NOWATCH vs Oura Ring 5

NOWATCH is a screenless health watch built around your body's stress response. It samples your vitals every second (1 Hz), 24/7, while the Oura Ring 5 samples data at intervals depending on context. This continuous picture of your health is delivered through the Reactivity Monitor™ — a minute-by-minute view of how your body responds to daily demands, including precise stress duration, frequency, and average recovery time after each stressor. Unlike Oura, NOWATCH doesn't reduce your health to a daily score — no readiness number that risks dictating how you feel before you've had a chance to check in yourself. Before seeing your data, NOWATCH always asks how you feel first. And the NOWATCH app is free, where the Oura app requires a subscription.

No. The NOWATCH app is free, with no subscription needed. The Oura app costs $5.99 per month or $69.99 per year on top of the ring itself.

NOWATCH captures heart rate and movement signals every second and our proprietary Reactivity Monitor™ processes them into a minute-by-minute timeline of how your body responds to daily demands. Based on your personally calibrated baseline (called homeostasis), it detects stress responses and tracks duration, recovery time, and frequency. Physical activity is automatically flagged, and a feelings Check-in lets you add context the sensors alone can't capture. NOWATCH also tracks Cumulative Stress trends — showing you when load is building over time. Oura tracks Cumulative Stress too, but uses a different calculation and reduces it to intensity levels, losing the nuance of your body's day-to-day fluctuations.

NOWATCH uses high data density by default: capturing raw signals every second, sampling every 10 seconds, 24/7 — so short-lived stress responses aren't averaged away. The Oura Ring 5 samples data at intervals, depending on context, rather than continuously.

They're close: NOWATCH runs up to 8 days depending on model and use, and the Oura Ring 5 runs up to 9 days. Both are water-resistant enough for swimming and showers.

With NOWATCH you can download and export your raw data anytime. All user data is stored on EU-based AWS servers in Frankfurt with advanced encryption, with GDPR-level privacy wherever you live. Oura offers data export but not as granular as NOWATCH, and stores US user data on US-based servers.

Yes. NOWATCH tracks sleep stages and duration, awakenings, sleep latency, restoration, and regularity, plus menstrual cycle tracking and night-time skin temperature deviations — the same ground Oura covers. NOWATCH adds a vibration alarm to wake you silently, which the Oura Ring 5 lacks.

No. NOWATCH doesn't reduce your health to a single daily number. Instead it asks how you feel about your sleep or your day first, so you can reflect on it before being influenced by data. Also, it shows Health States — like Resilient, High Load, or Delayed Recovery — along with the minute-by-minute data behind them, so you can see what's actually driving how you feel.