WHOOP · Updated June 2026
WHOOP 4.0: specs & release date
WHOOP 4.0, released 2021-10. Every price and spec below is linked to its source and dated — no guesses.
Source: dcrainmaker.com verified ✓ corroborated verify in ledger
The WHOOP 4.0 has no published US price yet. It earns a Bronze Deskmark — 8/100 pay-blind standing, #20 of 24 in class.
Verified Jun 15, 2026 · figures linked to their source in the table below
Is the WHOOP 4.0 a good buy?
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.
Specifications
| 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. |
|---|---|
| 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 |
Source: dcrainmaker.com (verified 2026-06-15) · corroborated by en.wikipedia.org. Battery 5 days confirmed via search results (WHOOP 4.0 vs 5.0 comparison). No display (screenless band). SpO2 yes, ECG no (ECG is WHOOP MG/Life-tier only per Wikipedia and WHOOP site). Water resistance IP68 / 10m confirmed via search results (thewearify.com, techloved.com). Subscription required — device non-functional without membership. Release Oct 2021 from DC Rainmaker review URL and Wikipedia. No GPS confirmed; no built-in GPS chip.
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.
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