Smart Rings

Smart Ring Showdown 2025: Oura Ring 4 vs Samsung Galaxy Ring vs Amazfit Helio – Which Wins?

Oura Ring 4, announced in October 2024, features a fully titanium design with recessed sensors, six finishes (Silver and Black at $349; Gold or Rose Gold at $499), US sizes 4–15, and a weight of about 4–6 grams, requiring a $5.99/month membership to unlock full features. Samsung Galaxy Ring was unveiled at Galaxy Unpacked on July 10, 2024, began shipping July 24, 2024, costs $399.99 upfront, uses a titanium outer casing in Titanium Black, Gold, or Silver, initially offered in US sizes 5–13 (later 14–15), and weighs about 2.3–3.0 grams with IP68/10 ATM water resistance. Amazfit Helio Ring debuted in

4 August 2025

Rings of the Future: Top Smart Rings of 2025 (and What’s Coming in 2026)

Oura Ring 4 (2023) costs $349 plus $5.99/mo, offers about 6–8 days of battery life, and includes PPG heart rate, SpO2, and skin temperature sensors with best-in-class sleep and recovery tracking. Samsung Galaxy Ring (2024) is priced at $399 with no subscription, lasts ~5–7 days per charge, includes PPG heart rate, skin temperature, and accelerometer, and provides AI-powered Energy Score and sleep coaching while lacking ECG, blood pressure, or body composition sensors and is Android-only. Ultrahuman Ring Air (2023) costs $349 with no subscription, offers ~4–6 days of battery, tracks heart rate, HRV, sleep, activity, skin temperature, SpO2, and has

29 July 2025

2025 Innovations · Future Tech · Gadgets · Smart Rings · Wearables