Whoop 4.0
Whoop
★4.5

Whoop 4.0

$30/month (includes hardware)

24/7 strain, recovery, and sleep tracking wearable

Why We Recommend It

99.7% accurate HR, no removal needed, comprehensive data

Reddit Says

Top tier for serious biohackers

What People Say

99.7% accurate HR, 99% accurate HRV, heat/water-resistant, no removal needed for sauna

Where to Buy

Amazon

More from Tracking & Wearables

Oura Ring 4
$350 + $6/month subscription
★4.5
Oura

Oura Ring 4

Sleep and recovery ring, sauna-safe to 125F

Why: 99.3% accurate HR, excellent sleep tracking, discreet

View details
Sauna Tracker App
Free-$10/mo
★4
Apple Watch

Sauna Tracker App

Apple Watch app tracking HR, calories, and sauna zones

Why: #1 rated sauna app, real-time monitoring

View details
Athlytic App
$10/month or $60/year
★4.5
Apple Watch

Athlytic App

Turns Apple Watch into Whoop-like tracker with sauna tags

Why: HRV tracking, recovery scores, sauna journaling

View details

Weekly Sauna Protocols

Every Thursday: why heat heals, where to find it, and five minutes of stillness.

Step Inside