Zenith is a powerful, 24/7 fitness & recovery tracker that delivers deep health insights without monthly fees. One device. One payment. Yours forever.
From $149.99
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Trusted by people who take their health seriously
Zenith Bionic Band measures the metrics that matter for peak performance and long-term wellness.
Continuous Heart Rate Monitoring
Sleep Quality Tracking
Activity & Fitness Tracking
Step Count & Daily Movement
Blood Oxygen (SpO₂) Trends
Women’s Cycle Tracking
Other brands require a monthly subscription for advanced analytics. Zenith gives you full access—from readiness scores to sleep breakdowns—without ever asking for an upgrade.
| Feature | Zenith | Whoop | Oura |
|---|---|---|---|
| One-time purchase | ✔ | ✕ | ✔ |
| No subscription | ✔ | ✕ | ✕ |
| HR + Sleep + Activity | ✔ | ✔ | ✔ |
| Blood Oxygen Trends | ✔ | ✔ | ✔ |
| Cycle Tracking | ✔ | Limited | ✔ |
| Battery life | 15-20 days | 10-14 days | ~ 7 days |
Real insights, clear visuals, no clutter. Zenith's app turns data into action—whether you're improving sleep, optimizing training, or monitoring recovery.
Yes, our Smart Health Trackers are all safe to wear while showering, swimming and washing your hands.
The Zenith’s battery lasts 15–20 days on a single charge and fast-charges to 100% in just 2 hours.
We ship worldwide within 5 business days of the purchase date. All of our shipments are fully insured, trackable and traceable. Orders normally arrive within 5-15 days from the date of shipment depending on location.
During the first 30 days if you are unsatisfied we offer a no questions asked FREE return. If you want to return your Zenith during this time please contact support@airguard.ai and they will arrange for the band to be returned to us at no cost to you.
Three years world-wide warranty, including parts and labor. Please see Warranty page for more details.
We offer beautiful, unique, and functional health trackers that fit on a finger. We allow you to purchase risk free and offer the longest warranties and most flexible return policies in the business.
Our close relationships with designers and component makers allow us to provide you highest possible value for money because in product testing our devices compare favorably to Oura Ring and Whoop at a fraction of the cost.