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Show HN: My first published app—track contraception ring cycle My wife said she wished there was a big widget on her phone that told her when to take her Nuvaring out. So I vibe coded one. What other problems can it solve? https://ift.tt/5WxbSqV November 25, 2025, at 12:43AM Lunella – Contraceptive Ring Tracker  Overview App Name: Lunella Developer: Aaron Edell Platform: iOS (iPhone, iPad, Mac) Category: Health & Lifestyle Core Purpose: Helps users track NuvaRing® or other 28-day contraceptive ring cycles with a discreet, privacy-first widget that reduces mental load and ensures confidence in cycle management.  Key Features (Expanded) At-a-glance IN/OUT widget Large, clear home screen widget showing whether the ring is currently in or out. Designed for quick reassurance without opening the app. Automatic cycle tracking Default cycle: 21 days in, 7 days out. Smart notifications for removal and reinsertion. Handles irregular starts or skipped cycles gracefully. Privacy...

  Show HN Spotlight: AI Is a DJ—Set the Mood and Let the AI Mix Music for You Source: Originally posted on Hacker News (Show HN) HN Timestamp: November 12, 2025 – 06:01 AM Tool Link: (as shared on HN) loopmaster.xyz/editor?aidj  Introduction A new “Show HN” project is gaining attention—AI Is a DJ , a clever web tool that lets you choose a mood or genre and instantly generates a full DJ-style music mix. No experience, no software, and no equipment needed. Whether you want background music for work, a custom vibe for your YouTube videos, or something unique for your next event, this tool uses advanced AI to blend tracks seamlessly and deliver a fully personalized mix.  What This AI DJ Tool Does The concept is simple but powerful: You set the mood, style, or genre , and the AI automatically: Picks suitable tracks Matches tempo and rhythm Transitions between songs Creates a live-style DJ mix Lets you adjust settings in real time Think of it as having your own digital...