First-generation product — no historical cycle data to predict a successor
Full details →| WHOOP 5.0 | Fitbit Air | |
|---|---|---|
| Pricing | ||
| Starting price | Free (hw) | $99 |
| Subscription | ⚠️ Required — $199/yr | ℹ️ Optional — $99/yr |
| Year 1 total cost | $199 | $198★ |
| Year 3 total cost | $597 | $396★ |
| Hardware | ||
| Weight | 27g | 12g★ |
| Water resistance | 10ATM★ | 50m |
| Battery | 14 days★ | 7 days |
| Always-on display | ❌ | ❌ |
| GPS | ❌ | ❌ |
| Cellular | ❌ | ❌ |
| Platform | iOS & Android | iOS & Android |
| Tier | Fitness Tracker | Fitness Tracker |
| Buy timing | ||
| Released | May 8, 2025 | May 7, 2026 |
| Cycle advice | good | good |
| Deals advice | neutral | good★ |
| Next model | — | — |
WHOOP 5.0 gives you a biological age score derived from your sleep, recovery, and training habits — showing whether your lifestyle is ageing you faster or slower than your years. Updated daily, it makes long-term health trends visible at a glance.
WHOOP's AI Coach learns your body's patterns and delivers personalised daily recommendations in plain language — not just what happened, but why, and what to do next. It adapts to your training load, sleep debt, and recovery trends.
WHOOP 5.0 added a dedicated strength trainer that auto-detects sets, measures neuromuscular load alongside cardiovascular strain, and shows recovery demand from resistance training — a gap every previous WHOOP version had.
Unlike WHOOP, there is no mandatory membership — pay $99 once and use Fitbit Air with the free Google Health app. Google Health Premium ($9.99/month) is optional.
Continuous heart rate, SpO2, HRV, and skin temperature tracking plus background FDA-certified AFib detection, in a 12g pebble designed to be worn and forgotten.
A week between charges, with a 5-minute top-up delivering a full day of use — significantly less downtime than WHOOP's slide-on charging system.
The right pick depends on what you optimize for.
$396 vs $597 over 3 years · no required subscription.
14 days vs 7 days battery.
9 sensors · 26 Hz HR sampling.
12g · no required subscription.
Athletes, coaches, and fitness-obsessed users who want deep recovery and sleep data without screen distractions. WHOOP suits those who train hard and want to understand whether their body is ready to push. Not for casual users or those who want smartwatch features like notifications or GPS.
Full details →Health-focused users who want passive, 24/7 biometric tracking without a screen on their wrist. Particularly strong for those drawn to WHOOP but put off by the subscription model — the Fitbit Air delivers comparable core health data for $99 outright. Works with both iOS and Android.
Full details →