# RENPHO LYNX Smart Ring

The text version of the iDevice Guide at https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap. Same data as the page, last updated 2026-11-02.

> RENPHO's smart ring: sleep, heart rate, HRV, blood oxygen, stress, steps and women's health, 5 ATM water resistance and a charging case, with no subscription. $179.99 at RENPHO's US store.

- Status: On sale
- List price: $179.99 (The official starting price.)
- Guide: https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap
- Last updated: 2026-11-02

## Can it do this?

- **Do I need a subscription?** No. The Renpho Health app is free. ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#can-do-i-need-a-subscription))
- **What does it cost?** It costs $179.99. That is the list price. ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#can-what-does-it-cost))
- **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. ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#can-can-it-get-wet-shower-pool-swimming))
- **Does it work with my phone?** Yes, it works with an iPhone or an Android phone. ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#can-does-it-work-with-my-phone))
- **Does it measure blood oxygen?** Yes, it measures your blood oxygen. ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#can-does-it-measure-blood-oxygen))
- **Does it track heart rate?** Yes, it tracks your heart rate. ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#can-does-it-track-heart-rate))
- **Does it track HRV?** Yes, it tracks your HRV. ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#can-does-it-track-hrv))
- **Does it track sleep stages?** Yes, it tracks your sleep stages. ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#can-does-it-track-sleep-stages))

## Works with

A smart ring that works with iPhone and Android.

- **Does the RENPHO LYNX Smart Ring work with Android?** Works. Yes. The LYNX works with an Android phone through the free Renpho Health app. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). Checked 2026-11-02. ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#q-android))
- **Does the RENPHO LYNX Smart Ring work with Apple Health?** Works. Yes. The Renpho Health app syncs with Apple Health. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). Checked 2026-11-02. ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#q-apple-health))
- **How does the RENPHO LYNX Smart Ring handle charging?** Works. It charges in the charging case in the box, with the included cable. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). Checked 2026-11-02.
- **Does the RENPHO LYNX Smart Ring support Companion app / settings?** Works. Yes, the LYNX ring uses Renpho Health on iOS and Android. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). Checked 2026-10-21.
- **Does the RENPHO LYNX Smart Ring work with Google Health Connect?** Works. Yes. The Renpho Health app syncs with Google Health Connect. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). Checked 2026-11-02. ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#q-health-connect))
- **Does the RENPHO LYNX Smart Ring support Health integrations?** Works. Yes, RENPHO LYNX syncs data to Apple Health and Google Health Connect. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). Checked 2026-10-21.
- **Does the RENPHO LYNX Smart Ring work with iPhone?** Works. Yes. The LYNX works with an iPhone through the free Renpho Health app. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). Checked 2026-11-02. ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#q-iphone))
- **How does the RENPHO LYNX Smart Ring handle subscription?** Works. No subscription. The Renpho Health app is free to use with the ring. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). Checked 2026-11-02.
- **How does the RENPHO LYNX Smart Ring handle water?** Works. RENPHO rates the ring 5 ATM and says it handles swimming and hiking. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). Checked 2026-11-02.

## 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. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#faq-how-much-does-the-renpho-lynx-smart-ring-cost))

### 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. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#faq-how-should-i-wear-the-renpho-lynx-smart-ring))

### Does the RENPHO LYNX Smart Ring need a subscription?

No. It works with the free Renpho Health app, with no subscription fees. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#faq-does-the-renpho-lynx-smart-ring-need-a-subscription))

### 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. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#faqs-what-does-the-renpho-lynx-smart-ring-track))

### Is the RENPHO LYNX Smart Ring waterproof?

RENPHO rates it 5 ATM and says it handles swimming and hiking. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#faqs-is-the-renpho-lynx-smart-ring-waterproof))

### 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. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#faqs-how-does-the-renpho-lynx-smart-ring-charge))

### 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. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#faqs-what-comes-in-the-renpho-lynx-smart-ring-box))

### How do I find my RENPHO LYNX ring size?

RENPHO offers a free sizing kit as an option when you order. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring). ([on the Guide](https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap#faqs-how-do-i-find-my-renpho-lynx-ring-size))

---

Source: iDevice (https://idevice.com). Every spec, rumor and grade above links to where it came from. Full Guide: https://idevice.com/smart-rings/renpho-lynx-smart-ring/roadmap. This file: https://idevice.com/guide-text/renpho-lynx-smart-ring.md.

## Questions and answers

### Using it

**Do I need a subscription?** No, there is no subscription. Source: RENPHO

**What does it cost?** It costs $179.99. That is the list price. Source: RENPHO

**Does it work with my phone?** Yes, it works with an iPhone or an Android phone. Source: RENPHO

**Does it measure blood oxygen?** Yes, it measures your blood oxygen. Source: RENPHO

**Does it track heart rate?** Yes, it tracks your heart rate. Source: RENPHO

**Does it track HRV?** Yes, it tracks your HRV. Source: RENPHO

**Does it track sleep stages?** Yes, it tracks your sleep stages. Source: RENPHO

### 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. Source: RENPHO

### Price and models

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

### In the box

**What's in the box?** RENPHO LYNX Smart Ring, Charging case, Charging cable, User manual. Source: [RENPHO](https://renpho.com/products/lynx-smart-ring)

### Works with

**Does the RENPHO LYNX Smart Ring support Health integrations?** Yes, RENPHO LYNX syncs data to Apple Health and Google Health Connect. Works Source: [RENPHO](https://renpho.com/products/lynx-smart-ring)

**Does the RENPHO LYNX Smart Ring work with iPhone?** Yes. The LYNX works with an iPhone through the free Renpho Health app. Works Source: [RENPHO](https://renpho.com/products/lynx-smart-ring)

**How does the RENPHO LYNX Smart Ring handle subscription?** No subscription. The Renpho Health app is free to use with the ring. Works Source: [RENPHO](https://renpho.com/products/lynx-smart-ring)

**How does the RENPHO LYNX Smart Ring handle water?** RENPHO rates the ring 5 ATM and says it handles swimming and hiking. Works Source: [RENPHO](https://renpho.com/products/lynx-smart-ring)