FSI 2026 vs OnSiren
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FSI 2026
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The official app for fire sprinkler international 2026 gives you seamless access to Social feed, Connection Center, Swipe, Exhibitors, Chat, and Attendees functionality to keep you connected and engaged throughout the event.
OnSiren
This platform provides real-time shared awareness and threat intelligence for UK security officers. It briefs users on local events, allows for quick incident reporting, and offers push-to-talk communication with nearby colleagues. Membership requires a valid SIA license.
- Real-time threat intelligence briefings
- Quick incident reporting with location
- Push-to-talk communication
- Shared awareness network for security officers
- AI-powered local event updates
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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.
Screenshots
Verdict
The clearest difference is update cadence: OnSiren at weekly against FSI 2026's every 6 months. FSI 2026's advantage is iOS requirement (12.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FSI 2026 ships an update every 6 months, OnSiren weekly. The most recent releases landed on October 28, 2026 and November 6, 2026 respectively.
| Parameter | FSI 2026 | OnSiren |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 53.3% of reviews |
| Update frequency | Every 6 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 74 MB | 128 MB |
| Age rating | 17+ | 17+ |
| Developer | European Fire Sprinkler Network | OnSiren Limited |
In-app purchases
FSI 2026
No in-app purchases
OnSiren
No in-app purchases
