TLDR
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 with on-device storage and no server component. Floriva, Euki, and Drip cannot be subpoenaed for your data because they never have it. Server-based apps like Flo and Clue can be.
| App | Data Location | Account Required | Can Be Subpoenaed | Price |
|---|---|---|---|---|
| Paper/Notebook | Physical | N/A | Physical search only | Free |
| Floriva | Your device | No | No | $2.99/mo |
| 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 |
Floriva
On-device period tracker with no server component. Your data never leaves your device. $2.99/mo, iOS and Android.
Pros
- ✓ On-device storage, not subpoenable
- ✓ No account, no identity linkage
- ✓ No third-party analytics
- ✓ iOS and Android
Cons
- × Paid subscription
- × No automatic cloud backup
Pricing: $2.99/mo
Verdict: Best structural protection for users in states where reproductive data carries legal risk. No server means no subpoena.
Euki
Nonprofit-developed reproductive health app with on-device storage. Covers periods plus broader reproductive health topics. Free.
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
Pricing: Free
Verdict: Developed specifically with reproductive health legal safety as a design criterion. Nonprofit structure and on-device storage align with that goal.
Drip
Open source Android period tracker. No accounts, no server, no data collection. Free.
Pros
- ✓ Open source, privacy independently verifiable
- ✓ Android only
- ✓ No data collection
- ✓ Free
Cons
- × Android only
- × Minimal features
Pricing: Free
Verdict: Best for Android users who want verifiable rather than promised protection.
Paper/Notebook
Analog cycle tracking. Zero digital footprint. Not subpoenable. No app required.
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
Pricing: Free
Verdict: Zero digital exposure. For users in the highest-risk situations, analog tracking eliminates digital evidence entirely.
Clue
GDPR-compliant, Berlin-based, no documented violations. Better than Flo but still server-based.
Pros
- ✓ Clean enforcement record
- ✓ GDPR jurisdiction
- ✓ Free tier
Cons
- × Server-based, legally accessible via court order
- × Account required
Pricing: Free / $9.99/mo
Verdict: Better than Flo. Not structurally protected. Server-based data can be accessed via legal process.
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. Following the decision, 13 states implemented near-total abortion bans, and additional states enacted 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 cannot be subpoenaed because it never has your data. 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.
Q&A
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 cannot be subpoenaed for that data because there is nothing on a server to hand over. The American Civil Liberties Union has published guidance on digital privacy for reproductive health.
Q&A
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.
Q&A
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.
Source: Reuters / FTC, September 2025
Source: Floriva pricing
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