MyFitnessPal Tracked Website Users Without Consent, Suit Says

MyFitnessPal—a weight loss and fitness app—allowed third-party trackers to get website user data, even when consumers opted out through its purported cookie banner, a federal lawsuit alleges.

The cookie banner which opens when someone visits www.myfitnesspal.com reportedly offers consumers a choice to browse without being tracked, but two plaintiffs told the US District Court for the Northern District of California that the deal is a mirage.

Meta Platforms, Google, Bytedance, and Amazon, among other non-parties to their complaint will track users even if they decline all optional cookies, the California residents said.

There’s a set of “required” cookies that MyFitnessPal ...