Ultrahuman’s Ring Pro emerges as a formidable rival to the Oura Ring 5, boasting up to 15 days of battery life and extensive health data, though with some limitations in fitness tracking and design size.
Ultrahuman’s Ring Pro is being positioned as a direct rival to the Oura Ring 5, and the early reviews suggest it has a clear case to make on battery life and raw data breadth. According to T3, the smart ring delivers a very large set of health metrics, from sleep and recovery tracking to more unusual measures such as Ultra Age, Pulse Age and Brain Waste Clearance. The same review also echoes Ultrahuman’s pitch that the device is built around long endurance and an increasingly software-led health experience.
Battery life appears to be the device’s most convincing advantage. T3 said the ring still had 53 per cent charge left after almost nine days in a low-power mode, and that a more demanding mode still pointed to more than twelve days of use. That lines up with Ultrahuman’s own claim of up to 15 days, while Tech Advisor and iDevice both reported similarly strong figures and noted that the bundled charging case extends time away from a wall socket. By contrast, Wareable’s testing of the Oura Ring 5 put that device at roughly six days with SpO₂ tracking enabled, underlining the gap in endurance.
The Ring Pro’s appeal is also shaped by its software model. Ultrahuman says the ring does not require a mandatory subscription for core functions such as sleep analysis, recovery insights and basic health data. However, as T3 pointed out, some add-ons still sit behind paid tiers, including the Jade Pro AI assistant and certain PowerPlugs. In practice, that means the no-subscription headline is real, but the total cost can rise if users want the fuller feature set.
Where the ring appears less mature is fitness tracking. T3 reported that some walks were missed altogether or logged unreliably, while other activities seemed to be rounded into five-minute blocks. The review also said the design is comparatively bulky: the titanium body is solidly made, but at 2.65mm thick and 3.3g to 4.8g in weight, it looks and feels larger than some rivals. The broader picture is therefore mixed. Ultrahuman has produced a strong sleep and recovery tracker with impressive stamina, but the Ring Pro does not yet seem to match the Oura Ring 5 for automatic activity recognition or overall polish.
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