★★★★★
Average rating on the App Store. Apple doesn't publish how many ratings each star has.
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A Note from the Developer "When I looked for a way to track my cycle, I was shocked. Most apps required an account and 'anonymized' data sharing. As an engineer and a mom of two, I know that once your data is on someone else's server, you lose control. I didn't want my health history to be a product for sale. I wanted a digital version of a paper notebook—something only I could see. That’s why I built this tracker to be 'Local-Only.' Your phone is the vault, and your data lives and dies on your device."