Whoop band can be made to work without a subscription. Enthusiasts disassembled it and wrote their own application

Whoop is among the companies that have taken subscriptions to the extreme: without an active membership, the band becomes a piece of plastic on your wrist. Anyone who didn’t want to continue paying over 200 dollars annually after their contract expired was essentially out of luck. This is precisely the situation that the Noop project addresses – an open-source application that revives the band even without a company account.

Data stays on the phone, not on a foreign server

The principle is simple. The application connects with the band via Bluetooth, retrieves raw data from the sensors, and sends absolutely nothing to Whoop’s servers. It calculates recovery score, heart rate variability, daily strain, and sleep metrics directly on the phone and stores the entire history in a local SQLite database. For anyone who values privacy with biometric data, this is a quite significant difference – health data remains where it originated.

Freedom comes at the cost of accuracy

However, enthusiasm should be tempered. Noop calculates recovery and strain using community approximations, meaning estimates derived by enthusiasts, not the manufacturer’s official algorithms. Corporate cloud analytics, coaching features, and customer support are gone. Furthermore, hardware support is limited to Whoop 4.0 and 5.0 models; older generations are out of luck. And because the application has not passed through the official Google Play or App Store, you have to install it indirectly.

You won’t get out of it completely

The biggest trap, however, is financial, and Noop won’t solve it. Whoop does not sell hardware separately at all – the band is part of a mandatory twelve-month membership, which costs over 200 dollars paid upfront. So, unless you get a second-hand band, you cannot avoid the initial investment. Noop is an escape route from endless subscription renewals, not a way to get into the ecosystem for free. Even so, it’s a good example that closed systems have their weaknesses.

Would you buy a device that stops working without a fee?

Source: Notebookcheck, NOOP on GitHub