App Privacy Checker

Pick any of 126 period, pregnancy, fitness and wellbeing apps to see what its own privacy policy says about selling your data, advertising, accounts, where your data is kept and how to delete it. Of the 84 apps whose policies address selling personal data, 59 say outright that they do not sell it. Every answer shows the passage it comes from.

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Often checked

Pick an app to see what its own privacy policy says, with the passage each answer comes from.

What the 126 apps say

  • 59 of the 84 apps that address selling personal data say outright that they do not sell it. 16 more say they do not sell it for money, and 9 say they may sell it. #
  • 79 of the 93 apps that address advertising say some data is used or shared for advertising. #
  • 22 of the 51 apps that say whether an account is needed can be used without one, or make it optional. #
  • 19 of the 80 apps that say where data is kept store it on your device or offer a mode that does. #

Counts are of what each company states, last checked . The full table and the method are on how the listed apps handle your data.

Period trackers that say they do not sell your data

8 period and cycle apps state this outright in their own policy.

Lists built on this data

Every app in the checker

Each app with what its policy says about selling personal data. Open a listing for all its sourced facts.

How it works

For each app we read the privacy policy and help pages the company publishes, and record five things: whether it says it sells personal data, whether data is used or shared for advertising, whether you need an account, where your data is kept, and how you can delete it.

Each answer is stored with the exact passage it rests on, a link to the page it came from and the date we read it. The checker shows all three, so you can read the company's own words and judge for yourself.

Where a policy is silent on a point, the checker says "not stated". Where we have not sourced a fact yet, it says so. Nothing is guessed or filled in.

What it cannot tell you

  • It reports what each company says, not what its app does. It is a summary of published policies, not a technical audit or a legal opinion.
  • Policies change. Each answer carries the date it was checked; follow the source link if that date is old or the answer matters to you.
  • Words like "sell" have narrow legal meanings. A company that says it does not sell data may still share it with service providers or advertising partners, which is why advertising is shown as its own line.
  • Only apps listed on HerFound are covered.

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Common questions

Of the 17 period and cycle apps in this checker, 8 say outright in their own policies that they do not sell personal data: Clue, drip, Euki, Femometer, Mira, Premom, Read Your Body and Stardust. This is what each company states, not an audit of what its app does.

Flo says it does not sell personal data for money. It says some data is used or shared for advertising. This comes from Flo's own pages (flo.health), checked on Nov 11, 2026.

Clue says it does not sell personal data. It says some data is used or shared for advertising. This comes from Clue's own pages (helloclue.com), checked on Nov 11, 2026.

4 period and cycle apps in this checker say you can use them without an account, or make the account optional: Cycles, Euki, Flo and Read Your Body.

5 period and cycle apps in this checker say they keep your data on your device, or offer a mode that does: Cycles, drip, Euki, Glow and Read Your Body. When data is kept only on your device, the company does not hold a copy of it.

To check if a period app sells your data, read the "sale" or "sharing" section of its privacy policy. This checker does that reading for the apps listed on HerFound and shows the passage, the source page and the date it was checked.

No. The checker reports what each company states in its own published policy. It does not test the app's network traffic or verify that the company does what it says.

"Not stated" means the company's official pages do not address that point. It is not a yes or a no. If the point matters to you, ask the company directly.

The checker covers 126 apps listed on HerFound, most recently checked on Nov 14, 2026. An app appears once at least one of the five privacy points has been sourced from its own pages.

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