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Comparison · 2 picks
Noise Luna Ring vs RingConn Gen 2 (UK 2026)
The Noise Luna Ring and the RingConn Gen 2 are two of the cheapest subscription-free smart rings (finger-worn health-sensor wearables) you can buy in the UK, both sitting around £220 to £240. They take the same no-monthly-fee stance against the Oura Ring, but they make very different trade-offs once you look past the price.
At a glance
All 2 options side by side.
 RingConn Gen 2 |  Noise Luna Ring | |
|---|---|---|
| Price | £239 | £219 |
| Best for | battery and the charging case make it the easier ring to live with. | Best if sleep insight is your priority and you do not mind charging twice a week. |
| Check price | Check price |
The picks in detail
RingConn RingConn Gen 2
Bottom line. The better all-rounder: battery and the charging case make it the easier ring to live with.
Pros
- 10-12 day battery, double the category
- Portable charging case in the box
- Sleep apnoea monitoring included
Cons
- Sleep and HRV algorithms less refined than rivals
- App is functional rather than polished
Noise Noise Luna Ring
Bottom line. Best if sleep insight is your priority and you do not mind charging twice a week.
Pros
- Strong sleep-stage and heart-rate accuracy
- Helpful contextual AI insights
- Light 3.5 g titanium build
Cons
- Only ~4-day real-world battery
- Unreliable activity and workout tracking
- Finicky magnetic charger
Which is better value?
They are close on price: the Noise Luna Ring is around £219 and the RingConn Gen 2 around £239, both far below the Oura Ring 4. Neither charges a subscription, so the headline cost is the real cost. On pure hardware value the RingConn edges it, because the box includes a portable charging case that the Luna does not, and its battery means you buy far fewer charging sessions over the ring's life.
How do battery and charging compare?
This is the decisive gap. The RingConn Gen 2 runs 10 to 12 days per charge and ships with a pocketable case that holds extra top-ups. The Noise Luna Ring manages closer to four days in real use and charges on a flat magnetic dock that needs careful alignment. If you value forgetting about charging, the RingConn wins comfortably.
Which tracks sleep and recovery more accurately?
Here the Noise Luna Ring pulls ahead. Its sleep-stage and heart-rate data track established rings closely in independent testing, and its app adds genuinely useful contextual insights. The RingConn Gen 2's tracking is solid but its algorithms are visibly less refined, and its app is more of a raw-number dashboard. If your main goal is understanding your sleep, the Luna is the stronger tool.
What about water resistance and durability?
Both carry a 5 ATM / 50 m rating, which covers showering and shallow swimming but not serious water sports. Build quality is comparable: both use a titanium-family shell. One caveat sits over the Luna: following the Oura patent dispute with its parent company, it was withdrawn from US sale, though it remains available in the UK. The RingConn carries the usual smaller-brand longevity question instead.
Which should you buy?
For most people, buy the RingConn Gen 2. The battery and charging case make it the ring you actually keep wearing, and its tracking is good enough for everyday use. Choose the Noise Luna Ring only if sleep accuracy and AI-led insights are your priority and a four-day battery does not bother you. If you want the lightest RingConn instead, our Gen 2 Air review covers the budget alternative, and the best smart rings guide has the full field.