Onami Radio, a simple radio app for iOS
Clean radio player, but TuneIn and Radio Garden already dominate this space.

Offline radiation map is solid, but multipeer chat feature is coming-soon vaporware.
Emergency preparedness users, disaster planners, individuals in radiation-prone areas
Red Cross First Aid app · Ready.gov mobile app
Core Feature(coming soon): offline chat with nearby iOS devices using Multipeer Connectivity Framework.
1. Disaster Alerts: API from authorities like NOAA + FEMA IPAWS 2. Live Radiation Map: EPA RadNet, 140 official U.S monitoring stations network, all 50 states 3. Offline-first: Built to function when there's no internet
Clean radio player, but TuneIn and Radio Garden already dominate this space.
Same-origin iframe trick keeps dark mode alive across HN navigations without extensions.
Sensationalist conflict tracker dressed up as a serious tool; zero technical innovation.
Free VIN decoder, but Carfax, NHTSA API, and CarsArrive already own this space.
Useful passive monitoring, but AirNow and PurpleAir already cover this for free.
Fun survival game with AI judge, but it's another AI wrapper in a crowded category.