# OnSiren — Intelligence for the Frontline

> Intelligence for the Frontline (iPhone/iPad app by OnSiren Limited.)

- Source: https://appshunter.io/ios/app/onsiren/id6795977065 (this page in markdown: same URL + `.md`)
- Developer: [OnSiren Limited](https://appshunter.io/developer/6795174860)
- Category: Social Networking, Utilities
- Price: Free
- Age rating: 17+
- Requires: iOS 16.4 · 124 MB
- Languages: American English
- Released: 2026-09-18
- Data updated: 2026-10-13
- User reviews in markdown: https://appshunter.io/ios/app/onsiren/id6795977065/reviews.md

## What is OnSiren?

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.


## Version history (last 4 releases)

### 0.5.0 — 2026-10-09

Radio Check: schedules, follow-up checks and spoken answers
Ranks: new levels and badges, share your rank to chat
PTT: live translation, captions and clearer audio
Zone Chat: new Loud Mode
Alerts: shows approval status, photo stamps
Channels: search, filters and a smoother map
Alpha One: improvements to the brief button and Android back
Battery: location only runs while the app is open
Fixes: freeze after locking the phone mid-alert, plus captions and transcripts

### 0.4.1 — 2026-10-02

What's new in OnSiren 0.4.1
• Reply to messages in zone chat
• Channel media: photos, voice notes and messages
• Search zone chat and jump to any message
• New photo viewer with zoom, swipe and filmstrip
• Full officer list for each channel
• Brief cards now show when you're all caught up
• Top weather hazard shown on the brief
• Verification reminder banner
• Paste verification codes
• Scrollable live captions
• Callsign changes update across chat
• Bug fixes and performance improvements

### 0.4 — 2026-09-25

New Alpha One brief: your channel brief is now a set of quick cards covering incidents, weather, crime, events, transport and more. Tap Summarise for a one-paragraph recap.
Refreshed map: a new look, a clearer top panel with the threat level and your area's crime rate, transport and emergency numbers. You can also get walking directions to nearby places.
Better radio: push-to-talk connects faster and sounds louder. Bluetooth headsets work more reliably and live captions show up quicker.
Photos in channel chat: you can now send a photo to your channel.
Easier channel switching: find nearby, recent and favourite channels, and star the ones you use most.
More notification controls: choose which alerts reach your phone.
Radio on/off in one tap, plus lots of bug fixes and speed improvements.

### 0.3 — 2026-09-18

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-13.*