Global vs OnSiren
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Global
This application provides a software-based call system for various industries, including hospitality, healthcare, and retail. It offers features like PTT intercom, temporary calling, and location positioning to meet remote wireless communication needs.
- PTT intercom functionality
- Temporary calling system
- Location positioning
- Industry-specific solutions
- Remote wireless communication
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Global-PTT is used in catering, hotels, hospitals, retail, production workshops and other remote wireless call work needs. It has developed a software call system. The system includes software functions such as PTT intercom, temporary calling, and location positioning. Meet the needs of various industries.
OnSiren
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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 Global's every 14 months. Global's advantage is iOS requirement (13 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.
Global ships an update every 14 months, OnSiren weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Global | OnSiren |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (12 ratings) — better | — |
| Positive reviews | 42.9% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 14 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13 — better | 16.4 |
| Further details — not scored | ||
| Size | 47 MB | 124 MB |
| Age rating | 17+ | 17+ |
| Developer | GLOBAL-PTT LLC | OnSiren Limited |
In-app purchases
Global
No in-app purchases
OnSiren
No in-app purchases









