Sera Period & Cycle tracker

What it does

Most period apps feel invasive — ads, logins, and paywalls everywhere. My Sera is different: private, beautifully designed, and built by a couple to help women and partners connect better. No logins, no subscriptions, no tracking — just elegant insights, simple cycle and intimacy tracking, and total privacy. Free, calm, and created to bring real understanding, not algorithms.

• 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.

• 
  LadyLog - A period tracker2024 · ▲89

  Easy to use period tracking app that respects your privacy

• IB
  I built a privacy-first period tracker but it seems nobody cares2025 · ▲10

  There’s something quietly unsettling about how normal it's become to hand over our most personal data to apps that barely deserve our trust. My wife once showed me a notification she got from her period tracking app. At first, it seemed like a simple reminder. But then came the ads. Not long after, she started getting eerily specific suggestions on other platforms. Things she hadn’t searched for. Things that felt too close. Somewhere, her cycle had been turned into a data point. That bothered me more than I can explain. These apps promise helpful insights. But in return, they take so much.…

• 
  Luna - Private Period TrackerNov 2025 · apps.apple.com · ▲11

  Your period data never leaves your phone. 100% private.

• 
  Period & Mood TrackerSep 2025 · ▲7

  Privacy first period tracker

• 
  DuoSyncMar 2026 · duosync.io · ▲7

  Period tracking for partners. Understand her cycle.

• TL
  The load-bearing vocabulary of Claude▲703

  Life & fun · 11d ago · louisabraham.github.io

• 
  Articos▲390

  Launch with confidence, not gut instinct

  Life & fun · 12d ago · articos.com

• 
  Nex▲350

  Claude Cowork for high-volume GTM workflows

  Life & fun · 4d ago · nex.ai

• 
  iPhone app takes simultaneous images from 2 lenses, fuses into 1 photo▲329

  Photosynthesis fires two of your iPhone

  Life & fun · 29d ago · photosynthesis.camera

• CC
  Creatium Coach▲319

  Your multimedia mentor that takes you from mid to great

  Life & fun · 11d ago · producthunt.creatium.info

• 
  SoloUno▲310

  Take control of hair pulling, nail biting & skin picking

  Life & fun · 29d ago · solouno.io

• 
  Guideflow▲1,341

  The AI demo automation platform for SaaS

  AI · Nov 2025 · guideflow.com

• IB
  I built a synth for my daughter▲1,278

  Life & fun · Nov 2025 · bitsnpieces.dev

• 
  Welltory▲1,030

  Stop energy drain

  Work · Nov 2025 · welltory.com

• 
  Gemini 3▲1,007

  Bring any idea to life with multimodal capabilities

  AI · Nov 2025 · blog.google

• 
  TrustMRR▲836

  The database of verified startup revenues

  Growth · Nov 2025 · trustmrr.com

• B
  Boing▲782

  Life & fun · Nov 2025 · boing.greg.technology