this one

  • If health sensors decides itRingConn Gen 3

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    $349
  • If water resistance decides itOura Ring 5

    Built tougher: 100m waterproof, against 5 ATM here.

    $399

Most paired with

Everything it works with

What the RENPHO LYNX Smart Ring works with

A smart ring that works with iPhone and Android.

Does the RENPHO LYNX Smart Ring work with iPhone?

Works

The LYNX works with an iPhone through the free Renpho Health app.

What you need
The Renpho Health app.

Does the RENPHO LYNX Smart Ring work with Android?

Works

The LYNX works with an Android phone through the free Renpho Health app.

What you need
The Renpho Health app.

Quick answers

All FAQs

Quick answers

How much does the RENPHO LYNX Smart Ring cost?
$179.99 at RENPHO's US store, down from a regular price of $199.99. Shipping is free.
How should I wear the RENPHO LYNX Smart Ring?
With the orientation indicator facing your palm, for the most accurate readings. Take it off before putting lotion or other slippery products on your hands.
Should I buy the RENPHO LYNX?
Good to buy. No new model is close and the price is near its low, so we'd buy now. It is $179.99 at RENPHO, price checked Nov. 2, 2026. See the full answer on the RENPHO LYNX

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Works with

Does it work with…?

Works

The LYNX works with an Android phone through the free Renpho Health app.

What you need
The Renpho Health app.
Works

The Renpho Health app syncs with Apple Health.

Works

The Renpho Health app syncs with Google Health Connect.

Works

The LYNX works with an iPhone through the free Renpho Health app.

What you need
The Renpho Health app.

Most paired with

Does the RENPHO LYNX Smart Ring work with iPhone?

Works

The LYNX works with an iPhone through the free Renpho Health app.

What you need
The Renpho Health app.

Does the RENPHO LYNX Smart Ring work with Android?

Works

The LYNX works with an Android phone through the free Renpho Health app.

What you need
The Renpho Health app.

What you need

Does the RENPHO LYNX Smart Ring work with Android?

Works

The LYNX works with an Android phone through the free Renpho Health app.

What you need
The Renpho Health app.

Does the RENPHO LYNX Smart Ring work with iPhone?

Works

The LYNX works with an iPhone through the free Renpho Health app.

What you need
The Renpho Health app.

Supports

Works

The LYNX ring uses Renpho Health on iOS and Android.

What you need
Renpho Health app
What works
Ring insights, Apple Health and Google Health Connect syncing
Good to know
Connected health services must be supported and permissions granted.
Works

RENPHO LYNX syncs data to Apple Health and Google Health Connect.

What you need
Renpho Health app and corresponding platform health integration
What works
Health app syncing on iOS and Android
Good to know
The specific data field export matrix is not documented.

How it works

Works

It charges in the charging case in the box, with the included cable.

Works

No subscription. The Renpho Health app is free to use with the ring.

Works

RENPHO rates the ring 5 ATM and says it handles swimming and hiking.

At a glance

RENPHO LYNX Smart RingTHIS PRODUCTRENPHO LYNX Smart RingLeep RingCOMPARE WITHLeep Ring
Works with
iPhone and Android with the free Renpho Health appsyncs with Apple Health and Google Health Connect
iPhone and Android, with the free Leep appsyncs to Apple Health and Google Health Connect
Water resistance
5 ATM
IP68, up to 50m (164ft)
Price
From $179.99
From $199
Ongoing cost
Nonethe Renpho Health app is free
None
Show 7 more specs
Cycle tracking
Women's health tracking
Unknown
Ring sizes
Unknown
6 to 14
FSA/HSA eligible
Eligible with most FSA and HSA accounts
Unknown
HRV
Yes
Yes
Sleep stages
Unknown
Estimated sleep stages
Stress tracking
Stress level tracking
Real-time stress estimates
Weight
Unknown
2.5gto 6g, by size
Technical specs
Connectivity
Bluetooth
Bluetooth Low Energy
Width and thickness
Unknown
2.22mmthick at its thinnest, sizes 6 to 14
Buy
See prices
See prices
RENPHO LYNX Smart Ring
RENPHO

Good to buy.

