GF Tracker

What it does

GF Tracker helps men track their partner’s cycle with simple UI. Just enter period dates to get predictions for upcoming period, ovulation, mood patterns, and energy shifts. No clutter - just clear guidance for men.

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  LadyLog - A period tracker2024 · ▲89

  Easy to use period tracking app that respects your 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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  heraNov 2025 · ▲187

  track your period safely

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  DuoSyncMar 2026 · duosync.io · ▲7

  Period tracking for partners. Understand her cycle.

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  Lotus2017 · ▲92

  A calendar to help women’s track their menstrual cycle

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  Estri HealthJan 2026 · periodstracker.com · ▲3

  Track your menstrual and ovulation cycles with smart AI

• TL
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• CC
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• GP
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• JG
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  Hi everyone! My name's Luke and I made the original Jmail here alongside Riley Walz. We had a ton of friends collaborate on building out more of the app suite last night in lieue of DOJ's "Epstein files" release. Please AMA!

  Life & fun · Dec 2025 · jmail.world

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• 2G
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  Community, All the HN belong to you. This is an archive of hacker news that fits in your browser. When I made HN Made of Primes I realized I could probably do this offline sqlite/wasm thing with the whole GBs of archive. The whole dataset. So I tried it, and this is it. Have Hacker News on your device. Go to this repo (https://github.com/DOSAYGO-STUDIO/HackerBook): you can download it. Big Query -> ETL -> npx serve docs - that's it. 20 years of HN arguments and beauty, can be yours forever. So they'll never die. Ever. It's the unkillable static archive of HN and it's…

  Dev tools · Dec 2025 · hackerbook.dosaygo.com

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