Stardust Period Tracker

55 of 100 · reviews
4.8of 5 · store
108,544ratings on the App Store
500reviews read

An editorial reading of the saved reviews

A strong bet on privacy and atmosphere: the data policy is explained in detail at registration and the tone is non-judgmental. The astrological narrative is not for everyone but creates its own niche. Prediction accuracy divides users: some say it got the day right, others report being off by up to two weeks. Irregular cycles are predicted unreliably.

Screenshots

What people use it for

Those who switched from Flo due to privacy concerns and want a tracker with a warm, non-judgmental atmosphere, with a regular cycle.

What reviews praise

Transparent privacy policy explained during onboarding.
Cycle phase notifications with concrete descriptions of the current state.
The ability to share your cycle with a partner without a separate account.

What reviews complain about

Irregular cycle prediction accuracy is criticized even by users who entered three years of history, with deviations of up to two weeks.
The astrological wording of daily insights comes across as condescending to part of the audience.
The app opens unreliably during phone calls.

What users experience

1 excerpt from the breakdown. These are individual cases, not a verdict on all users.

The biggest problem they have is bc they're exactly like flow except not owned by men selling our cycle data. They track our cycle exactly like flo, using overall numbers of our entire cycle instead of our biology of each phase.