Euki Review (2026)
The most private period tracking app available — local data, no account, free.
9.3 / 10
Euki is the answer to the question “is there a period app I can actually trust?” Local data, no account, no ads, free. It’s our #1 in the cycle tracking rankings because privacy matters most in this category.
The good and the bad
What we love
- No account required
- Local-only data storage
- No ads, no tracking
- Free and nonprofit-funded
What we don't
- No cross-device sync (by design)
Pricing & plans
Free
$0
Full app — funded by a reproductive health nonprofit
Recommendations
Use Euki if you…
- Privacy is non-negotiable
- Want a politically-aware option
Skip Euki if you…
- Need sync across multiple devices
Best alternatives to Euki
Frequently asked questions
Is Euki really free?
Yes. It's funded by Women Help Women, a reproductive health nonprofit.
Why no cloud sync?
Deliberately — local-only data eliminates the risk of subpoena or breach. The trade-off is no cross-device sync.