# WHOOP 4.0: specs and price

**Price (US):** Not published (No up-front hardware cost. Requires active WHOOP membership: previously $30/month (monthly) or ~$199/year (One tier annual). WHOOP 4.0 hardware bundled with membership; exact current MSRP not applicable as device is sold only with subscription. priceUsd set null — subscription-only model.), as of 2026-06-15.
**Brand:** WHOOP
**Released:** 2021-10
**Deskmark:** Bronze Deskmark — pay-blind category standing 8/100, #20 of 24 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | Not published |
| Brand | WHOOP |
| Released | 2021-10 |
| Form factor | band |
| Display | — |
| Battery days | 5 |
| Gps | No |
| Spo2 | Yes |
| Ecg | No |
| Subscription required | Yes |
| Water resistance (m) | 10 |

## Where it stands

On the spec sheet, its water resistance of 10 m is the lowest of the 24, its release of 2021 is the lowest of the 17, and its battery days of 5 is below the median of the 24. By release date, it is the oldest of the 17 we date.

## Frequently asked questions

**How much does the WHOOP 4.0 cost?**

The WHOOP 4.0 has no published US price as of 2026-06-15.

**When was the WHOOP 4.0 released?**

The WHOOP 4.0 was released 2021-10.

**What are the WHOOP 4.0's key specs?**

WHOOP 4.0 (WHOOP): form factor band, battery days 5, gps No, spo2 Yes, ecg No. Full sourced spec sheet verified 2026-06-15.

Source: https://www.dcrainmaker.com/2021/11/whoop-platform-review.html (dcrainmaker.com, accessed 2026-06-15)
Corroboration: https://en.wikipedia.org/wiki/WHOOP_(company) (accessed 2026-06-15)
Canonical: https://frontdeskreview.com/product/fitness-trackers/whoop-4-0/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl