Measure what matters. No subscription.
ssparra offers a tracking tool for boxers, fighters and demanding athletes. Our idea: give you useful data to decide "Today, do I train or recover?", without paying every month to access it.
- One-time payment. No subscription, no hidden fees.
- Free delivery. No minimum order.
- 100% French after-sales service.
- No distraction. The S1 has no screen and no notifications.
- Transparency. We say what the S1 measures and its limits, see Accuracy and methodology.