Whoop MG Review: Medical-Grade Recovery Tracking

Whoop MG (the medical-grade version of Whoop 5.0, released in 2025) is the most ambitious recovery wearable ever built for consumers. It adds FDA-cleared ECG, blood pressure estimation, and a heart health screening — features no other consumer wearable matches. It's also the only wearable on our list you can't buy on Amazon, and the $30/month subscription makes it the most expensive wearable to own over time.

This review covers what Whoop MG actually does, how its recovery scoring compares to Oura's, and whether the medical-grade features justify the cost for someone focused on longevity. Important: Whoop is not sold on Amazon, so we don't link to it as an affiliate — this is editorial coverage only.

Our verdict at a glance

Whoop MG is a remarkable piece of engineering — the first consumer wearable with medical-grade ECG and blood pressure estimation in a strap you can wear 24/7. For serious athletes who train hard and base their lives around recovery scores, it's the most data-rich wearable on the market. For most longevity-focused users, the $30/month subscription adds up to over $1,000 in three years, and Oura Ring 4 delivers similar recovery insights at roughly a quarter of the long-term cost.

Design: the strap-only philosophy

Whoop MG is a strap with no screen. There's nothing to look at on the device itself — you check the app for everything. This is intentional. Whoop's argument is that a screen turns a wearable into a notification device, and notifications fragment attention. By removing the screen, Whoop forces you to engage with the data on your phone, on your terms.

The trade-off is real. Some users love the screen-free approach and find it liberating. Others find it limiting — you can't glance at your wrist for heart rate during a workout, you can't see notifications, and you can't use the device as a watch. If you've ever worn an Apple Watch or Fitbit, the absence of a screen takes real adjustment.

The strap itself is comfortable and well-designed. The device slides into a fabric band (multiple colors and materials available, including SuperKnit, LNP, and sport fabrics) and sits on the inside of your wrist. Battery life is around 5 days, and Whoop ships with a "battery pack" that charges the device on your wrist — meaning you can charge without taking it off.

ECG and heart health screening

The headline feature of Whoop MG is the FDA-cleared ECG. You can take a 30-second ECG reading on demand, and the device will flag signs of atrial fibrillation (AFib). This is the same regulatory clearance Apple Watch has had for years, but Whoop's continuous wear means you can capture ECGs during sleep, after workouts, or whenever you feel something off.

Whoop MG also includes a "Heart Health" feature that screens for signs of underlying cardiovascular issues using a combination of ECG and heart rate variability patterns over time. This is not a diagnostic tool — it can't replace a doctor — but it's a useful screening mechanism for users with family history of heart disease or anyone who wants early warning signs.

For longevity-focused users, this is genuinely valuable. Cardiovascular disease is the #1 cause of death globally, and early detection of arrhythmias can be life-saving. No other consumer wearable does this as comprehensively as Whoop MG.

Blood pressure estimation

Whoop MG's blood pressure estimation is the feature that genuinely sets it apart. Using optical sensors and a calibration process, Whoop estimates your systolic and diastolic blood pressure throughout the day. This is not a replacement for a cuff-based monitor — it's an estimation with stated accuracy ranges — but for trend tracking, it's a meaningful new data stream.

Why does this matter for longevity? Blood pressure is one of the strongest predictors of cardiovascular disease and all-cause mortality. Tracking how it responds to sleep, stress, exercise, and diet is genuinely useful for anyone trying to optimize cardiovascular health. Before Whoop MG, the only way to get this data was intermittent cuff readings — Whoop's continuous estimation is a real step forward.

The catch: this feature requires occasional cuff-based calibration to maintain accuracy, and the estimation has a stated margin of error. Treat it as directional data, not as a clinical measurement.

Recovery score: Whoop vs Oura

Recovery scoring is the core of the Whoop experience. Each morning, the app gives you a recovery score from 0-100 based on HRV, resting heart rate, and sleep. The score is color-coded (red, yellow, green) and recommends how hard to push that day.

