Best Fitness Trackers · WHOOP · Updated June 2026
WHOOP 4.0: specs and price (2026)
WHOOP 4.0 is not sold at a published US price. Below is its full, sourced spec sheet — every value links to the source and the date we captured it.
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 |
| release | 2021 |
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.