Luna - Private Period Tracker

What it does

Luna is the period tracker that actually respects your privacy. With 99% accurate predictions powered by on-device AI, your intimate health data never leaves your phone. No cloud, no sharing, no ads. Track periods, ovulation & symptoms with complete privacy.

• IM
  I made a privacy friendly and simple app to track my menstruation2024 · play.google.com · ▲732

  Hey HN, after the app I actually used to track my period wanted me to log in and save my data in the cloud, I decided to write my own. Most apps in this area are based on a subscription model and display far too much information anyway. For me, a simple calendar is enough where I can add a few notes if necessary. So that is the result of my work - a simple design and the data is only saved on the smartphone.

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  LadyLog - A period tracker2024 · ▲89

  Easy to use period tracking app that respects your privacy

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  LunaraJun 2026 · ashvara.io · ▲3

  A private period tracker that never leaves your iPhone

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  Period & Mood TrackerSep 2025 · ▲7

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  heraNov 2025 · ▲187

  track your period safely

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  Mooneva CycleMar 2026 · play.google.com · ▲2

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