comparisons

Published by Floriva · Updated 2026-05-01 · How Floriva checks its guides

The Privacy-First Period Tracker Showdown: Floriva vs Euki vs Drip vs Periodical (2026)

The most private period trackers of 2026 compared. Floriva, Euki, Drip, and Periodical all store data on-device, here's how they differ on features, platforms, and tradeoffs.

Four period trackers keep sensitive records away from readable company databases: Floriva (iOS + Android, paid app with no free tier, optional encrypted sync), Euki (iOS + Android, free, decoy screen), Drip (Android-only, free, open source), and Periodical (Android-only, free, open source, minimal). The differences are platform support, features, pricing, and development pace.

Four period trackers have earned the right to call themselves private. Not because of privacy policies or compliance certifications. Because of architecture. Euki, Drip, and Periodical are built around device-held records. Floriva keeps core tracking local-first and uses optional encrypted sync that Floriva cannot read.

This comparison is about the differences between them, because on privacy, they're all in the same category.

The Shared Foundation

Every app in this comparison reduces the company-held record. Euki, Drip, and Periodical have no readable central records. Floriva has no readable central cycle database. This is what zero-knowledge architecture means in practice.

This puts all four apps in a different category from cloud-based trackers like Flo, Clue, Glow, Natural Cycles, or Ovia. The cloud vs local architecture comparison covers why this distinction matters.

Floriva: The Cross-Platform Option

Floriva is the only on-device tracker with both iOS and Android support and cross-device encrypted sync. If you switch between an iPhone and an Android phone, or simply want your data preserved across device upgrades, Floriva handles that without storing data on a server.

Floriva is a paid app with no free tier, making it the only paid app in this group. The closed-source code means you trust the company's claims rather than verifying them through code inspection. Active development means regular updates and feature additions.

Best for: users who need iOS support with sync, or who want the most polished experience and are willing to pay.

Euki: The Free Cross-Platform Option

Euki is backed by the International Planned Parenthood Federation. It's free, works on iOS and Android, and includes a decoy screen that shows fake content if someone opens your app. Beyond period tracking, Euki includes sexual health resources on contraception, STIs, and abortion.

No sync means no backup. Lose your phone, lose your data. Development pace is moderate, updates happen but not frequently.

Best for: users who want free, cross-platform, on-device tracking with physical device privacy (decoy screen) and broader sexual health resources.

Drip: The Verifiable Option

Drip is open-source under GPLv3. The code is on GitHub. If you want to confirm that the app doesn't phone home, send analytics, or leak data, you can read the source code. This is the highest standard of privacy assurance, you don't trust anyone, you verify.

Android-only. Minimal interface. Small volunteer development team. The app works, but it's built for privacy-first users, not mainstream consumers.

Best for: Android users who want provable, auditable privacy and don't need a polished UI or iOS support.

Periodical: The Minimal Option

Periodical is the simplest app in this comparison. Open-source, Android-only, focused entirely on basic period tracking. It does one thing: track your periods on your device. No symptom logging. No fertility features. No content.

The minimalism is a feature for some users, less code means less attack surface, and the app does exactly what it claims.

Best for: Android users who want the absolute simplest possible tracker with open-source verification.

How to Choose

The decision tree is straightforward:

iPhone user? Floriva or Euki. Drip and Periodical aren't available.

Want sync? Floriva. It's the only on-device tracker with encrypted cross-device sync.

Want free? Euki (iOS + Android), Drip (Android), or Periodical (Android).

Want verifiable code? Drip or Periodical. Both are open-source.

Want a decoy screen? Euki. No other app in this comparison offers it.

Check the complete best private period tracker apps list for context on how these compare to the broader market.

The Privacy Bottom Line

All four apps are private by architecture. The competition between them is about everything except privacy: cost, platform, features, polish, and development sustainability. That is the right kind of competition for a period tracker. It is about UX, not about who leaks less of your reproductive health data.