Compared to Oura's readiness score, Whoop's recovery score is more focused on training load. Whoop's "Strain" metric quantifies how much cardiovascular load you took on the previous day, and the recovery score tells you whether you've absorbed that load or need to back off. Oura's readiness is similar but weights sleep quality more heavily.

In our experience, both scores are useful but for slightly different purposes. Whoop is better if your primary goal is athletic training — the strain target system is excellent for periodizing workouts. Oura is better if your primary goal is general healthspan optimization — the readiness score feels more holistic.

For HRV specifically, both devices measure RMSSD during sleep. They generally agree within 2-5ms, which is well within the noise floor of consumer optical HRV sensors. Neither device is clinically accurate; both are useful for trend tracking.

Strain coaching and journal

Whoop's "Strain" metric is unique in the wearable space. Instead of steps or active minutes, Whoop quantifies cardiovascular load on a 0-21 scale. A 30-minute easy walk might be a 6; a hard hour-long run might be a 14; a marathon could be a 20+. The strain target (based on your recovery score) tells you how much strain to take on that day.

This is genuinely useful for athletes. If you've ever wondered "should I push today or take it easy?", Whoop's strain target gives you a concrete answer. It's not perfect — it's based on heart rate, which means strength training undercounts — but for cardio-focused athletes, it's a powerful coaching tool.

The Whoop Journal is also excellent. You can log behaviors (alcohol, supplements, ice baths, sauna, meditation, etc.) and Whoop will statistically analyze how each one affects your recovery over time. After a few months, you get personalized insights like "your HRV improves 4ms on days you use the sauna." This is one of the most genuinely useful features of any wearable app.

The $30/month subscription math

Here's where Whoop gets expensive. Whoop MG costs $239 upfront (or $30/month with the first month included) for the device, and the $30/month subscription is required for any functionality. There is no "free tier" — without the subscription, the device is a paperweight.

Over 3 years of ownership, the math looks like this:

• Year 1: $360 (or $239 upfront + $360 if bought outright — let's use the $30/month model)
• Year 2: $360
• Year 3: $360
• 3-year total: $1,080+

Compare to Oura Ring 4: $349 upfront + $5.99/month × 36 months = $565 total over 3 years. Whoop costs roughly twice as much over 3 years, and the gap grows the longer you own it.

Whoop's defense: the subscription includes the device, so when Whoop releases a new generation, you can upgrade for free. You're also paying for the most data-rich recovery platform on the market. Whether that's worth the premium depends on how much you value the medical-grade features and how seriously you take your training.

Whoop MG vs Oura Gen 4

How to choose between Whoop and Oura

Choose Whoop MG if:

• You're a serious athlete who bases training decisions on recovery scores.
• You want ECG and blood pressure tracking for cardiovascular health monitoring.
• You don't mind the screen-free design.
• You're comfortable with the $30/month subscription indefinitely.

Choose Oura Ring 4 if:

• You prioritize sleep tracking above all else.
• You want the most comfortable 24/7 wearable form factor.
• You prefer the lower $5.99/month subscription.
• You want to buy on Amazon (or just prefer Amazon's return policy).

The bottom line

Whoop MG is the most data-rich recovery wearable on the market, and its medical-grade ECG and blood pressure features are genuinely unmatched. For athletes who live by recovery scores and want cardiovascular health monitoring, the $30/month subscription may be worth it.

For most longevity-focused users, the math doesn't work. Oura Ring 4 delivers 80% of the recovery insights at less than half the 3-year cost, in a more comfortable form factor, with the convenience of Amazon availability. If Whoop ever drops its subscription price or adds a free tier, the calculus changes — but as of 2026, Whoop is a premium product for a premium audience.

Amazon alternatives to Whoop (with affiliate links)

Since Whoop isn't available on Amazon, here are the Amazon-available wearables we recommend as alternatives — each earns us a small commission if you buy through these links:

For more on how wearables fit into a longevity protocol, see our best longevity wearables guide, our Oura Ring 4 review, and our broader guide to lowering biological age. If you're focused on cardiovascular health specifically, see our sleep optimization guide — sleep is the single biggest lever for HRV and cardiovascular recovery.