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The Oura Ring 3 is up to $100 off. Here's how it compares to the Oura Ring 4

Mar, 18, 2025 Hi-network.com
Oura Ring on hand against skyline
Nina Raemont/
Horizon Oura Ring for$249 (save up to$100 off)
ZD recommends
3/5 Editor's deal rating
$249 at Amazon

The  Oura Ring Gen 3 remains one of our favorite smart rings on the market and our pick for one of the best smart rings you can buy. While this space got more attention when the new Samsung Galaxy Ring launched last year, Oura has plugged away at the smart ring space, and the brand released a new generation smart ring, the Oura Ring 4, last fall. You know what that means: its third-generation smart ring is finally on sale at Amazon, even ahead of the retailer's Big Spring Sale.

Also: The best Amazon Spring Sale deals live now 

With this sale, you can save anywhere from$50 to$100, depending on your choice of style and finish. For example, thegold Horizon ring is selling for 22% off. 

A hand is holding a silver Oura Ring
ZD recommends
Horizon Oura Ring for$249 (save up to$100 off)
$249 at Amazon

If you're deciding between buying the newer Oura Ring 4 or getting the discounted Oura Ring 3, there are a few factors to consider before making a purchase. The Oura Ring 4 upgraded its battery life one more day, so you'd get an eight-day battery life in the fourth-generation ring, compared to a seven-day battery life in the third. The Oura Ring 4 has receded sensors that don't protrude around your finger, unlike the Ring 3's sensors that does. But in both smart rings you're getting the same software that will tell you information about your sleep, activity, recovery, and stress. The Ring 4 might record more accurate or continuous data than the Ring 3, but only by a margin. If that doesn't matter to you, I'd buy the Ring 3 over the Ring 4. 

As someone who has tested both, I like that the Ring 4 has sensors that don't irritate my finger after prolonged wear, but I like the Ring 3's affordability. 

Also: I've tested dozens of smartwatches, but the Oura Ring 4 was first to show me I'm sick

Both the circular Horizon and flat-topped Heritage styles are on sale, but note some colorways may not be available in all sizes. This is one tech product that rarely goes on sale. Since the Ring Gen 3 is now an older model, it's a great time to swipe up savings on a solid wearable. 

I own the Horizon Oura Ring, and I can't recommend it enough for sleep, activity, and holistic wellness tracking. It offers around five days of battery life, is compatible with both iOS and Android devices (unlike the new Galaxy Ring), and is made with a titanium lightweight build. I can see my stress levels throughout the day, understand why my sleep was good or bad, and motivate myself to exercise thanks to the data the smart ring presents. 

Every morning I get a readiness score and a sleep score based on yesterday's sleep, stress, activity, and more. It monitors my heart rate, heart rate variability, blood oxygen, and body temperature -- and takes all that data to offer actionable insights into my daily health regimen, such as when to take breaks during the day, stretch my legs, or wind down at night. 

Also: I tested this new smart ring with no subscription, and it could replace my Oura

There are many competitive features included in the Oura Ring, such as how many apps you can sync Oura with, including Strava, Natural Cycles, and more. The company has also unveiled, within the past few months, several new features that give you more insights into your overall health. There's a new heart health feature where you can learn your cardiovascular age, a new feature for menstrual cycle and pregnancy insights, and a new AI health advisor feature, where you can get fitness and wellness advice from an AI coach. 

Also: The best smart rings of 2025: Expert tested and reviewed

Some of my colleagues also love and use the Oura Ring. 's Allison Murray complimented Oura's customer service after her ring's battery kept faltering. Oura sent her a brand new smart ring, no questions asked. 

Oura is trying to clear out itsOura Ring 3 inventory, so this product won't be around forever -- and neither will its substantial discount. 

Looking for the next best product? Get expert reviews and editor favorites with Recommends.

How I rated this deal 

The Oura Ring 3 deal is a deal I rated a 3/5 Editor's deal rating, since some finishes and sizes are discounted by up to 22%. Oura is a notable and reliable brand with a track record of delivering insightful health data to its users. 

Plus, the ring is up to$100 off on Amazon right now, ahead of Amazon's Big Spring Sale that takes place Tuesday, March 25 through Monday, March 31. Certain ring finishes and sizes will have greater discounts than others, but you can expect to get at least$50 and at most$100 off the third-generation smart ring, and we may even see larger discounts next week. 

When will this deal expire?

While many sales events feature deals for a specific length of time, deals are on a limited-time basis, making them subject to expire anytime. remains committed to finding, sharing, and updating the best offers to help you maximize your savings so you can feel as confident in your purchases as we feel in our recommendations. Our team of experts constantly monitors the deals we feature to keep our stories up-to-date. If you missed out on this deal, don't worry -- we're always sourcing new savings opportunities at .com.

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How do we rate deals at ?

We aim to deliver the most accurate advice to help you shop smarter. offers 33 years of experience, 30 hands-on product reviewers, and 10,000 square feet of lab space to ensure we bring you the best of tech. 

In 2025, we refined our approach to deals, developing a measurable system for sharing savings with readers like you. Our editor's deal rating badges are affixed to most of our deal content, making it easy to interpret our expertise to help you make the best purchase decision.

At the core of this approach is a percentage-off-based system to classify savings offered on top-tech products, combined with a sliding-scale system based on our team members' expertise and several factors like frequency, brand or product recognition, and more. The result? Hand-crafted deals chosen specifically for readers like you, fully backed by our experts. 

Here's some insight into how we rate deals. 

  • 1-9% off: 1 / 5 Editor's deal rating
  • 10-19% off: 2 / 5 Editor's deal rating 
  • 20-29% off: 3 / 5 Editor's deal rating 
  • 30-39% off: 4 / 5 Editor's deal rating 
  • 40-50% (or more) off: 5 / 5 Editor's deal rating 

We factor the numerical deal percentage with other important context, like the brand of the product. For rare brand deals, like a discount on a fan favorite Apple product, we might add a point on a 20% discount, taking the rating from a 3/5 to a 4/5 if it's a product that never goes on sale. 

Also: How we rate deals at in 2025

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