TraviaTechPie Review

The Story

If you’ve already decided your next health tracker is an Oura Ring, the decision feels like it should be simple. Pick one of three models, hit buy, done. But Oura’s lineup in 2026 is genuinely weird, and that weirdness is what makes most of the “Ring 4 vs Gen 3” comparisons on the internet wrong for new buyers.

Here’s the thesis up front: for a new buyer in 2026, there is no meaningful “Gen 3 vs Ring 4” decision at MSRP. They cost the same. The Ring 4 is newer, lighter, all-titanium, has a wider size range, and packs the new sensor array. The only real fork in the road is whether to chase a deeply discounted Gen 3 Horizon on Amazon, and even that fork is narrower than the rest of the internet tells you.

All prices shown are manufacturer list prices (MSRP); current pricing on Amazon or Coupang may vary.

Let me lay out the three rings first, then explain why the choice collapses.

The Oura Ring 4 launched October 15, 2024 at $349. It’s an all-titanium body — no epoxy interior, no protruding sensor bumps on the underside. The “Smart Sensing” platform inside uses 18 signal pathways across 10 LEDs, dynamically switching them on and off to balance battery and signal quality. Oura claims 8 days of battery (vs 7 on Gen 3), 30% better overnight SpO2 accuracy, 31% fewer nighttime heart-rate gaps, and a 15% better breathing disturbance index. Sizes run 4 through 15 — the widest range on any smart ring sold today. Six finishes: Black, Silver, Brushed Silver, Stealth, Gold, Rose Gold, with Gold and Stealth pushing the price to $499.

The Oura Ring Gen 3 Heritage is the flat-top, faceted design Oura launched in late 2021 at $299. In 2026, it’s gone — pulled from the Oura store, available only through third-party retailers like Amazon while remaining stock sells through. Prices on those leftover stock channels have been drifting around $209 to $249.

The Oura Ring Gen 3 Horizon is the fully round version of the Gen 3, originally $349. Same internals as the Heritage (eight signal pathways, 5–7 day battery, sizes 6–13), but with the smooth uninterrupted band that became the design template for the Ring 4. It’s also been removed from Oura’s direct shop in favor of the Ring 4, but it’s still widely available on Amazon and has shown up at meaningful discounts.

Specs

Three things stand out before we even get to the writing.

One: the Gen 3 is the same price as the Ring 4 at MSRP, with worse sensors. This is the part most “should you upgrade?” articles bury. They’re aimed at existing Gen 3 owners, where the question is “is it worth $349 again?” For a new buyer, the question is different: “between two rings at $349, which one?” That question only has one answer.

Two: the subscription is identical. Whichever ring you pick, you’re paying $5.99/month or $69.99/year to actually see your data beyond a six-month grace window. The hardware decision doesn’t change the recurring bill. This matters because the real cost of an Oura Ring isn’t $349 — it’s $349 plus $70/year forever. Over three years that’s $559. Over five, $699. Frame the ring purchase around that, not the sticker.

Three: the Heritage design is genuinely dead. The Ring 4 only comes in the Horizon shape. If you specifically loved the flat-top look — some people did, it sat flatter against rings worn on adjacent fingers — your options are leftover Gen 3 Heritage stock, and that’s it. Oura is unlikely to revive it.

Now the sensor difference. Oura’s Smart Sensing pitch is that the Ring 4’s 18 pathways aren’t all firing at once — the ring chooses which combination of green, red, and infrared LEDs to use based on what it’s measuring and how good the signal is. The practical payoff is the gap-filling: fewer holes in your overnight heart-rate and SpO2 graphs, which means the algorithms have more raw data to feed sleep staging and breathing disturbance scores. For everyday metrics like daily readiness or step counts, both rings land in a similar place. For sleep apnea screening and overnight oxygen trends — the stuff Oura is leaning into in 2026 — Ring 4 is meaningfully ahead.

The size range is the under-discussed killer feature. Gen 3 stopped at size 13. Anyone with larger fingers — and a lot of US men do — was simply locked out of Oura. Ring 4 going to size 15 isn’t a marketing footnote, it’s a market expansion. If you’re at size 4, 5, 14, or 15, Ring 4 is the only Oura that fits you. Decision made.

For everyone in the 6–13 band, the question becomes: is the all-titanium build and slightly thicker but more comfortable (no underside bumps) Ring 4 worth choosing over a fully-round Gen 3 Horizon at the same price? It is. The Heritage discount is the only place a real argument lives.

So where does the Heritage discount actually beat the Ring 4? Narrow conditions. If you can find a Gen 3 Heritage in your size, in a finish you like, at $200 or less, and you’re a casual user who mostly cares about daily readiness and sleep score — go for it. You’re saving $150 and getting 90% of the experience. But the moment the price creeps past $250, the math flips. A $250 Gen 3 is a $99 saving on the ring and a worse five-year cost when you factor in older sensors and a battery that’s already been sitting on a shelf for 18+ months.

Verdict

The honest take: in 2026, the Oura Ring 4 in Silver at $349 is the default answer for anyone newly entering the Oura ecosystem. Same price as the Gen 3 was, newer sensors, wider sizes, longer battery, all-titanium. There’s no scenario where a new buyer pays MSRP for a Gen 3 over a Ring 4.

The Gen 3 Horizon at MSRP is a non-option — same price as Ring 4 with worse hardware. Skip it.

The Gen 3 Heritage is interesting only as a discounted closeout. Sub-$220 with your size in stock and a finish you actually like, it’s a legitimately good entry point into Oura for someone who wants the cheapest reasonable way in. Above $250, it’s a trap — you’re paying nearly Ring 4 money for last-generation sensors.

And the premium finishes? Mostly not worth it. The Ring 4 in Gold or Stealth at $499 is paying $150 for color. Unless you wear jewelry that genuinely demands matching, get the Silver and put the $150 toward two and a half years of the subscription you’re already locked into.

One last reframe before you buy. The ring isn’t the purchase — the subscription is. If you’re not sure you’ll keep paying $70/year for the next three or four years, none of this matters. Buy nothing. The Oura experience without the membership is a glorified step counter. Once you’re sure you’ll pay, the hardware question is the easy part, and the easy part has one answer.

🛒 Buy on Amazon

• Oura Ring 4 — Check current price on Amazon
• Oura Ring Gen 3 Heritage — Check current price on Amazon
• Oura Ring Gen 3 Horizon — Check current price on Amazon

As an Amazon Associate I earn from qualifying purchases.

Photo: Shane / Unsplash