Many users report difficulties with subscription management, including unexpected charges and challenges in canceling subscriptions. Approximately 15% of users seem to be affected by these issues, leading to frustration and dissatisfaction with the app's billing practices.

I was charged for a subscription I didn't want, and canceling it has been a nightmare.

A significant number of users express dissatisfaction with the limited access to features without a premium subscription. Around 20% of users feel that essential information and features are locked behind a paywall, which diminishes the app's value for those not willing to pay.

The app is mostly useless without paying for premium features, which is frustrating.

There are concerns about data privacy, with users mentioning past incidents of data sharing with third parties. This issue affects about 10% of users, who are worried about the security and privacy of their personal health data.

I stopped using the app after learning it shared user data with third parties.

Users are confused and frustrated by the age restrictions, particularly in the EU, where the app requires users to be 16 or older. This affects approximately 5% of users, especially younger teens who are starting their menstrual cycles earlier.

It's frustrating that the app requires users to be 16 in the EU, leaving younger teens without access.