Down4 vs OnSiren

Down4 is a social discovery app for real life activities. Whether you want to play basketball, go for a run, tennis, games night, or do something spontaneous, Down4 helps you find people who are down to do it right now. No endless chatting. No awkward planning. Just real people, real activities, happening in real life. How it works • Post what you’re down to do • Discover activities happening near you • Swipe to join or host • Meet up and go Why Down4 • Built for spontaneous plans, not long threads • Designed around activities, not profiles • Simple, fast, and pressure-free • Privacy-first and location-aware by choice Down4 is for people who prefer doing things over talking about them. Download now and start connecting better.

OnSiren is a real-time shared awareness and threat intelligence platform for the UK's SIA-licensed security officers. YOUR LOCAL THREAT INTELLIGENCE Alpha One, the AI in the system, briefs you on what's happening around you: what's changed, what to look out for. And it warns you the moment things change. REPORT IN SECONDS See something worth knowing? One press reports it to the officers around you, with the location. Everybody who needs to know, knows at once. A RADIO IN YOUR POCKET Push-to-talk with the officers nearby. Press and hold to speak. Hear what's said around you, live. BUILT FOR LICENSED PROFESSIONALS A network for security officers. You need a valid SIA licence to join. Privacy: onsiren.com/privacy · Terms: onsiren.com/terms What's New: Get briefed on what's happening around you. Report incidents in seconds. Push-to-talk with the officers nearby.