No new model is close and the price is near its low, so we'd buy now.

RENPHO LYNX

About RENPHO

RENPHO

RENPHO makes connected health devices for everyday use, including the LYNX Smart Ring.

Visit RENPHO

Where to buy

StorePriceIn stockAction
RENPHO$179.99In stockBuy

Price history

No new model is close and the price is near its low, so we'd buy now.

Price history
Still collecting (1 of 7 days)
Stores we check
1RENPHO

All smart ring prices

What's in the box

What comes in the box with the RENPHO LYNX Smart Ring?

Here is what you get when you open it.

RENPHO LYNX Smart Ring
Charging case
Charging cable
User manual

From RENPHO. Checked Nov 2, 2026.

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Frequently asked questions

Questions about RENPHO LYNX

Top questions

How much does the RENPHO LYNX Smart Ring cost?
$179.99 at RENPHO's US store, down from a regular price of $199.99. Shipping is free.
How should I wear the RENPHO LYNX Smart Ring?
With the orientation indicator facing your palm, for the most accurate readings. Take it off before putting lotion or other slippery products on your hands.
Should I buy the RENPHO LYNX?
Good to buy. No new model is close and the price is near its low, so we'd buy now. It is $179.99 at RENPHO, price checked Nov. 2, 2026. See the full answer on the RENPHO LYNX
Does the RENPHO LYNX Smart Ring need a subscription?
No. It works with the free Renpho Health app, with no subscription fees.
What does the RENPHO LYNX Smart Ring track?
Sleep, blood oxygen, stress, heart rate and HRV, steps, distance and calories, plus walking and running workouts and women's health. It sums your data into a daily Health Index score.
Is the RENPHO LYNX Smart Ring waterproof?
RENPHO rates it 5 ATM and says it handles swimming and hiking.
How does the RENPHO LYNX Smart Ring charge?
It comes with a charging case and a charging cable. The case adds an extra charge and stores the ring when you are out.
What comes in the RENPHO LYNX Smart Ring box?
The ring in silver or black, the charging case, a charging cable and a user manual. A sizing kit is optional.
How do I find my RENPHO LYNX ring size?
RENPHO offers a free sizing kit as an option when you order.
What is the RENPHO LYNX Smart Ring warranty?
RENPHO gives an 18-month warranty and a 30-day money-back guarantee.
Can I pay for the RENPHO LYNX Smart Ring with an HSA or FSA?
Yes. RENPHO says it is eligible with most Flexible Spending Accounts and Health Savings Accounts.

Using it

Do I need a subscription?
No, there is no subscription.
What does it cost?
It costs $179.99. That is the list price.
Does it work with my phone?
Yes, it works with an iPhone or an Android phone.
Does it measure blood oxygen?
Yes, it measures your blood oxygen.
Does it track heart rate?
Yes, it tracks your heart rate.
Does it track HRV?
Yes, it tracks your HRV.
Does it track sleep stages?
Yes, it tracks your sleep stages.

Water

Can it get wet (shower, pool, swimming)?
Yes, you can shower and swim in it. It is rated to 5 ATM. It is not for scuba diving.

Price and models

Is there a newer one?
No. The RENPHO LYNX Smart Ring is the current model.

In the box

What's in the box?
RENPHO LYNX Smart Ring, Charging case, Charging cable, User manual.

Works with

Does the RENPHO LYNX Smart Ring support Health integrations?
Yes, RENPHO LYNX syncs data to Apple Health and Google Health Connect. Works
Does the RENPHO LYNX Smart Ring work with iPhone?
Yes. The LYNX works with an iPhone through the free Renpho Health app. Works
How does the RENPHO LYNX Smart Ring handle subscription?
No subscription. The Renpho Health app is free to use with the ring. Works
How does the RENPHO LYNX Smart Ring handle water?
RENPHO rates the ring 5 ATM and says it handles swimming and hiking. Works
Leep Ring