Same heart. Second subscription.

What Whoop genuinely does better

Let's do this part first, because a comparison page that claims the competitor has no strengths isn't worth reading.

Whoop sells you the sensor. That is not a small thing. If you own no wearable at all, the annual fee is buying hardware, not just software — and Metrya has nothing to read without a device feeding Apple Health. Comparing $12.99 to $199 is only fair if there's already something on your wrist.

The band is built for continuous wear. It runs for days on a charge, survives showers and swimming, and is designed to stay on while you sleep. An Apple Watch generally needs to come off to charge, and the night you forget to put it back on is a night of missing sleep data. Whoop's continuity is real.

Whoop's recovery model is mature and well-validated. Years of iteration and a large user base behind it, plus features like Whoop Age and Strain Coach that are genuinely well-designed.

If continuous 24/7 hardware tracking is the thing you care most about and you don't already own a wearable, buy the Whoop. This page won't try to talk you out of it.

Where Metrya wins

1. You stop renting your own physiology

Metrya Pro is a single $12.99 in-app purchase. There is no renewal, no tier upgrade, and every future Pro feature is included. Cancel nothing, because there's nothing to cancel. Over five years that's the difference between $12.99 and roughly $1,000 to $1,800.

2. Your health data has nowhere to leak

Whoop requires an account, and your physiological history lives in Whoop's cloud. That's the standard model, and it's what makes their app work across devices — but it also means a company holds a continuous, years-long record of your heart, sleep and stress.

Metrya has no health backend at all. No account, no login, no sync. Recovery, Reserve, biological age and Longevity Signals are computed on your iPhone from Apple Health. There is no server that could be breached, sold in an acquisition, or handed over on request — because there is no server.

3. Real conversation, on the model you choose

Whoop Coach is a chat interface running on Whoop's chosen model, bundled into your membership. Metrya's AI Advisor runs on your API key — Anthropic Claude, OpenAI or Google Gemini, switchable whenever you like. You're billed by the provider at their published rate with zero markup from us, and you can ask anything: why last night was bad, whether to train today, what changed since March.

• Pick the model — and upgrade the day a better one ships, without waiting for an app update
• Pay AI costs at provider rates — typically under $2/month for daily use
• Set your own spending cap in the provider's dashboard
• Everything non-AI works with no key at all

4. Things Whoop doesn't do

Body Vision reads a goal photo and a current photo against your scale, sleep and training data, then produces a body-composition baseline, a realistic timeline and a plan — with weekly check-in photos tracking progress. Reserve is a free 0–100 energy battery that drains and recharges hour by hour, with every point movement labelled by its actual cause. Heads Up Today folds local weather and air quality into the advice, because 32°C and an AQI of 140 genuinely change what a sensible training day looks like.

The short version

Buy Whoop if you have no wearable and want best-in-class continuous hardware tracking, and the annual fee reads as reasonable for a device plus a service.

Try Metrya if you already own an Apple Watch, Oura, Garmin or Withings device and would rather pay $12.99 once than $199 a year to interpret data your own hardware is already collecting — and if you'd prefer that data never leave your phone.

The free tier costs nothing and needs no key, so you can run Metrya alongside your Whoop membership for a month and let the two disagree. That's a more useful test than any comparison table.