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Published by Floriva · Updated 2026-03-31 · How Floriva checks its guides
Best Period Tracker Apps Post-Roe: What Protects You
After Dobbs, period tracker data became relevant in abortion-restriction states. These apps minimize exposure via on-device storage.
After Roe was overturned in 2022, period tracker data became potentially relevant in states with abortion restrictions. The apps that minimize legal exposure are those that avoid readable company databases. Floriva keeps core tracking local-first. Euki and Drip store data on-device. Server-based apps like Flo and Clue keep records a company can be ordered to produce.
What Changed After Dobbs
The Supreme Court's 2022 Dobbs v. Jackson Women's Health Organization decision eliminated the federal right to abortion established by Roe v. Wade. After the decision, abortion access began changing state by state, with some states banning most abortions and others adding restrictions of varying scope.
The legal change raised a specific digital privacy question: could data from period tracker apps become relevant in criminal or civil legal proceedings in states with abortion restrictions
The answer depends on what data exists, where it lives, and whether it can be compelled from the company that holds it.
The Data That Could Be Relevant
Period tracker apps collect cycle dates, which can indicate the last menstrual period. They often collect symptom data, which can include information relevant to pregnancy. Some collect location data. Some are linked to email accounts that can be accessed through separate legal processes.
The most direct exposure is the cycle date data itself. If an app stores that data on a server, a subpoena to the company can obtain it. This is not a theoretical scenario. Health apps have received legal requests for user data, and companies have complied when court orders were valid.
The Architecture-Based Response
The simplest response to this concern is to use an app that reduces what the company can produce because it does not keep a readable cycle database. On-device trackers with no server component, no account requirement, and no third-party analytics SDKs have no data to hand over.
This is why Floriva, Euki, and Drip are the apps most relevant to this concern. The protection is not a company promise. It is a technical fact about where the data lives.
A Note on Proportionality
This piece is about risk and architecture. Most users who switch to an on-device tracker are not doing so because they face an imminent legal proceeding. They are making a precautionary choice because the potential harm is asymmetric: the cost of using an on-device tracker is some feature inconvenience, while the cost of a data exposure in the wrong context could be significant.
If you are concerned about your specific legal situation, consult an attorney familiar with your state's laws. Digital privacy advocates including the EFF and ACLU have published guides on reproductive health and digital safety.
Cited signals
- Flo Health paid a $59.5M combined settlement for sharing reproductive health data without user consent Reuters / FTC, September 2025
- Euki is free with no subscription, the best free on-device option for post-Roe privacy Ibis Reproductive Health (Euki developer)
- Floriva is a paid app with no free tier, on-device storage for iOS and Android users who need optional encrypted cross-device sync Floriva pricing
Period trackers ranked by legal data exposure risk
| App | Data Location | Account Required | Can Be Subpoenaed | Price |
|---|---|---|---|---|
| Floriva | Your device | No | No | Paid app (no free tier) |
| Paper/Notebook | Physical | N/A | Physical search only | Free |
| Euki | Your device | No | No | Free |
| Drip | Your device (Android) | No | No | Free |
| Clue | Clue servers | Yes | Yes | Free / $9.99/mo |
| Natural Cycles | NC servers | Yes | Yes | $12.99/mo |
| Flo | Flo servers | Yes | Yes | Free / $4.99/mo |
How the options compare, at a glance.
-
Floriva
Paid app (no free tier)
Local-first period tracker with no readable central cycle database. iOS and Android.
Best structural protection for users in states where reproductive data carries legal risk. No server means no subpoena.
Pros
- Core tracking stays local
- No account, no identity linkage
- No third-party analytics
- iOS and Android
Cons
- Paid subscription
- No automatic cloud backup
-
Euki
Free
Nonprofit-developed reproductive health app with on-device storage. Covers periods plus broader reproductive health topics. Free.
Developed specifically with reproductive health legal safety as a design criterion. Nonprofit structure and on-device storage align with that goal.
Pros
- On-device, not subpoenable
- No account required
- Nonprofit developer
- Free
- Designed with reproductive health legal safety in mind
Cons
- Limited feature set
- No cross-device sync
-
Drip
Free
Open source Android period tracker. No accounts, no server, no data collection. Free.
Best for Android users who want verifiable rather than promised protection.
Pros
- Open source, privacy independently verifiable
- Android only
- No data collection
- Free
Cons
- Android only
- Minimal features
-
Paper/Notebook
Free
Analog cycle tracking. Zero digital footprint. Not subpoenable. No app required.
Zero digital exposure. For users in the highest-risk situations, analog tracking eliminates digital evidence entirely.
Pros
- No digital footprint
- Not subpoenable
- Free
- Not dependent on a company's continued operation
Cons
- No predictions or reminders
- Requires manual calculation
- Can be physically accessed
-
Clue
Free / $9.99/mo
GDPR-compliant, Berlin-based, no documented violations. Better than Flo but still server-based.
Better than Flo. Not structurally protected. Server-based data can be accessed via legal process.
Pros
- Clean enforcement record
- GDPR jurisdiction
- Free tier
Cons
- Server-based, legally accessible via court order
- Account required
Quick answers to the obvious questions.
Can period tracker data be used in criminal cases
In states with abortion restrictions, prosecutors have sought digital evidence including period tracking data in reproductive health cases. Apps that store data on company servers can be compelled to produce that data via subpoena. Apps that store data only on your device is less exposed to company-side legal requests when there is no readable server record. The American Civil Liberties Union has published guidance on digital privacy for reproductive health.
Which period trackers are safe in states with abortion restrictions
The safest options in states with abortion restrictions are apps that never create a server-side record of your cycle data. Floriva, Euki, and Drip all use on-device storage with no account requirement. There is no company server holding your data, so there is nothing to subpoena. Analog tracking in a paper notebook has zero digital exposure.
What should I do if I live in a state with abortion restrictions
Consider switching to an on-device period tracker that requires no account. Delete your current app account (not just uninstall) to request removal of your stored data. Consider what other apps on your phone might be relevant: location history, search history, and messaging apps can all be sources of reproductive health information. The Electronic Frontier Foundation has published a guide on digital security for reproductive health.
Questions people ask before they switch.
Is period tracking data actually used in legal cases
There have been cases in the US where prosecutors sought digital data including location history and messaging in reproductive health cases. Period tracker data specifically has been discussed in legal and privacy advocacy communities as a potential source. The concern is not hypothetical, though documented use of period app data in specific prosecutions is limited as of early 2026. The precautionary argument is that using on-device apps eliminates the risk before it becomes relevant.
Does deleting the Flo app delete my data
No. Uninstalling a period app removes it from your phone but leaves your account and data on the company's servers. To remove your data from Flo's servers, you must delete your account. In Flo, go to Settings, then Account, then Delete Account. Under GDPR (EU) and CCPA (California), you have the right to request data deletion. Even after account deletion, Flo's policy states backups may retain data for up to 90 days.