An independent developer has released an open-source application called Noop for Whoop bands, allowing users to access their Whoop data without a subscription fee. The app is available for free on Android and macOS and is compatible with Whoop 4.0, 5.0, and MG bands. Users need to sideload the app on Android devices, with installation instructions provided on GitHub. The app offers a cloud-free experience, appealing to those looking to avoid ongoing costs associated with Whoop subscriptions. Feedback on Reddit has been positive, although some users have requested help with installation. The developer has created algorithms to interpret raw data from Whoop devices, but it is uncertain how Whoop will respond to this app. Noop is part of a trend of alternative fitness applications, including Goose and Whoof.