WHOOP, Inc. (stylized as WHOOP) is an American wearable technology company headquartered in Boston, Massachusetts.[1] Its principal product is a health tracker that measures strain, recovery, and sleep.[2][3][4][5] The device is best known for its use by athletes and is often used to track overall health and detect illness.[6]
WHOOP 1.0 was released in 2015,[8] followed by versions in 2016 and 2019.[9][10] WHOOP 4.0 debuted in 2021 with improved battery technology that increased capacity.[11][12][13]
Cristiano Ronaldo, investor and global ambassador for Whoop
The device collects data on sleep, heart rate variability, resting heart rate, and respiratory rate to create a daily recovery score ranging from 0% to 100%,[14] helping users determine if their body is ready for exertion or needs rest.[15] It also provides suggested exertion goals based on recovery and sleep data.[16]
On March 29, 2023, WHOOP announced its Stress Monitor feature, tracking daily stress levels via HRV and resting heart rate, with breathwork interventions developed with Dr. Andrew Huberman.[17] In September 2023, WHOOP released “WHOOP Coach,” powered by OpenAI, offering conversational health and fitness coaching.[18]
In 2025, WHOOP shared that the FDA comments on its blood pressure feature, arguing the agency was “overstepping its authority.”[19][20][21][22][23] In May 2025, WHOOP adjusted its upgrade terms for the 5.0 and MG,[24] eventually providing complimentary upgrades[25][26] for members with 12+ months remaining[27][28] and refunds for those charged in error.[29][30][31][32]
In September 2025, WHOOP launched “Advanced Labs,” integrating clinical blood test data with wearable health metrics and expanding availability internationally.[33]
WHOOP differs from other wearables by having no screen or buttons;[34] all data is accessed through the WHOOP app on Android and iOS. It requires a monthly subscription, and without one, the device stops tracking.[35] According to Time, WHOOP collects significantly more data than competitors, with five sensors gathering 100 MB of data per user per day.[36]
History
WHOOP was founded in 2012 by Harvard student-athlete Will Ahmed, together with John Capodilupo and Aurelian Nicolae.[37][38][39] The company was incubated at the Harvard Innovation Labs.[40][41][42] The name “Whoop” originated as a motivational phrase Ahmed used before games.[37]
In August 2021, WHOOP raised $200 million from SoftBank at a valuation of $3.6 billion.[39][43] Additional investors include IVP, the NFL Players Association,[44] and athletes such as Kevin Durant,[45] Patrick Mahomes, Rory McIlroy, Eli Manning,[46] and Larry Fitzgerald.[47]
As of 2022, Ahmed serves as CEO, Nicolae is Director of Mechanical Engineering,[48] and Capodilupo served as CTO until April 2022.[49]
"Whoopgate" – 2025 Backlash
In May 2025, WHOOP faced significant public backlash[50] following the launch of its new devices, WHOOP 5.0 and WHOOP MG. The controversy centered on changes to the upgrade policy for existing subscribers, which contradicted earlier promises of free hardware upgrades as part of WHOOP's subscription model. Many users were surprised to learn they would either need to pay an upgrade fee of $49 for WHOOP 5.0—or $79 for WHOOP MG—or extend their subscriptions by an additional 12 months to obtain the new devices. Prior blog posts and FAQs had previously stated that upgrades would be free after six months of membership, sparking accusations of deceptive practices when screenshots of deleted statements began circulating online.
The backlash intensified[51] on social media, including Reddit and X, where customers described the move as "a slap in the face" and called the changes "extortion." Many also criticised the incompatibility of older accessories with the new devices, which forced additional purchases. Further amplifying frustration, some users reported defective WHOOP MG trackers that failed to power on, as well as unresponsive customer support.
In response to mounting criticism[52], WHOOP reversed course on 10 May 2025. The company updated its policy to grant free WHOOP 5.0 upgrades to members with 12 or more months remaining on their subscriptions and promised refunds for those mistakenly charged upgrade fees. WHOOP clarified that the original policy miscommunication was due to a blog post error, explaining that free upgrades were always tied to longer membership terms. Support for the previous-generation WHOOP 4.0 devices continued, though new features—like ECG and blood pressure monitoring—remained exclusive to the premium MG model.
Despite these efforts to rebuild trust, some users remained unsatisfied, highlighting unresolved issues around accessory compatibility and customer service. The 2025 incident—widely discussed online as "Whoopgate"—became a notable example of consumer influence on tech company policies in the wearables market.
In 2020, WHOOP played a key role in early COVID-19 detection. PGA Tour golfer Nick Watney noticed a respiratory rate spike on his WHOOP and tested positive for the virus despite no symptoms, prompting a PGA Tour partnership to supply WHOOP devices to players and caddies.[71][72] Another golfer, Scott Stallings, also identified early signs of infection using WHOOP.[72]
WHOOP later partnered with Central Queensland University researchers to validate its virus detection algorithm, which identified 80% of positive COVID-19 cases by day three of symptoms and 20% two days before onset.[73]
↑"WHOOP Launches Clinician-Reviewed Advanced Labs, Unlocking a Comprehensive View of Human Health". WHOOP. 2025-09-30. Retrieved 2025-10-29. WHOOP Advanced Labs is a groundbreaking new feature that combines blood testing with continuous wearable data. Members can upload past bloodwork results or schedule the company's curated Advanced Labs panel, which tests an extensive set of biomarkers.
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