Kalena is a privacy-first period tracker built around a single rule: your health data never leaves your phone. No account. No analytics. No ads.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- iPhone
- Android
Ireland
EU



Kalena is a privacy-first period tracker built around a single rule: your health data never leaves your phone. No account. No analytics. No ads.



Cycle phase awareness tool for male partners, offering daily battery-style signals, total offline privacy, no account, no AI, requires just two dates and works on iOS and Android.



Cycle tracking supporting every life stage, AES-256 device encryption, EU-only hosting, doctor-ready reports, privacy-first options, and no ads shown.



Otty is a period and cycle tracker built for couples that works just as well solo. It maps the month into simple phases with plain names like Storm (Period) on one shared calendar, and each day it offers one warm, specific suggestion for what helps with mood, energy, and support...


